./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Ackermann02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Ackermann02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20c02b81d1b1bc312ccc75d6e9b31c6252d69e8a6e2560afe3a2a95a3e53102a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:03:41,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:03:41,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:03:41,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:03:41,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:03:41,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:03:41,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:03:41,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:03:41,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:03:41,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:03:41,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:03:41,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:03:41,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:03:41,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:03:41,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:03:41,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:03:41,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:03:41,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:03:41,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:03:41,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:03:41,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:03:41,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:03:41,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:03:41,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:03:41,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:03:41,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:03:41,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:03:41,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:03:41,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:03:41,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:03:41,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:03:41,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:03:41,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:03:41,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:03:41,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:03:41,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:03:41,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:03:41,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:03:41,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:03:41,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:03:41,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:03:41,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 08:03:41,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:03:41,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:03:41,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:03:41,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:03:41,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:03:41,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:03:41,641 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:03:41,641 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:03:41,641 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:03:41,642 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:03:41,642 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:03:41,642 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:03:41,642 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:03:41,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:03:41,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:03:41,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:03:41,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:03:41,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:03:41,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:03:41,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:03:41,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:03:41,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:03:41,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:03:41,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:03:41,645 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:03:41,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:03:41,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:03:41,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:03:41,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:03:41,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:03:41,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:03:41,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:03:41,648 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:03:41,648 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20c02b81d1b1bc312ccc75d6e9b31c6252d69e8a6e2560afe3a2a95a3e53102a [2021-11-07 08:03:41,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:03:41,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:03:42,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:03:42,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:03:42,005 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:03:42,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/recursive/Ackermann02.c [2021-11-07 08:03:42,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/data/7d32b41a3/729b0bca13a446468b3b616738074ef2/FLAGa1130e29d [2021-11-07 08:03:42,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:03:42,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/sv-benchmarks/c/recursive/Ackermann02.c [2021-11-07 08:03:42,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/data/7d32b41a3/729b0bca13a446468b3b616738074ef2/FLAGa1130e29d [2021-11-07 08:03:43,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/data/7d32b41a3/729b0bca13a446468b3b616738074ef2 [2021-11-07 08:03:43,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:03:43,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:03:43,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:03:43,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:03:43,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:03:43,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f5d288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43, skipping insertion in model container [2021-11-07 08:03:43,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:03:43,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:03:43,328 WARN L228 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_329574a6-2578-4d39-8afb-cd655ec0bee5/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-11-07 08:03:43,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:03:43,341 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:03:43,357 WARN L228 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_329574a6-2578-4d39-8afb-cd655ec0bee5/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-11-07 08:03:43,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:03:43,372 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:03:43,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43 WrapperNode [2021-11-07 08:03:43,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:03:43,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:03:43,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:03:43,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:03:43,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:03:43,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:03:43,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:03:43,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:03:43,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:03:43,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:03:43,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:03:43,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:03:43,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (1/1) ... [2021-11-07 08:03:43,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:43,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:43,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:43,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:03:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:03:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:03:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-11-07 08:03:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-11-07 08:03:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:03:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:03:43,861 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:03:43,862 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 08:03:43,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:03:43 BoogieIcfgContainer [2021-11-07 08:03:43,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:03:43,866 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:03:43,866 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:03:43,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:03:43,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:03:43,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:03:43" (1/3) ... [2021-11-07 08:03:43,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@164ab37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:03:43, skipping insertion in model container [2021-11-07 08:03:43,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:03:43,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:03:43" (2/3) ... [2021-11-07 08:03:43,905 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@164ab37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:03:43, skipping insertion in model container [2021-11-07 08:03:43,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:03:43,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:03:43" (3/3) ... [2021-11-07 08:03:43,907 INFO L389 chiAutomizerObserver]: Analyzing ICFG Ackermann02.c [2021-11-07 08:03:44,009 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:03:44,010 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:03:44,010 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:03:44,010 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:03:44,010 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:03:44,010 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:03:44,011 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:03:44,011 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:03:44,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 08:03:44,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:03:44,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:03:44,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:03:44,094 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-07 08:03:44,095 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:03:44,095 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:03:44,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 08:03:44,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:03:44,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:03:44,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:03:44,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-07 08:03:44,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:03:44,109 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 9#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 8#L29true assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 22#L35true assume !(main_~n~0 < 0 || main_~n~0 > 23); 16#L41true call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 6#ackermannENTRYtrue [2021-11-07 08:03:44,109 INFO L793 eck$LassoCheckResult]: Loop: 6#ackermannENTRYtrue ~m := #in~m;~n := #in~n; 13#L17true assume !(0 == ~m); 14#L20true assume 0 == ~n; 17#L21true call #t~ret7 := ackermann(~m - 1, 1);< 6#ackermannENTRYtrue [2021-11-07 08:03:44,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:44,117 INFO L85 PathProgramCache]: Analyzing trace with hash 28695872, now seen corresponding path program 1 times [2021-11-07 08:03:44,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:44,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788545200] [2021-11-07 08:03:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:44,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:44,301 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:44,357 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:44,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1697199, now seen corresponding path program 1 times [2021-11-07 08:03:44,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:44,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800467601] [2021-11-07 08:03:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:44,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:44,370 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:44,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:44,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:44,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1292962670, now seen corresponding path program 1 times [2021-11-07 08:03:44,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:44,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083640318] [2021-11-07 08:03:44,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:44,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:44,418 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:44,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:44,669 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:03:44,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:03:44,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:03:44,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:03:44,671 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:03:44,671 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:44,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:03:44,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:03:44,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-11-07 08:03:44,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:03:44,672 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:03:44,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:44,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:03:44,812 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:03:44,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:44,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:44,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:44,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:44,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:44,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 08:03:44,850 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:44,850 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:44,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:44,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:44,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:44,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:44,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 08:03:44,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:44,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:44,921 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:44,921 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:44,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:44,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:44,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:44,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:44,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:44,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:44,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 08:03:45,007 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:45,007 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:45,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-07 08:03:45,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 08:03:45,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:45,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:45,054 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:45,054 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:45,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-07 08:03:45,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,081 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:45,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:45,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 08:03:45,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:45,093 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:45,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:45,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,118 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 08:03:45,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:45,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:45,151 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:45,151 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:45,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:45,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 08:03:45,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:45,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:45,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:45,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 08:03:45,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:03:45,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:45,299 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:03:45,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-07 08:03:45,323 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:03:45,323 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:03:45,323 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:03:45,323 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:03:45,323 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:03:45,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:03:45,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:03:45,324 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-11-07 08:03:45,324 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:03:45,324 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:03:45,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:45,492 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:03:45,498 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:03:45,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,507 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:45,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 08:03:45,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:45,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:45,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:45,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:45,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:45,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:45,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:45,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:45,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:45,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,591 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 08:03:45,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:45,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:45,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:45,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:45,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:45,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:45,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:45,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:45,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:45,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:45,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,638 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 08:03:45,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:45,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:45,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:45,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:45,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:45,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:45,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:45,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:45,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:45,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-07 08:03:45,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,683 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 08:03:45,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:45,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:45,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:45,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:45,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:45,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:45,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:45,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:45,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:45,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:45,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,742 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 08:03:45,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:45,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:45,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:45,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:45,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:45,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:45,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:45,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:45,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:45,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-07 08:03:45,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,793 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 08:03:45,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:45,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:45,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:45,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:45,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:45,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:45,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:45,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:45,835 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:03:45,852 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 08:03:45,852 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 08:03:45,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:45,860 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:45,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 08:03:45,862 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:03:45,862 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 08:03:45,863 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:03:45,863 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = -2*ackermann_#in~n + 1 Supporting invariants [] [2021-11-07 08:03:45,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:45,889 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 08:03:45,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:45,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 08:03:45,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:46,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 08:03:46,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:03:46,078 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-07 08:03:46,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:46,221 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 65 transitions. Complement of second has 12 states. [2021-11-07 08:03:46,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-07 08:03:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-07 08:03:46,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-07 08:03:46,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:46,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-07 08:03:46,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:46,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 8 letters. [2021-11-07 08:03:46,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:46,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2021-11-07 08:03:46,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:03:46,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 29 states and 37 transitions. [2021-11-07 08:03:46,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-07 08:03:46,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-11-07 08:03:46,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-11-07 08:03:46,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:03:46,264 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-07 08:03:46,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-11-07 08:03:46,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2021-11-07 08:03:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-07 08:03:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-07 08:03:46,298 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-07 08:03:46,299 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-07 08:03:46,299 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 08:03:46,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-11-07 08:03:46,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:03:46,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:03:46,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:03:46,301 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:03:46,301 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:03:46,301 INFO L791 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 134#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 146#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 147#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 136#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 135#ackermannENTRY ~m := #in~m;~n := #in~n; 138#L17 assume !(0 == ~m); 151#L20 assume !(0 == ~n); 142#L23 [2021-11-07 08:03:46,301 INFO L793 eck$LassoCheckResult]: Loop: 142#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 150#ackermannENTRY ~m := #in~m;~n := #in~n; 153#L17 assume !(0 == ~m); 154#L20 assume !(0 == ~n); 142#L23 [2021-11-07 08:03:46,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:46,303 INFO L85 PathProgramCache]: Analyzing trace with hash 180255807, now seen corresponding path program 1 times [2021-11-07 08:03:46,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:46,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498316282] [2021-11-07 08:03:46,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:46,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:46,338 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:46,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:46,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:46,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 1 times [2021-11-07 08:03:46,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:46,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338415593] [2021-11-07 08:03:46,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:46,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:46,396 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:46,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:46,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:46,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046546, now seen corresponding path program 1 times [2021-11-07 08:03:46,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:46,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582941288] [2021-11-07 08:03:46,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:46,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:46,439 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:46,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:46,562 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:03:46,562 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:03:46,562 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:03:46,562 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:03:46,563 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:03:46,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:46,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:03:46,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:03:46,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Loop [2021-11-07 08:03:46,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:03:46,563 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:03:46,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:46,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:46,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:46,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:46,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:46,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:46,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:46,723 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:03:46,723 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:03:46,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:46,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:46,739 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:46,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:46,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:46,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 08:03:46,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:46,776 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:46,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:46,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:46,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:46,820 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 08:03:46,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:46,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:46,855 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:46,856 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:46,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:46,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:46,881 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:46,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 08:03:46,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:46,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:46,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:46,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:46,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:46,941 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:46,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 08:03:46,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:03:46,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:51,224 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:51,224 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-1, ackermann_#in~n=1} Honda state: {ackermann_~n=-1, ackermann_#in~n=1} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=7}, {ackermann_~n=0, ackermann_#in~n=-8}, {ackermann_~n=0, ackermann_#in~n=-2}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-11-07 08:03:51,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:51,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:51,262 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:51,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 08:03:51,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:51,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:51,279 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:51,279 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:51,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:51,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:51,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:51,303 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:51,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-07 08:03:51,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:51,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:51,326 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:51,327 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:51,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:51,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:51,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:51,350 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:51,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-07 08:03:51,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:51,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:51,373 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:51,373 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:51,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:52,305 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:03:52,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:03:52,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:03:52,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:03:52,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:03:52,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:52,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:03:52,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:03:52,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Lasso [2021-11-07 08:03:52,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:03:52,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:03:52,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:52,853 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:03:52,853 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:03:52,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:52,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:52,855 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:52,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:52,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:52,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:52,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:52,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:52,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:52,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:52,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-07 08:03:52,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:52,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:52,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:52,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:52,939 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:52,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:52,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:52,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:52,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:52,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:52,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:52,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:52,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:52,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-07 08:03:52,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:53,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,013 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-07 08:03:53,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:53,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:53,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:53,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:53,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:53,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,086 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-07 08:03:53,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:53,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:53,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:53,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:53,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-07 08:03:53,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,153 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-07 08:03:53,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:53,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:53,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:53,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:53,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-07 08:03:53,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,198 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-07 08:03:53,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:53,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:53,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:53,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:53,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-07 08:03:53,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,248 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-07 08:03:53,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:53,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:53,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:53,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:53,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,289 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-07 08:03:53,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,300 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 08:03:53,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,316 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-07 08:03:53,316 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:03:53,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:53,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,391 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:53,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:53,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:53,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:53,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-07 08:03:53,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:53,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:53,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,465 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-07 08:03:53,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:53,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:53,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:53,478 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 08:03:53,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:53,496 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-07 08:03:53,496 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:03:53,522 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:03:53,552 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-07 08:03:53,553 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-07 08:03:53,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:53,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:53,555 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:53,560 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:03:53,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-07 08:03:53,586 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-07 08:03:53,586 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:03:53,587 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [2*ackermann_~n - 1 >= 0] [2021-11-07 08:03:53,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:53,652 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-07 08:03:53,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:53,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 08:03:53,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:53,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:03:53,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:03:53,942 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-11-07 08:03:53,943 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:53,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:54,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 45 transitions. Complement of second has 12 states. [2021-11-07 08:03:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-11-07 08:03:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2021-11-07 08:03:54,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 12 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-07 08:03:54,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:54,057 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:03:54,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:54,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 08:03:54,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:54,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:03:54,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:03:54,289 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2021-11-07 08:03:54,289 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:54,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 67 transitions. Complement of second has 20 states. [2021-11-07 08:03:54,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-07 08:03:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2021-11-07 08:03:54,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-07 08:03:54,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:54,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 12 letters. Loop has 4 letters. [2021-11-07 08:03:54,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:54,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 8 letters. [2021-11-07 08:03:54,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:54,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2021-11-07 08:03:54,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:03:54,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 42 states and 59 transitions. [2021-11-07 08:03:54,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-07 08:03:54,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-11-07 08:03:54,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2021-11-07 08:03:54,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:03:54,437 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-11-07 08:03:54,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2021-11-07 08:03:54,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2021-11-07 08:03:54,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-07 08:03:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 08:03:54,443 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 08:03:54,443 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 08:03:54,443 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-07 08:03:54,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 45 transitions. [2021-11-07 08:03:54,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:03:54,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:03:54,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:03:54,446 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:03:54,446 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:03:54,446 INFO L791 eck$LassoCheckResult]: Stem: 420#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 421#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 432#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 433#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 423#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 422#ackermannENTRY ~m := #in~m;~n := #in~n; 425#L17 assume !(0 == ~m); 440#L20 assume !(0 == ~n); 429#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 446#ackermannENTRY ~m := #in~m;~n := #in~n; 452#L17 assume !(0 == ~m); 436#L20 assume 0 == ~n; 437#L21 [2021-11-07 08:03:54,446 INFO L793 eck$LassoCheckResult]: Loop: 437#L21 call #t~ret7 := ackermann(~m - 1, 1);< 439#ackermannENTRY ~m := #in~m;~n := #in~n; 450#L17 assume !(0 == ~m); 451#L20 assume 0 == ~n; 437#L21 [2021-11-07 08:03:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:54,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 1 times [2021-11-07 08:03:54,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:54,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326687950] [2021-11-07 08:03:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:54,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,467 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:54,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:54,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2199699, now seen corresponding path program 2 times [2021-11-07 08:03:54,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:54,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963000882] [2021-11-07 08:03:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:54,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:03:54,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:03:54,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963000882] [2021-11-07 08:03:54,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963000882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:03:54,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:03:54,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:03:54,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140342337] [2021-11-07 08:03:54,562 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:03:54,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:03:54,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:03:54,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:03:54,567 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. cyclomatic complexity: 15 Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:54,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:03:54,618 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-11-07 08:03:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:03:54,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-11-07 08:03:54,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-11-07 08:03:54,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 45 states and 61 transitions. [2021-11-07 08:03:54,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-11-07 08:03:54,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-11-07 08:03:54,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 61 transitions. [2021-11-07 08:03:54,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:03:54,634 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-11-07 08:03:54,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 61 transitions. [2021-11-07 08:03:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-11-07 08:03:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 11 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) [2021-11-07 08:03:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2021-11-07 08:03:54,648 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-11-07 08:03:54,648 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-11-07 08:03:54,648 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-07 08:03:54,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 60 transitions. [2021-11-07 08:03:54,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-11-07 08:03:54,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:03:54,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:03:54,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:03:54,656 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2021-11-07 08:03:54,656 INFO L791 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 510#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 521#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 522#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 531#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 532#ackermannENTRY ~m := #in~m;~n := #in~n; 546#L17 assume !(0 == ~m); 549#L20 assume !(0 == ~n); 516#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 538#ackermannENTRY ~m := #in~m;~n := #in~n; 551#L17 assume !(0 == ~m); 547#L20 assume 0 == ~n; 528#L21 [2021-11-07 08:03:54,656 INFO L793 eck$LassoCheckResult]: Loop: 528#L21 call #t~ret7 := ackermann(~m - 1, 1);< 540#ackermannENTRY ~m := #in~m;~n := #in~n; 544#L17 assume !(0 == ~m); 527#L20 assume !(0 == ~n); 529#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 530#ackermannENTRY ~m := #in~m;~n := #in~n; 552#L17 assume !(0 == ~m); 550#L20 assume 0 == ~n; 528#L21 [2021-11-07 08:03:54,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:54,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 2 times [2021-11-07 08:03:54,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:54,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993871940] [2021-11-07 08:03:54,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:54,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,702 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:54,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash -47204506, now seen corresponding path program 1 times [2021-11-07 08:03:54,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:54,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081528197] [2021-11-07 08:03:54,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:54,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,741 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,747 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:54,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:54,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2117341196, now seen corresponding path program 1 times [2021-11-07 08:03:54,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:03:54,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885796516] [2021-11-07 08:03:54,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:03:54,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:03:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,775 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:03:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:03:54,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:03:55,060 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:03:55,060 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:03:55,060 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:03:55,060 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:03:55,060 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:03:55,060 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,061 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:03:55,061 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:03:55,061 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Loop [2021-11-07 08:03:55,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:03:55,061 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:03:55,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:55,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:55,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:55,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:55,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:55,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:55,151 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:03:55,151 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:03:55,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:55,152 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:55,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:55,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:55,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-07 08:03:55,166 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:55,166 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:55,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:55,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:55,191 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:55,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:55,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:55,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-07 08:03:55,223 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:55,223 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:55,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:55,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:55,252 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:55,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-07 08:03:55,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:55,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:55,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:55,267 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:55,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-07 08:03:55,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:55,291 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:55,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-07 08:03:55,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:55,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:55,308 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:55,308 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0, ackermann_#in~n=0} Honda state: {ackermann_~n=0, ackermann_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:55,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:55,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:55,332 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:55,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-07 08:03:55,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:55,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:55,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:55,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:55,376 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:55,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:03:55,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:55,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-07 08:03:55,708 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:55,709 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=6, ackermann_~m=-2} Honda state: {ackermann_#in~m=6, ackermann_~m=-2} Generalized eigenvectors: [{ackermann_#in~m=-8, ackermann_~m=0}, {ackermann_#in~m=0, ackermann_~m=0}, {ackermann_#in~m=-1, ackermann_~m=-1}] Lambdas: [0, 6, 1] Nus: [0, 0] [2021-11-07 08:03:55,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-07 08:03:55,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:55,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:55,732 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:55,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:03:55,734 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:03:55,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-07 08:03:55,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:03:55,775 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:03:55,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:56,745 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:03:56,746 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:03:56,746 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:03:56,746 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:03:56,746 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:03:56,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:56,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:03:56,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:03:56,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Lasso [2021-11-07 08:03:56,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:03:56,746 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:03:56,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:56,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:03:57,190 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:03:57,208 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:03:57,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,210 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-07 08:03:57,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:57,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,289 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:57,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:57,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:57,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-07 08:03:57,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:57,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,358 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-07 08:03:57,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-07 08:03:57,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,401 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-07 08:03:57,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:57,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:57,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:57,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:57,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,466 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-07 08:03:57,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:57,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:57,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:57,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-07 08:03:57,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,501 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-07 08:03:57,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:57,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,576 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-07 08:03:57,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:57,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,654 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-07 08:03:57,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-07 08:03:57,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,711 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-07 08:03:57,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:57,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,760 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-07 08:03:57,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-07 08:03:57,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,836 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-07 08:03:57,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-07 08:03:57,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,897 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-07 08:03:57,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:57,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,934 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-07 08:03:57,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:57,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:57,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-07 08:03:57,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:57,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:57,971 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:57,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-07 08:03:57,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:57,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:57,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:57,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:57,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:57,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:57,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:58,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,046 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:58,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:58,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-07 08:03:58,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,118 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:58,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:58,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-07 08:03:58,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,186 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-07 08:03:58,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,258 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-07 08:03:58,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:58,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:58,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,329 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-07 08:03:58,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,375 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-07 08:03:58,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-07 08:03:58,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,413 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-07 08:03:58,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:58,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:58,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-07 08:03:58,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,451 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-07 08:03:58,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-07 08:03:58,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,487 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-07 08:03:58,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,542 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-07 08:03:58,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,588 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-07 08:03:58,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,625 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-07 08:03:58,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-07 08:03:58,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,663 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-07 08:03:58,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,699 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-07 08:03:58,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-07 08:03:58,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,737 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-07 08:03:58,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,774 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-07 08:03:58,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,809 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-07 08:03:58,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-07 08:03:58,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,847 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-07 08:03:58,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:58,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,890 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-07 08:03:58,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:58,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-07 08:03:58,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:58,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:58,955 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:58,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:58,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:58,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:03:58,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:58,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:58,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:58,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:03:58,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:03:58,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-07 08:03:58,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:59,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:59,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:59,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:59,036 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:59,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:59,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:59,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:59,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:03:59,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:59,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:03:59,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:03:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-07 08:03:59,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:03:59,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:59,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:59,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:59,105 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:59,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:03:59,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:03:59,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:03:59,119 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 08:03:59,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:03:59,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-07 08:03:59,128 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-07 08:03:59,128 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:03:59,151 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:03:59,181 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-07 08:03:59,181 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-07 08:03:59,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:03:59,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:03:59,183 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:03:59,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:03:59,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-07 08:03:59,216 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-07 08:03:59,216 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:03:59,216 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [2*ackermann_~m - 1 >= 0] [2021-11-07 08:03:59,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:59,266 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-07 08:03:59,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:59,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 08:03:59,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:59,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-07 08:03:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:59,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 08:03:59,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:03:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 08:03:59,649 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 4 loop predicates [2021-11-07 08:03:59,650 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:59,790 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 106 transitions. Complement of second has 14 states. [2021-11-07 08:03:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2021-11-07 08:03:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:03:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2021-11-07 08:03:59,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 12 letters. Loop has 8 letters. [2021-11-07 08:03:59,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:03:59,793 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:03:59,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:03:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:03:59,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 08:03:59,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:00,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 08:04:00,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 08:04:00,134 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 4 loop predicates [2021-11-07 08:04:00,134 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:00,390 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 151 states and 223 transitions. Complement of second has 31 states. [2021-11-07 08:04:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 5 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 34 transitions. [2021-11-07 08:04:00,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 8 letters. [2021-11-07 08:04:00,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:00,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 20 letters. Loop has 8 letters. [2021-11-07 08:04:00,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:00,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 16 letters. [2021-11-07 08:04:00,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:00,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 223 transitions. [2021-11-07 08:04:00,401 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-11-07 08:04:00,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 115 states and 180 transitions. [2021-11-07 08:04:00,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2021-11-07 08:04:00,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2021-11-07 08:04:00,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 180 transitions. [2021-11-07 08:04:00,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:00,416 INFO L681 BuchiCegarLoop]: Abstraction has 115 states and 180 transitions. [2021-11-07 08:04:00,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 180 transitions. [2021-11-07 08:04:00,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2021-11-07 08:04:00,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 76 states have internal predecessors, (85), 25 states have call successors, (36), 15 states have call predecessors, (36), 13 states have return successors, (54), 18 states have call predecessors, (54), 20 states have call successors, (54) [2021-11-07 08:04:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 175 transitions. [2021-11-07 08:04:00,434 INFO L704 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-11-07 08:04:00,434 INFO L587 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-11-07 08:04:00,435 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-07 08:04:00,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 175 transitions. [2021-11-07 08:04:00,440 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-11-07 08:04:00,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:00,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:00,442 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:04:00,442 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:04:00,443 INFO L791 eck$LassoCheckResult]: Stem: 1030#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1031#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1049#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1050#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1066#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1070#ackermannENTRY ~m := #in~m;~n := #in~n; 1098#L17 assume !(0 == ~m); 1099#L20 assume !(0 == ~n); 1034#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1032#ackermannENTRY ~m := #in~m;~n := #in~n; 1035#L17 assume 0 == ~m;#res := 1 + ~n; 1101#ackermannFINAL assume true; 1051#ackermannEXIT >#45#return; 1041#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 1067#ackermannENTRY [2021-11-07 08:04:00,443 INFO L793 eck$LassoCheckResult]: Loop: 1067#ackermannENTRY ~m := #in~m;~n := #in~n; 1138#L17 assume !(0 == ~m); 1137#L20 assume !(0 == ~n); 1042#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1067#ackermannENTRY [2021-11-07 08:04:00,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:00,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1511844440, now seen corresponding path program 1 times [2021-11-07 08:04:00,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:00,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956551175] [2021-11-07 08:04:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:00,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-07 08:04:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 08:04:00,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:00,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956551175] [2021-11-07 08:04:00,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956551175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:04:00,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:04:00,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 08:04:00,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233635342] [2021-11-07 08:04:00,505 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 08:04:00,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:00,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 2 times [2021-11-07 08:04:00,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:00,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472691540] [2021-11-07 08:04:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:00,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:00,513 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:00,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:00,589 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:00,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:00,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:00,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:00,589 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:04:00,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,590 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:00,590 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:00,590 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration5_Loop [2021-11-07 08:04:00,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:00,590 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:00,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:00,705 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:00,706 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:04:00,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:00,707 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:00,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:00,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:00,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-07 08:04:00,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:00,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:00,752 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:00,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-07 08:04:00,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:04:00,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:00,785 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:00,785 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~n=-4} Honda state: {ackermann_#in~n=-4} Generalized eigenvectors: [{ackermann_#in~n=0}, {ackermann_#in~n=-1}, {ackermann_#in~n=0}] Lambdas: [15, 1, 13] Nus: [0, 0] [2021-11-07 08:04:00,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-07 08:04:00,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:00,809 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-07 08:04:00,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:00,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:00,822 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:00,822 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:00,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-07 08:04:00,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:00,863 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:00,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-07 08:04:00,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:00,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:00,874 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:00,875 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:00,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-07 08:04:00,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:00,900 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:00,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-07 08:04:00,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:00,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:00,911 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:00,911 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:00,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:00,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:00,935 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:00,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-07 08:04:00,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:00,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:00,946 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:00,946 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:00,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:00,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:00,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:00,971 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:00,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-07 08:04:00,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:00,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:00,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:00,982 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:01,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,006 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-07 08:04:01,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,017 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,017 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-07 08:04:01,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,042 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-07 08:04:01,043 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,043 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,059 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,059 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-07 08:04:01,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:01,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 08:04:01,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:04:01,085 INFO L87 Difference]: Start difference. First operand 110 states and 175 transitions. cyclomatic complexity: 71 Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-07 08:04:01,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:01,140 INFO L93 Difference]: Finished difference Result 82 states and 111 transitions. [2021-11-07 08:04:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:04:01,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 111 transitions. [2021-11-07 08:04:01,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-11-07 08:04:01,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 76 states and 105 transitions. [2021-11-07 08:04:01,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-11-07 08:04:01,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-11-07 08:04:01,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 105 transitions. [2021-11-07 08:04:01,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:01,148 INFO L681 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-11-07 08:04:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 105 transitions. [2021-11-07 08:04:01,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-07 08:04:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 56 states have internal predecessors, (59), 16 states have call successors, (22), 12 states have call predecessors, (22), 7 states have return successors, (24), 7 states have call predecessors, (24), 13 states have call successors, (24) [2021-11-07 08:04:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-11-07 08:04:01,158 INFO L704 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-11-07 08:04:01,158 INFO L587 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-11-07 08:04:01,158 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-07 08:04:01,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 105 transitions. [2021-11-07 08:04:01,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-11-07 08:04:01,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:01,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:01,161 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:04:01,161 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:04:01,161 INFO L791 eck$LassoCheckResult]: Stem: 1238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1239#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1253#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1254#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1259#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1265#ackermannENTRY ~m := #in~m;~n := #in~n; 1301#L17 assume !(0 == ~m); 1299#L20 assume !(0 == ~n); 1272#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1284#ackermannENTRY ~m := #in~m;~n := #in~n; 1293#L17 assume !(0 == ~m); 1292#L20 assume 0 == ~n; 1244#L21 call #t~ret7 := ackermann(~m - 1, 1);< 1270#ackermannENTRY ~m := #in~m;~n := #in~n; 1305#L17 assume !(0 == ~m); 1294#L20 [2021-11-07 08:04:01,161 INFO L793 eck$LassoCheckResult]: Loop: 1294#L20 assume !(0 == ~n); 1241#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1240#ackermannENTRY ~m := #in~m;~n := #in~n; 1242#L17 assume !(0 == ~m); 1294#L20 [2021-11-07 08:04:01,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:01,162 INFO L85 PathProgramCache]: Analyzing trace with hash -376751137, now seen corresponding path program 2 times [2021-11-07 08:04:01,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:01,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130944699] [2021-11-07 08:04:01,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:01,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:01,174 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:01,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:01,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:01,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2009294, now seen corresponding path program 3 times [2021-11-07 08:04:01,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:01,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885202424] [2021-11-07 08:04:01,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:01,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:01,195 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:01,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:01,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:01,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2009908652, now seen corresponding path program 3 times [2021-11-07 08:04:01,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:01,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013919487] [2021-11-07 08:04:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:01,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:01,212 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:01,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:01,318 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:01,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:01,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:01,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:01,318 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:04:01,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,319 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:01,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:01,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Loop [2021-11-07 08:04:01,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:01,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:01,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:01,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:01,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:01,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:01,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:01,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:01,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:01,410 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:04:01,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,411 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-07 08:04:01,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,423 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,423 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-07 08:04:01,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,447 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-07 08:04:01,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-07 08:04:01,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,492 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-07 08:04:01,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:04:01,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,543 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,544 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-4, ackermann_#in~n=-5} Honda state: {ackermann_~n=-4, ackermann_#in~n=-5} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=5}, {ackermann_~n=0, ackermann_#in~n=-6}, {ackermann_~n=0, ackermann_#in~n=1}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-11-07 08:04:01,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-07 08:04:01,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,567 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-07 08:04:01,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,578 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,578 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-07 08:04:01,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,601 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-07 08:04:01,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,620 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,621 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-07 08:04:01,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,643 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-07 08:04:01,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,659 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,659 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:01,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:01,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:01,682 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-07 08:04:01,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:01,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:01,693 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:01,693 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:01,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-07 08:04:02,693 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:02,693 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:02,693 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:02,693 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:02,693 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:04:02,693 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:02,693 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:02,693 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:02,693 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Lasso [2021-11-07 08:04:02,693 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:02,693 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:02,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:02,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:03,112 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:03,113 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:04:03,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,126 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-07 08:04:03,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,160 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-07 08:04:03,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,196 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-07 08:04:03,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,231 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-07 08:04:03,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,284 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-07 08:04:03,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,317 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-07 08:04:03,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-07 08:04:03,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,353 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-07 08:04:03,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-07 08:04:03,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,387 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-07 08:04:03,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,434 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-07 08:04:03,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,475 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-07 08:04:03,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,509 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-07 08:04:03,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-07 08:04:03,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,549 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-07 08:04:03,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,583 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-07 08:04:03,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:03,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:03,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:03,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,618 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-07 08:04:03,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-07 08:04:03,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,656 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-07 08:04:03,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,695 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-07 08:04:03,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-07 08:04:03,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,733 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-07 08:04:03,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-07 08:04:03,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,770 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-07 08:04:03,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-11-07 08:04:03,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,806 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-07 08:04:03,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-11-07 08:04:03,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,841 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-07 08:04:03,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,888 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-07 08:04:03,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:03,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,927 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-07 08:04:03,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:03,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-11-07 08:04:03,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:03,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:03,964 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:03,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-07 08:04:03,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:03,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:03,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:03,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:03,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:03,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:03,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:03,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:04,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:04,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,004 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-07 08:04:04,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:04,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:04,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:04,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:04,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:04,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:04,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:04,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:04,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-11-07 08:04:04,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,042 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-07 08:04:04,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:04,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:04,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:04,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:04,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:04,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:04,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:04,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:04,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:04,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-07 08:04:04,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,078 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-07 08:04:04,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:04,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:04,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:04,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:04,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:04,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:04,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:04,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:04,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:04,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-11-07 08:04:04,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,112 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-07 08:04:04,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:04,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:04,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:04,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:04,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:04,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:04,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:04,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:04,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:04,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:04,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,146 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-07 08:04:04,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:04,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:04,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:04,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:04,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:04,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:04,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:04,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:04,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:04,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,183 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-07 08:04:04,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:04,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:04,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:04,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:04,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:04,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:04,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:04,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:04,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:04,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:04,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,217 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-07 08:04:04,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:04,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:04,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:04,227 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 08:04:04,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:04,233 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-07 08:04:04,233 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:04:04,249 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:04:04,273 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-07 08:04:04,273 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-07 08:04:04,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:04,276 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:04,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-07 08:04:04,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:04:04,287 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-07 08:04:04,288 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:04:04,288 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [1*ackermann_~n >= 0] [2021-11-07 08:04:04,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-11-07 08:04:04,342 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-07 08:04:04,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:04,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:04,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:04,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:04,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:04:04,601 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2021-11-07 08:04:04,601 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:04,631 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 106 transitions. Complement of second has 6 states. [2021-11-07 08:04:04,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:04,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-11-07 08:04:04,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-07 08:04:04,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:04,633 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:04:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:04,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:04,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:04,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:04,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:04,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:04:04,911 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 4 loop predicates [2021-11-07 08:04:04,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:04,942 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 106 transitions. Complement of second has 6 states. [2021-11-07 08:04:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-11-07 08:04:04,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-07 08:04:04,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:04,945 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:04:04,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:05,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:05,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:04:05,174 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2021-11-07 08:04:05,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:05,299 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 171 states and 230 transitions. Complement of second has 38 states. [2021-11-07 08:04:05,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 3 non-accepting loop states 2 accepting loop states [2021-11-07 08:04:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:04:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-11-07 08:04:05,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-07 08:04:05,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:05,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 19 letters. Loop has 4 letters. [2021-11-07 08:04:05,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:05,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 8 letters. [2021-11-07 08:04:05,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:05,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 230 transitions. [2021-11-07 08:04:05,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2021-11-07 08:04:05,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 113 states and 162 transitions. [2021-11-07 08:04:05,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-11-07 08:04:05,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-11-07 08:04:05,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 162 transitions. [2021-11-07 08:04:05,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:05,313 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 162 transitions. [2021-11-07 08:04:05,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 162 transitions. [2021-11-07 08:04:05,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2021-11-07 08:04:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.131578947368421) internal successors, (86), 79 states have internal predecessors, (86), 22 states have call successors, (29), 17 states have call predecessors, (29), 10 states have return successors, (35), 11 states have call predecessors, (35), 20 states have call successors, (35) [2021-11-07 08:04:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2021-11-07 08:04:05,327 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-11-07 08:04:05,327 INFO L587 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-11-07 08:04:05,327 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-07 08:04:05,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 150 transitions. [2021-11-07 08:04:05,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-11-07 08:04:05,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:05,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:05,332 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:04:05,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:04:05,332 INFO L791 eck$LassoCheckResult]: Stem: 1939#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1940#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1949#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1950#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1959#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1968#ackermannENTRY ~m := #in~m;~n := #in~n; 1958#L17 assume !(0 == ~m); 1960#L20 assume !(0 == ~n); 1942#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1941#ackermannENTRY ~m := #in~m;~n := #in~n; 1943#L17 assume !(0 == ~m); 2025#L20 assume 0 == ~n; 1953#L21 call #t~ret7 := ackermann(~m - 1, 1);< 2006#ackermannENTRY ~m := #in~m;~n := #in~n; 2020#L17 assume 0 == ~m;#res := 1 + ~n; 2019#ackermannFINAL assume true; 1951#ackermannEXIT >#43#return; 1957#L21-1 #res := #t~ret7;havoc #t~ret7; 1947#ackermannFINAL assume true; 1948#ackermannEXIT >#45#return; 1975#L23-1 [2021-11-07 08:04:05,333 INFO L793 eck$LassoCheckResult]: Loop: 1975#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 1978#ackermannENTRY ~m := #in~m;~n := #in~n; 2012#L17 assume !(0 == ~m); 1980#L20 assume !(0 == ~n); 1974#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1978#ackermannENTRY ~m := #in~m;~n := #in~n; 2012#L17 assume !(0 == ~m); 1980#L20 assume 0 == ~n; 1965#L21 call #t~ret7 := ackermann(~m - 1, 1);< 1970#ackermannENTRY ~m := #in~m;~n := #in~n; 2015#L17 assume 0 == ~m;#res := 1 + ~n; 2014#ackermannFINAL assume true; 2004#ackermannEXIT >#43#return; 2001#L21-1 #res := #t~ret7;havoc #t~ret7; 1999#ackermannFINAL assume true; 1985#ackermannEXIT >#45#return; 1975#L23-1 [2021-11-07 08:04:05,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:05,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2142297082, now seen corresponding path program 1 times [2021-11-07 08:04:05,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:05,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60056755] [2021-11-07 08:04:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:05,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:05,347 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:05,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:05,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:05,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1250092377, now seen corresponding path program 1 times [2021-11-07 08:04:05,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:05,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318113558] [2021-11-07 08:04:05,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:05,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:05,372 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:05,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:05,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:05,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1017421986, now seen corresponding path program 1 times [2021-11-07 08:04:05,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:05,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296106686] [2021-11-07 08:04:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:05,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-07 08:04:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-07 08:04:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-07 08:04:05,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:05,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296106686] [2021-11-07 08:04:05,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296106686] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:05,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874811065] [2021-11-07 08:04:05,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:05,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:05,527 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:05,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2021-11-07 08:04:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:05,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 08:04:05,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 08:04:05,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874811065] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:05,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:05,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-11-07 08:04:05,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790055156] [2021-11-07 08:04:06,090 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:06,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:06,091 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:06,091 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:06,091 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:04:06,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:06,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:06,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:06,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-11-07 08:04:06,092 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:06,092 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:06,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:06,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:06,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:06,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:06,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:06,170 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:06,170 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:04:06,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:06,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:06,171 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:06,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-07 08:04:06,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:06,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:06,181 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:06,181 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:06,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-11-07 08:04:06,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:06,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:06,203 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:06,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-07 08:04:06,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:06,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:06,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:06,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:06,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:06,237 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-07 08:04:06,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:04:06,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:08,511 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:04:08,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:08,515 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:08,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:08,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:08,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:08,515 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:04:08,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:08,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:08,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:08,516 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-11-07 08:04:08,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:08,516 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:08,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:08,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:08,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:08,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:08,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:08,606 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:08,606 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:04:08,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:08,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:08,615 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:08,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:08,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:08,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:08,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:08,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:08,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:08,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:08,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:08,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-07 08:04:08,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:08,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-11-07 08:04:08,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:08,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:08,666 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:08,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-07 08:04:08,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:08,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:08,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:08,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:08,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:08,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:08,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:08,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:08,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:08,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-11-07 08:04:08,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:08,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:08,750 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:08,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:08,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:08,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:08,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:08,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:08,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:08,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:08,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:08,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-07 08:04:08,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:04:08,821 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-07 08:04:08,822 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 08:04:08,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:08,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:08,827 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:08,835 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:04:08,836 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 08:04:08,836 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:04:08,836 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [] [2021-11-07 08:04:08,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-07 08:04:08,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:08,876 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 08:04:08,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:08,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 08:04:08,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:09,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:09,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 08:04:09,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 08:04:09,498 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-11-07 08:04:09,498 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46 Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 08:04:09,630 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 185 states and 266 transitions. Complement of second has 20 states. [2021-11-07 08:04:09,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 08:04:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2021-11-07 08:04:09,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 20 letters. Loop has 16 letters. [2021-11-07 08:04:09,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:09,636 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:04:09,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:09,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 08:04:09,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:09,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 08:04:09,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 08:04:10,125 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 7 loop predicates [2021-11-07 08:04:10,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46 Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 08:04:10,382 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 272 states and 409 transitions. Complement of second has 32 states. [2021-11-07 08:04:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-07 08:04:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 33 transitions. [2021-11-07 08:04:10,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 16 letters. [2021-11-07 08:04:10,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:10,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 36 letters. Loop has 16 letters. [2021-11-07 08:04:10,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:10,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 32 letters. [2021-11-07 08:04:10,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:10,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 272 states and 409 transitions. [2021-11-07 08:04:10,392 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 47 [2021-11-07 08:04:10,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 272 states to 222 states and 347 transitions. [2021-11-07 08:04:10,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-11-07 08:04:10,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-11-07 08:04:10,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 347 transitions. [2021-11-07 08:04:10,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:10,402 INFO L681 BuchiCegarLoop]: Abstraction has 222 states and 347 transitions. [2021-11-07 08:04:10,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 347 transitions. [2021-11-07 08:04:10,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2021-11-07 08:04:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 138 states have (on average 1.1666666666666667) internal successors, (161), 148 states have internal predecessors, (161), 47 states have call successors, (64), 28 states have call predecessors, (64), 24 states have return successors, (102), 32 states have call predecessors, (102), 41 states have call successors, (102) [2021-11-07 08:04:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 327 transitions. [2021-11-07 08:04:10,427 INFO L704 BuchiCegarLoop]: Abstraction has 209 states and 327 transitions. [2021-11-07 08:04:10,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:10,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 08:04:10,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-07 08:04:10,429 INFO L87 Difference]: Start difference. First operand 209 states and 327 transitions. Second operand has 14 states, 12 states have (on average 2.5) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2021-11-07 08:04:10,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:10,701 INFO L93 Difference]: Finished difference Result 232 states and 364 transitions. [2021-11-07 08:04:10,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 08:04:10,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 364 transitions. [2021-11-07 08:04:10,715 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-11-07 08:04:10,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 230 states and 362 transitions. [2021-11-07 08:04:10,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-11-07 08:04:10,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-11-07 08:04:10,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 230 states and 362 transitions. [2021-11-07 08:04:10,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:10,726 INFO L681 BuchiCegarLoop]: Abstraction has 230 states and 362 transitions. [2021-11-07 08:04:10,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states and 362 transitions. [2021-11-07 08:04:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-11-07 08:04:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 157 states have internal predecessors, (167), 48 states have call successors, (63), 30 states have call predecessors, (63), 28 states have return successors, (121), 35 states have call predecessors, (121), 42 states have call successors, (121) [2021-11-07 08:04:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 351 transitions. [2021-11-07 08:04:10,775 INFO L704 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-11-07 08:04:10,775 INFO L587 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-11-07 08:04:10,775 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-07 08:04:10,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 351 transitions. [2021-11-07 08:04:10,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-11-07 08:04:10,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:10,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:10,781 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:04:10,781 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:04:10,782 INFO L791 eck$LassoCheckResult]: Stem: 3422#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3423#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 3443#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 3444#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 3476#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 3477#ackermannENTRY ~m := #in~m;~n := #in~n; 3524#L17 assume !(0 == ~m); 3522#L20 assume !(0 == ~n); 3451#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3518#ackermannENTRY ~m := #in~m;~n := #in~n; 3519#L17 assume !(0 == ~m); 3535#L20 assume 0 == ~n; 3431#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3533#ackermannENTRY ~m := #in~m;~n := #in~n; 3536#L17 assume 0 == ~m;#res := 1 + ~n; 3534#ackermannFINAL assume true; 3530#ackermannEXIT >#43#return; 3529#L21-1 #res := #t~ret7;havoc #t~ret7; 3528#ackermannFINAL assume true; 3526#ackermannEXIT >#45#return; 3469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 3475#ackermannENTRY ~m := #in~m;~n := #in~n; 3608#L17 assume !(0 == ~m); 3462#L20 assume !(0 == ~n); 3464#L23 [2021-11-07 08:04:10,782 INFO L793 eck$LassoCheckResult]: Loop: 3464#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3581#ackermannENTRY ~m := #in~m;~n := #in~n; 3578#L17 assume !(0 == ~m); 3579#L20 assume !(0 == ~n); 3464#L23 [2021-11-07 08:04:10,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:10,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1132004457, now seen corresponding path program 2 times [2021-11-07 08:04:10,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:10,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962204520] [2021-11-07 08:04:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:10,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-07 08:04:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:04:10,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:10,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962204520] [2021-11-07 08:04:10,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962204520] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:10,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436208805] [2021-11-07 08:04:10,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:04:10,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:10,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:10,962 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:10,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Waiting until timeout for monitored process [2021-11-07 08:04:11,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 08:04:11,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:11,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 08:04:11,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 08:04:11,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436208805] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:11,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:11,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-11-07 08:04:11,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925482048] [2021-11-07 08:04:11,353 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 08:04:11,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:11,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 4 times [2021-11-07 08:04:11,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:11,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688936887] [2021-11-07 08:04:11,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:11,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:11,361 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:11,365 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:11,491 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:11,491 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:11,491 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:11,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:11,492 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:04:11,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:11,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:11,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration8_Loop [2021-11-07 08:04:11,492 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:11,493 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:11,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:11,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:11,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:11,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:11,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:11,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:11,604 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:11,604 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:04:11,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:11,605 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:11,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:11,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:11,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-11-07 08:04:11,620 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:11,620 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:11,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:11,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:11,644 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:11,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-07 08:04:11,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:11,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:11,655 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:11,655 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:11,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:11,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:11,679 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:11,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-07 08:04:11,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:11,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:11,698 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:11,698 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:11,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:11,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:11,723 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:11,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-07 08:04:11,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:11,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:11,734 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:11,734 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:11,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:11,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:11,759 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:11,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-07 08:04:11,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:11,760 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:11,770 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:11,770 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:11,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:11,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:11,795 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:11,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-07 08:04:11,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:11,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:11,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:11,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:11,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:11,839 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:11,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-07 08:04:11,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:04:11,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:16,165 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:16,166 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-1, ackermann_#in~n=1} Honda state: {ackermann_~n=-1, ackermann_#in~n=1} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=7}, {ackermann_~n=0, ackermann_#in~n=-8}, {ackermann_~n=0, ackermann_#in~n=-2}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-11-07 08:04:16,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:16,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:16,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 08:04:16,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:04:16,192 INFO L87 Difference]: Start difference. First operand 223 states and 351 transitions. cyclomatic complexity: 135 Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-07 08:04:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:16,299 INFO L93 Difference]: Finished difference Result 169 states and 264 transitions. [2021-11-07 08:04:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 08:04:16,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 264 transitions. [2021-11-07 08:04:16,305 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-11-07 08:04:16,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 161 states and 238 transitions. [2021-11-07 08:04:16,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-11-07 08:04:16,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-11-07 08:04:16,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 238 transitions. [2021-11-07 08:04:16,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:16,312 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 238 transitions. [2021-11-07 08:04:16,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 238 transitions. [2021-11-07 08:04:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2021-11-07 08:04:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.0961538461538463) internal successors, (114), 105 states have internal predecessors, (114), 31 states have call successors, (37), 23 states have call predecessors, (37), 20 states have return successors, (64), 26 states have call predecessors, (64), 29 states have call successors, (64) [2021-11-07 08:04:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-11-07 08:04:16,324 INFO L704 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-11-07 08:04:16,324 INFO L587 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-11-07 08:04:16,324 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-07 08:04:16,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 215 transitions. [2021-11-07 08:04:16,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-11-07 08:04:16,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:16,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:16,334 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 7, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 08:04:16,334 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [12, 11, 7, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2] [2021-11-07 08:04:16,334 INFO L791 eck$LassoCheckResult]: Stem: 3913#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3914#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 3929#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 3930#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 3936#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 3937#ackermannENTRY ~m := #in~m;~n := #in~n; 4032#L17 assume !(0 == ~m); 3935#L20 assume !(0 == ~n); 3919#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 4015#ackermannENTRY ~m := #in~m;~n := #in~n; 4009#L17 assume !(0 == ~m); 4008#L20 assume 0 == ~n; 3922#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3983#ackermannENTRY ~m := #in~m;~n := #in~n; 4001#L17 assume !(0 == ~m); 4000#L20 assume !(0 == ~n); 3972#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3999#ackermannENTRY ~m := #in~m;~n := #in~n; 4026#L17 assume !(0 == ~m); 4025#L20 assume !(0 == ~n); 3965#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 4018#ackermannENTRY ~m := #in~m;~n := #in~n; 4019#L17 assume !(0 == ~m); 4016#L20 assume 0 == ~n; 3925#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3984#ackermannENTRY ~m := #in~m;~n := #in~n; 4014#L17 assume 0 == ~m;#res := 1 + ~n; 4007#ackermannFINAL assume true; 4004#ackermannEXIT >#43#return; 4005#L21-1 #res := #t~ret7;havoc #t~ret7; 4053#ackermannFINAL assume true; 4052#ackermannEXIT >#45#return; 4049#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4051#ackermannENTRY ~m := #in~m;~n := #in~n; 4055#L17 assume 0 == ~m;#res := 1 + ~n; 4054#ackermannFINAL assume true; 4047#ackermannEXIT >#47#return; 4050#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4064#ackermannFINAL assume true; 4062#ackermannEXIT >#45#return; 4061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4066#ackermannENTRY ~m := #in~m;~n := #in~n; 4067#L17 assume 0 == ~m;#res := 1 + ~n; 3993#ackermannFINAL assume true; 4065#ackermannEXIT >#47#return; 3932#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 3921#ackermannFINAL assume true; 3928#ackermannEXIT >#43#return; 3981#L21-1 #res := #t~ret7;havoc #t~ret7; 4020#ackermannFINAL assume true; 3968#ackermannEXIT >#45#return; 3938#L23-1 [2021-11-07 08:04:16,335 INFO L793 eck$LassoCheckResult]: Loop: 3938#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 3950#ackermannENTRY ~m := #in~m;~n := #in~n; 3956#L17 assume !(0 == ~m); 3958#L20 assume !(0 == ~n); 3942#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3950#ackermannENTRY ~m := #in~m;~n := #in~n; 3956#L17 assume !(0 == ~m); 3958#L20 assume 0 == ~n; 3927#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3944#ackermannENTRY ~m := #in~m;~n := #in~n; 3979#L17 assume !(0 == ~m); 3977#L20 assume !(0 == ~n); 3948#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3967#ackermannENTRY ~m := #in~m;~n := #in~n; 3989#L17 assume !(0 == ~m); 3988#L20 assume !(0 == ~n); 3941#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3960#L20 assume !(0 == ~n); 3943#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3960#L20 assume !(0 == ~n); 3943#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3961#L20 assume 0 == ~n; 3927#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3944#ackermannENTRY ~m := #in~m;~n := #in~n; 3979#L17 assume 0 == ~m;#res := 1 + ~n; 3980#ackermannFINAL assume true; 4043#ackermannEXIT >#43#return; 4033#L21-1 #res := #t~ret7;havoc #t~ret7; 4034#ackermannFINAL assume true; 3985#ackermannEXIT >#45#return; 3986#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4042#ackermannENTRY ~m := #in~m;~n := #in~n; 4057#L17 assume 0 == ~m;#res := 1 + ~n; 4056#ackermannFINAL assume true; 4040#ackermannEXIT >#47#return; 4035#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4021#ackermannFINAL assume true; 4022#ackermannEXIT >#45#return; 4037#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4041#ackermannENTRY ~m := #in~m;~n := #in~n; 4058#L17 assume 0 == ~m;#res := 1 + ~n; 3957#ackermannFINAL assume true; 4036#ackermannEXIT >#47#return; 4035#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4021#ackermannFINAL assume true; 4022#ackermannEXIT >#45#return; 4038#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4041#ackermannENTRY ~m := #in~m;~n := #in~n; 4058#L17 assume 0 == ~m;#res := 1 + ~n; 3957#ackermannFINAL assume true; 4036#ackermannEXIT >#47#return; 4039#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4063#ackermannFINAL assume true; 4060#ackermannEXIT >#45#return; 4061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4066#ackermannENTRY ~m := #in~m;~n := #in~n; 4067#L17 assume 0 == ~m;#res := 1 + ~n; 3993#ackermannFINAL assume true; 4065#ackermannEXIT >#47#return; 3932#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 3921#ackermannFINAL assume true; 3928#ackermannEXIT >#43#return; 3981#L21-1 #res := #t~ret7;havoc #t~ret7; 4020#ackermannFINAL assume true; 3968#ackermannEXIT >#45#return; 3938#L23-1 [2021-11-07 08:04:16,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:16,336 INFO L85 PathProgramCache]: Analyzing trace with hash -77167706, now seen corresponding path program 1 times [2021-11-07 08:04:16,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:16,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550423521] [2021-11-07 08:04:16,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:16,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-07 08:04:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-07 08:04:16,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:16,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550423521] [2021-11-07 08:04:16,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550423521] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:16,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919641774] [2021-11-07 08:04:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:16,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:16,471 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:16,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Waiting until timeout for monitored process [2021-11-07 08:04:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 08:04:16,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 48 proven. 15 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-07 08:04:16,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919641774] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:16,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:16,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-11-07 08:04:16,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939123318] [2021-11-07 08:04:16,956 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 08:04:16,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:16,956 INFO L85 PathProgramCache]: Analyzing trace with hash -804805273, now seen corresponding path program 1 times [2021-11-07 08:04:16,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:16,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782994245] [2021-11-07 08:04:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:16,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:16,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-07 08:04:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,252 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 103 proven. 65 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-07 08:04:17,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:17,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782994245] [2021-11-07 08:04:17,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782994245] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:17,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803734935] [2021-11-07 08:04:17,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:17,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:17,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:17,260 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:17,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Waiting until timeout for monitored process [2021-11-07 08:04:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:17,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 08:04:17,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 112 proven. 45 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-07 08:04:17,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803734935] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:17,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:17,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-11-07 08:04:17,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720503587] [2021-11-07 08:04:17,891 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:04:17,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:17,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 08:04:17,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-07 08:04:17,892 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. cyclomatic complexity: 64 Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 9 states have call successors, (11), 1 states have call predecessors, (11), 7 states have return successors, (12), 6 states have call predecessors, (12), 9 states have call successors, (12) [2021-11-07 08:04:18,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:18,070 INFO L93 Difference]: Finished difference Result 177 states and 292 transitions. [2021-11-07 08:04:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 08:04:18,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 292 transitions. [2021-11-07 08:04:18,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2021-11-07 08:04:18,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 156 states and 245 transitions. [2021-11-07 08:04:18,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2021-11-07 08:04:18,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2021-11-07 08:04:18,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 245 transitions. [2021-11-07 08:04:18,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:18,084 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 245 transitions. [2021-11-07 08:04:18,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 245 transitions. [2021-11-07 08:04:18,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 137. [2021-11-07 08:04:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 93 states have (on average 1.10752688172043) internal successors, (103), 94 states have internal predecessors, (103), 28 states have call successors, (33), 21 states have call predecessors, (33), 16 states have return successors, (48), 21 states have call predecessors, (48), 25 states have call successors, (48) [2021-11-07 08:04:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 184 transitions. [2021-11-07 08:04:18,101 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-11-07 08:04:18,101 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-11-07 08:04:18,101 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-07 08:04:18,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 184 transitions. [2021-11-07 08:04:18,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2021-11-07 08:04:18,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:18,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:18,117 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:04:18,117 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 12, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-11-07 08:04:18,118 INFO L791 eck$LassoCheckResult]: Stem: 5023#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5024#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 5046#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 5047#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 5045#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 5063#ackermannENTRY ~m := #in~m;~n := #in~n; 5093#L17 assume !(0 == ~m); 5091#L20 assume !(0 == ~n); 5040#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5088#ackermannENTRY ~m := #in~m;~n := #in~n; 5087#L17 assume !(0 == ~m); 5055#L20 assume 0 == ~n; 5056#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5100#ackermannENTRY ~m := #in~m;~n := #in~n; 5105#L17 assume !(0 == ~m); 5106#L20 assume !(0 == ~n); 5058#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5071#ackermannENTRY ~m := #in~m;~n := #in~n; 5103#L17 assume !(0 == ~m); 5097#L20 assume 0 == ~n; 5070#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5101#ackermannENTRY ~m := #in~m;~n := #in~n; 5123#L17 assume 0 == ~m;#res := 1 + ~n; 5121#ackermannFINAL assume true; 5115#ackermannEXIT >#43#return; 5116#L21-1 #res := #t~ret7;havoc #t~ret7; 5147#ackermannFINAL assume true; 5144#ackermannEXIT >#45#return; 5126#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5127#ackermannENTRY ~m := #in~m;~n := #in~n; 5139#L17 assume 0 == ~m;#res := 1 + ~n; 5138#ackermannFINAL assume true; 5125#ackermannEXIT >#47#return; 5124#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5122#ackermannFINAL assume true; 5113#ackermannEXIT >#43#return; 5066#L21-1 #res := #t~ret7;havoc #t~ret7; 5032#ackermannFINAL assume true; 5044#ackermannEXIT >#45#return; 5035#L23-1 [2021-11-07 08:04:18,121 INFO L793 eck$LassoCheckResult]: Loop: 5035#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5069#ackermannENTRY ~m := #in~m;~n := #in~n; 5075#L17 assume !(0 == ~m); 5077#L20 assume !(0 == ~n); 5034#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5069#ackermannENTRY ~m := #in~m;~n := #in~n; 5075#L17 assume !(0 == ~m); 5077#L20 assume 0 == ~n; 5064#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume 0 == ~m;#res := 1 + ~n; 5086#ackermannFINAL assume true; 5117#ackermannEXIT >#43#return; 5119#L21-1 #res := #t~ret7;havoc #t~ret7; 5137#ackermannFINAL assume true; 5136#ackermannEXIT >#45#return; 5132#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5133#ackermannENTRY ~m := #in~m;~n := #in~n; 5146#L17 assume 0 == ~m;#res := 1 + ~n; 5145#ackermannFINAL assume true; 5131#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5114#L21-1 #res := #t~ret7;havoc #t~ret7; 5143#ackermannFINAL assume true; 5135#ackermannEXIT >#45#return; 5061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5134#ackermannENTRY ~m := #in~m;~n := #in~n; 5140#L17 assume !(0 == ~m); 5072#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume 0 == ~m;#res := 1 + ~n; 5086#ackermannFINAL assume true; 5117#ackermannEXIT >#43#return; 5119#L21-1 #res := #t~ret7;havoc #t~ret7; 5137#ackermannFINAL assume true; 5136#ackermannEXIT >#45#return; 5132#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5133#ackermannENTRY ~m := #in~m;~n := #in~n; 5146#L17 assume 0 == ~m;#res := 1 + ~n; 5145#ackermannFINAL assume true; 5131#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5114#L21-1 #res := #t~ret7;havoc #t~ret7; 5143#ackermannFINAL assume true; 5135#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5066#L21-1 #res := #t~ret7;havoc #t~ret7; 5032#ackermannFINAL assume true; 5044#ackermannEXIT >#45#return; 5035#L23-1 [2021-11-07 08:04:18,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:18,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1100790060, now seen corresponding path program 2 times [2021-11-07 08:04:18,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:18,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467445943] [2021-11-07 08:04:18,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:18,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:18,143 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:18,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:18,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:18,173 INFO L85 PathProgramCache]: Analyzing trace with hash -119431079, now seen corresponding path program 2 times [2021-11-07 08:04:18,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:18,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647919173] [2021-11-07 08:04:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:18,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-07 08:04:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:18,471 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 152 proven. 59 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-07 08:04:18,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:18,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647919173] [2021-11-07 08:04:18,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647919173] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:18,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274133350] [2021-11-07 08:04:18,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:04:18,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:18,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:18,474 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:18,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Waiting until timeout for monitored process [2021-11-07 08:04:18,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 08:04:18,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:18,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 08:04:18,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 90 proven. 84 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-11-07 08:04:19,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274133350] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:19,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:19,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-11-07 08:04:19,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083869250] [2021-11-07 08:04:19,162 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:04:19,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:19,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 08:04:19,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-07 08:04:19,163 INFO L87 Difference]: Start difference. First operand 137 states and 184 transitions. cyclomatic complexity: 51 Second operand has 20 states, 16 states have (on average 2.375) internal successors, (38), 13 states have internal predecessors, (38), 7 states have call successors, (11), 1 states have call predecessors, (11), 11 states have return successors, (21), 15 states have call predecessors, (21), 7 states have call successors, (21) [2021-11-07 08:04:20,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:20,298 INFO L93 Difference]: Finished difference Result 177 states and 270 transitions. [2021-11-07 08:04:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 08:04:20,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 270 transitions. [2021-11-07 08:04:20,302 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-11-07 08:04:20,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 176 states and 262 transitions. [2021-11-07 08:04:20,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2021-11-07 08:04:20,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2021-11-07 08:04:20,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 262 transitions. [2021-11-07 08:04:20,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:20,308 INFO L681 BuchiCegarLoop]: Abstraction has 176 states and 262 transitions. [2021-11-07 08:04:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 262 transitions. [2021-11-07 08:04:20,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 165. [2021-11-07 08:04:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 109 states have (on average 1.0825688073394495) internal successors, (118), 113 states have internal predecessors, (118), 35 states have call successors, (40), 23 states have call predecessors, (40), 21 states have return successors, (88), 28 states have call predecessors, (88), 30 states have call successors, (88) [2021-11-07 08:04:20,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2021-11-07 08:04:20,328 INFO L704 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-11-07 08:04:20,328 INFO L587 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-11-07 08:04:20,328 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-07 08:04:20,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 246 transitions. [2021-11-07 08:04:20,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-11-07 08:04:20,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:20,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:20,332 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:04:20,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-07 08:04:20,333 INFO L791 eck$LassoCheckResult]: Stem: 5936#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5937#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 5956#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 5957#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 5970#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 5971#ackermannENTRY ~m := #in~m;~n := #in~n; 6001#L17 assume !(0 == ~m); 5999#L20 assume !(0 == ~n); 5986#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5995#ackermannENTRY ~m := #in~m;~n := #in~n; 5996#L17 assume !(0 == ~m); 5985#L20 assume 0 == ~n; 5987#L21 call #t~ret7 := ackermann(~m - 1, 1);< 6037#ackermannENTRY ~m := #in~m;~n := #in~n; 6070#L17 assume !(0 == ~m); 6069#L20 assume !(0 == ~n); 5978#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 6039#ackermannENTRY ~m := #in~m;~n := #in~n; 6040#L17 assume !(0 == ~m); 5994#L20 assume 0 == ~n; 6008#L21 call #t~ret7 := ackermann(~m - 1, 1);< 6036#ackermannENTRY ~m := #in~m;~n := #in~n; 6077#L17 assume 0 == ~m;#res := 1 + ~n; 6076#ackermannFINAL assume true; 6075#ackermannEXIT >#43#return; 6073#L21-1 #res := #t~ret7;havoc #t~ret7; 6071#ackermannFINAL assume true; 6068#ackermannEXIT >#45#return; 6066#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 6067#ackermannENTRY ~m := #in~m;~n := #in~n; 6074#L17 assume 0 == ~m;#res := 1 + ~n; 6072#ackermannFINAL assume true; 6065#ackermannEXIT >#47#return; 6064#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 6063#ackermannFINAL assume true; 6056#ackermannEXIT >#43#return; 6053#L21-1 #res := #t~ret7;havoc #t~ret7; 6050#ackermannFINAL assume true; 6042#ackermannEXIT >#45#return; 5952#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 6022#ackermannENTRY [2021-11-07 08:04:20,333 INFO L793 eck$LassoCheckResult]: Loop: 6022#ackermannENTRY ~m := #in~m;~n := #in~n; 6021#L17 assume !(0 == ~m); 6020#L20 assume !(0 == ~n); 5950#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 6022#ackermannENTRY [2021-11-07 08:04:20,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:20,334 INFO L85 PathProgramCache]: Analyzing trace with hash -235246462, now seen corresponding path program 3 times [2021-11-07 08:04:20,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:20,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535363045] [2021-11-07 08:04:20,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:20,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:20,356 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:20,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:20,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:20,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 5 times [2021-11-07 08:04:20,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:20,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338964760] [2021-11-07 08:04:20,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:20,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:20,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:20,382 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:20,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1578641935, now seen corresponding path program 4 times [2021-11-07 08:04:20,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:20,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109792442] [2021-11-07 08:04:20,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:20,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:20,397 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:20,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:20,487 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:20,487 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:20,487 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:20,487 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:20,488 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:04:20,488 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:20,488 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:20,488 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:20,488 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Loop [2021-11-07 08:04:20,488 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:20,489 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:20,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:20,580 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:20,580 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:04:20,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:20,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:20,582 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:20,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-07 08:04:20,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:20,583 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:20,619 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:20,619 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:20,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:20,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:20,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:20,660 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:20,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:20,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:20,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-07 08:04:20,691 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:20,691 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:20,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:20,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:20,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:20,735 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:20,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:20,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:20,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-07 08:04:20,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:20,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:20,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:20,815 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:20,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:04:20,818 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:20,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-11-07 08:04:20,896 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:20,896 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~n=-4} Honda state: {ackermann_#in~n=-4} Generalized eigenvectors: [{ackermann_#in~n=-1}, {ackermann_#in~n=0}, {ackermann_#in~n=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2021-11-07 08:04:20,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:20,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:20,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:20,920 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:20,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-11-07 08:04:20,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:20,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:20,935 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:20,935 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:20,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-11-07 08:04:20,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:20,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:20,963 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:20,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:20,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:20,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-11-07 08:04:21,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:21,004 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:21,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:21,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:21,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:21,047 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:21,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:21,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:21,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-11-07 08:04:21,071 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:21,071 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:21,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:21,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:21,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:21,122 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:21,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:21,124 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:21,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-11-07 08:04:21,163 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:21,163 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:21,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:21,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:21,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:21,204 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:21,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:04:21,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:04:21,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-11-07 08:04:21,217 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:04:21,217 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:04:21,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:22,505 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:04:22,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:04:22,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:04:22,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:04:22,505 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:04:22,505 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,505 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:04:22,505 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:04:22,505 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Lasso [2021-11-07 08:04:22,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:04:22,506 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:04:22,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:04:22,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:04:22,961 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:04:22,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:22,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:22,963 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:22,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-11-07 08:04:22,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:22,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:22,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:22,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:22,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:22,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:22,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:22,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:22,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:23,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-11-07 08:04:23,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:23,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:23,011 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:23,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-11-07 08:04:23,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:23,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:23,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:04:23,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:23,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:23,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:23,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:04:23,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:04:23,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:23,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-11-07 08:04:23,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:23,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:23,046 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:23,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-11-07 08:04:23,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:23,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:23,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:23,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:04:23,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:23,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:04:23,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:04:23,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:04:23,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:23,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:23,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:23,083 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:23,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-11-07 08:04:23,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:04:23,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:04:23,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:04:23,093 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-07 08:04:23,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:04:23,096 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-07 08:04:23,097 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:04:23,114 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:04:23,137 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-07 08:04:23,137 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-11-07 08:04:23,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:04:23,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:23,139 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:04:23,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-11-07 08:04:23,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:04:23,154 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-07 08:04:23,154 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:04:23,154 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = 1*ackermann_#in~n Supporting invariants [1*ackermann_#in~n >= 0] [2021-11-07 08:04:23,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:23,198 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-07 08:04:23,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:23,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-07 08:04:23,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:23,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-11-07 08:04:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:24,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:24,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:24,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:04:24,396 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 3 loop predicates [2021-11-07 08:04:24,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-07 08:04:24,759 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 169 states and 255 transitions. Complement of second has 13 states. [2021-11-07 08:04:24,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 7 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-07 08:04:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-11-07 08:04:24,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-11-07 08:04:24,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:24,761 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:04:24,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:24,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-07 08:04:24,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:25,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:25,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:04:26,010 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 3 loop predicates [2021-11-07 08:04:26,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-07 08:04:26,368 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 169 states and 255 transitions. Complement of second has 13 states. [2021-11-07 08:04:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 7 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-07 08:04:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-11-07 08:04:26,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-11-07 08:04:26,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:26,370 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:04:26,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:26,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-07 08:04:26,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:27,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 08:04:27,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:04:27,531 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 3 loop predicates [2021-11-07 08:04:27,531 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-07 08:04:28,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 258 states and 363 transitions. Complement of second has 42 states. [2021-11-07 08:04:28,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 12 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-07 08:04:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-07 08:04:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 37 transitions. [2021-11-07 08:04:28,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 4 letters. [2021-11-07 08:04:28,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:28,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 44 letters. Loop has 4 letters. [2021-11-07 08:04:28,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:28,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 8 letters. [2021-11-07 08:04:28,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:04:28,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 363 transitions. [2021-11-07 08:04:28,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 43 [2021-11-07 08:04:28,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 209 states and 287 transitions. [2021-11-07 08:04:28,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2021-11-07 08:04:28,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2021-11-07 08:04:28,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 287 transitions. [2021-11-07 08:04:28,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:28,236 INFO L681 BuchiCegarLoop]: Abstraction has 209 states and 287 transitions. [2021-11-07 08:04:28,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 287 transitions. [2021-11-07 08:04:28,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 184. [2021-11-07 08:04:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 122 states have (on average 1.0819672131147542) internal successors, (132), 124 states have internal predecessors, (132), 42 states have call successors, (48), 25 states have call predecessors, (48), 20 states have return successors, (60), 34 states have call predecessors, (60), 37 states have call successors, (60) [2021-11-07 08:04:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 240 transitions. [2021-11-07 08:04:28,249 INFO L704 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-11-07 08:04:28,249 INFO L587 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-11-07 08:04:28,250 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-07 08:04:28,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 240 transitions. [2021-11-07 08:04:28,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-11-07 08:04:28,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:28,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:28,255 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [14, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-11-07 08:04:28,255 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-11-07 08:04:28,255 INFO L791 eck$LassoCheckResult]: Stem: 7304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 7305#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 7323#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 7324#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 7341#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 7342#ackermannENTRY ~m := #in~m;~n := #in~n; 7364#L17 assume !(0 == ~m); 7365#L20 assume 0 == ~n; 7345#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7346#ackermannENTRY ~m := #in~m;~n := #in~n; 7446#L17 assume !(0 == ~m); 7444#L20 assume !(0 == ~n); 7327#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7442#ackermannENTRY ~m := #in~m;~n := #in~n; 7326#L17 assume !(0 == ~m); 7328#L20 assume !(0 == ~n); 7312#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7373#ackermannENTRY ~m := #in~m;~n := #in~n; 7374#L17 assume !(0 == ~m); 7426#L20 assume 0 == ~n; 7362#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7396#ackermannENTRY ~m := #in~m;~n := #in~n; 7393#L17 assume !(0 == ~m); 7394#L20 assume !(0 == ~n); 7357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7415#ackermannENTRY ~m := #in~m;~n := #in~n; 7395#L17 assume !(0 == ~m); 7356#L20 assume 0 == ~n; 7358#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7396#ackermannENTRY ~m := #in~m;~n := #in~n; 7393#L17 assume !(0 == ~m); 7394#L20 assume !(0 == ~n); 7357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7415#ackermannENTRY ~m := #in~m;~n := #in~n; 7395#L17 assume !(0 == ~m); 7356#L20 assume 0 == ~n; 7358#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7422#ackermannENTRY ~m := #in~m;~n := #in~n; 7448#L17 assume 0 == ~m;#res := 1 + ~n; 7447#ackermannFINAL assume true; 7445#ackermannEXIT >#43#return; 7443#L21-1 #res := #t~ret7;havoc #t~ret7; 7441#ackermannFINAL assume true; 7433#ackermannEXIT >#45#return; 7430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7431#ackermannENTRY ~m := #in~m;~n := #in~n; 7450#L17 assume 0 == ~m;#res := 1 + ~n; 7449#ackermannFINAL assume true; 7429#ackermannEXIT >#47#return; 7424#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7423#ackermannFINAL assume true; 7419#ackermannEXIT >#43#return; 7418#L21-1 #res := #t~ret7;havoc #t~ret7; 7417#ackermannFINAL assume true; 7413#ackermannEXIT >#45#return; 7411#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7412#ackermannENTRY ~m := #in~m;~n := #in~n; 7487#L17 assume !(0 == ~m); 7486#L20 assume !(0 == ~n); 7321#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7355#ackermannENTRY ~m := #in~m;~n := #in~n; 7403#L17 assume !(0 == ~m); 7402#L20 assume 0 == ~n; 7343#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7344#ackermannENTRY ~m := #in~m;~n := #in~n; 7457#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7351#L21-1 #res := #t~ret7;havoc #t~ret7; 7315#ackermannFINAL assume true; 7322#ackermannEXIT >#45#return; 7309#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7306#ackermannENTRY ~m := #in~m;~n := #in~n; 7310#L17 assume 0 == ~m;#res := 1 + ~n; 7325#ackermannFINAL assume true; 7466#ackermannEXIT >#47#return; 7468#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7480#ackermannFINAL assume true; 7479#ackermannEXIT >#47#return; 7477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7476#ackermannFINAL assume true; 7472#ackermannEXIT >#43#return; 7470#L21-1 #res := #t~ret7;havoc #t~ret7; 7469#ackermannFINAL assume true; 7463#ackermannEXIT >#45#return; 7338#L23-1 [2021-11-07 08:04:28,256 INFO L793 eck$LassoCheckResult]: Loop: 7338#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7389#ackermannENTRY ~m := #in~m;~n := #in~n; 7379#L17 assume !(0 == ~m); 7377#L20 assume 0 == ~n; 7332#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7439#L20 assume !(0 == ~n); 7381#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7385#ackermannENTRY ~m := #in~m;~n := #in~n; 7380#L17 assume !(0 == ~m); 7384#L20 assume 0 == ~n; 7330#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7437#L20 assume 0 == ~n; 7331#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7437#L20 assume 0 == ~n; 7331#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7455#L21-1 #res := #t~ret7;havoc #t~ret7; 7454#ackermannFINAL assume true; 7453#ackermannEXIT >#45#return; 7435#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7436#ackermannENTRY ~m := #in~m;~n := #in~n; 7452#L17 assume 0 == ~m;#res := 1 + ~n; 7451#ackermannFINAL assume true; 7434#ackermannEXIT >#47#return; 7432#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7425#ackermannFINAL assume true; 7420#ackermannEXIT >#43#return; 7418#L21-1 #res := #t~ret7;havoc #t~ret7; 7417#ackermannFINAL assume true; 7413#ackermannEXIT >#45#return; 7411#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7412#ackermannENTRY ~m := #in~m;~n := #in~n; 7487#L17 assume !(0 == ~m); 7486#L20 assume !(0 == ~n); 7321#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7355#ackermannENTRY ~m := #in~m;~n := #in~n; 7403#L17 assume !(0 == ~m); 7402#L20 assume 0 == ~n; 7343#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7344#ackermannENTRY ~m := #in~m;~n := #in~n; 7457#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7351#L21-1 #res := #t~ret7;havoc #t~ret7; 7315#ackermannFINAL assume true; 7322#ackermannEXIT >#45#return; 7309#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7306#ackermannENTRY ~m := #in~m;~n := #in~n; 7310#L17 assume 0 == ~m;#res := 1 + ~n; 7325#ackermannFINAL assume true; 7466#ackermannEXIT >#47#return; 7468#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7480#ackermannFINAL assume true; 7479#ackermannEXIT >#47#return; 7477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7476#ackermannFINAL assume true; 7472#ackermannEXIT >#43#return; 7470#L21-1 #res := #t~ret7;havoc #t~ret7; 7469#ackermannFINAL assume true; 7463#ackermannEXIT >#45#return; 7338#L23-1 [2021-11-07 08:04:28,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2029382637, now seen corresponding path program 5 times [2021-11-07 08:04:28,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:28,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434978301] [2021-11-07 08:04:28,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:28,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-07 08:04:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 32 proven. 87 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-11-07 08:04:28,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:28,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434978301] [2021-11-07 08:04:28,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434978301] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:28,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587123528] [2021-11-07 08:04:28,421 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 08:04:28,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:28,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:28,427 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:28,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Waiting until timeout for monitored process [2021-11-07 08:04:28,976 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-11-07 08:04:28,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:28,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 08:04:28,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-11-07 08:04:29,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587123528] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:29,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:29,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-07 08:04:29,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479990492] [2021-11-07 08:04:29,231 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 08:04:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:29,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1345023226, now seen corresponding path program 3 times [2021-11-07 08:04:29,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:29,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152847146] [2021-11-07 08:04:29,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:29,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-07 08:04:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:29,359 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-07 08:04:29,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:29,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152847146] [2021-11-07 08:04:29,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152847146] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:29,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637376048] [2021-11-07 08:04:29,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 08:04:29,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:29,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:29,367 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:29,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Waiting until timeout for monitored process [2021-11-07 08:04:30,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-07 08:04:30,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:30,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 08:04:30,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 112 proven. 69 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-07 08:04:30,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637376048] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:30,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:30,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 17 [2021-11-07 08:04:30,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560338093] [2021-11-07 08:04:30,392 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:04:30,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:30,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 08:04:30,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-07 08:04:30,393 INFO L87 Difference]: Start difference. First operand 184 states and 240 transitions. cyclomatic complexity: 61 Second operand has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 12 states have internal predecessors, (37), 9 states have call successors, (12), 3 states have call predecessors, (12), 8 states have return successors, (16), 10 states have call predecessors, (16), 8 states have call successors, (16) [2021-11-07 08:04:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:30,821 INFO L93 Difference]: Finished difference Result 216 states and 293 transitions. [2021-11-07 08:04:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 08:04:30,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 293 transitions. [2021-11-07 08:04:30,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-11-07 08:04:30,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 200 states and 266 transitions. [2021-11-07 08:04:30,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 133 [2021-11-07 08:04:30,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 133 [2021-11-07 08:04:30,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 266 transitions. [2021-11-07 08:04:30,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:30,832 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-11-07 08:04:30,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 266 transitions. [2021-11-07 08:04:30,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 175. [2021-11-07 08:04:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 117 states have (on average 1.0854700854700854) internal successors, (127), 119 states have internal predecessors, (127), 36 states have call successors, (41), 24 states have call predecessors, (41), 22 states have return successors, (57), 31 states have call predecessors, (57), 29 states have call successors, (57) [2021-11-07 08:04:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 225 transitions. [2021-11-07 08:04:30,842 INFO L704 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-11-07 08:04:30,842 INFO L587 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-11-07 08:04:30,842 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-07 08:04:30,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 225 transitions. [2021-11-07 08:04:30,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2021-11-07 08:04:30,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:30,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:30,847 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [14, 13, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-11-07 08:04:30,847 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 13, 9, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4] [2021-11-07 08:04:30,847 INFO L791 eck$LassoCheckResult]: Stem: 8746#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 8747#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 8764#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 8765#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 8782#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 8783#ackermannENTRY ~m := #in~m;~n := #in~n; 8807#L17 assume !(0 == ~m); 8805#L20 assume !(0 == ~n); 8761#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8801#ackermannENTRY ~m := #in~m;~n := #in~n; 8802#L17 assume !(0 == ~m); 8795#L20 assume 0 == ~n; 8796#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8840#ackermannENTRY ~m := #in~m;~n := #in~n; 8838#L17 assume !(0 == ~m); 8839#L20 assume !(0 == ~n); 8781#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8844#ackermannENTRY ~m := #in~m;~n := #in~n; 8862#L17 assume !(0 == ~m); 8793#L20 assume 0 == ~n; 8794#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8840#ackermannENTRY ~m := #in~m;~n := #in~n; 8838#L17 assume !(0 == ~m); 8839#L20 assume !(0 == ~n); 8781#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8844#ackermannENTRY ~m := #in~m;~n := #in~n; 8862#L17 assume !(0 == ~m); 8793#L20 assume 0 == ~n; 8794#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8851#ackermannENTRY ~m := #in~m;~n := #in~n; 8879#L17 assume 0 == ~m;#res := 1 + ~n; 8877#ackermannFINAL assume true; 8875#ackermannEXIT >#43#return; 8874#L21-1 #res := #t~ret7;havoc #t~ret7; 8873#ackermannFINAL assume true; 8871#ackermannEXIT >#45#return; 8858#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8859#ackermannENTRY ~m := #in~m;~n := #in~n; 8868#L17 assume 0 == ~m;#res := 1 + ~n; 8867#ackermannFINAL assume true; 8857#ackermannEXIT >#47#return; 8855#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8853#ackermannFINAL assume true; 8850#ackermannEXIT >#43#return; 8847#L21-1 #res := #t~ret7;havoc #t~ret7; 8846#ackermannFINAL assume true; 8841#ackermannEXIT >#45#return; 8823#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8822#ackermannENTRY ~m := #in~m;~n := #in~n; 8824#L17 assume !(0 == ~m); 8914#L20 assume !(0 == ~n); 8772#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8820#L17 assume !(0 == ~m); 8821#L20 assume !(0 == ~n); 8771#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8818#L17 assume !(0 == ~m); 8817#L20 assume 0 == ~n; 8784#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8785#ackermannENTRY ~m := #in~m;~n := #in~n; 8885#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8884#L21-1 #res := #t~ret7;havoc #t~ret7; 8919#ackermannFINAL assume true; 8918#ackermannEXIT >#45#return; 8749#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8899#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8920#ackermannFINAL assume true; 8901#ackermannEXIT >#45#return; 8750#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8900#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8913#ackermannFINAL assume true; 8912#ackermannEXIT >#47#return; 8910#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8909#ackermannFINAL assume true; 8908#ackermannEXIT >#43#return; 8789#L21-1 #res := #t~ret7;havoc #t~ret7; 8790#ackermannFINAL assume true; 8766#ackermannEXIT >#45#return; 8768#L23-1 [2021-11-07 08:04:30,848 INFO L793 eck$LassoCheckResult]: Loop: 8768#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8833#ackermannENTRY ~m := #in~m;~n := #in~n; 8835#L17 assume !(0 == ~m); 8836#L20 assume !(0 == ~n); 8759#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8828#ackermannENTRY ~m := #in~m;~n := #in~n; 8830#L17 assume !(0 == ~m); 8854#L20 assume 0 == ~n; 8778#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume !(0 == ~m); 8775#L20 assume !(0 == ~n); 8779#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8845#ackermannENTRY ~m := #in~m;~n := #in~n; 8860#L17 assume !(0 == ~m); 8856#L20 assume 0 == ~n; 8777#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume !(0 == ~m); 8775#L20 assume !(0 == ~n); 8779#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8845#ackermannENTRY ~m := #in~m;~n := #in~n; 8860#L17 assume !(0 == ~m); 8856#L20 assume 0 == ~n; 8777#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8882#L21-1 #res := #t~ret7;havoc #t~ret7; 8881#ackermannFINAL assume true; 8880#ackermannEXIT >#45#return; 8865#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8866#ackermannENTRY ~m := #in~m;~n := #in~n; 8878#L17 assume 0 == ~m;#res := 1 + ~n; 8876#ackermannFINAL assume true; 8864#ackermannEXIT >#47#return; 8863#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8852#ackermannFINAL assume true; 8848#ackermannEXIT >#43#return; 8847#L21-1 #res := #t~ret7;havoc #t~ret7; 8846#ackermannFINAL assume true; 8841#ackermannEXIT >#45#return; 8823#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8822#ackermannENTRY ~m := #in~m;~n := #in~n; 8824#L17 assume !(0 == ~m); 8914#L20 assume !(0 == ~n); 8772#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8820#L17 assume !(0 == ~m); 8821#L20 assume !(0 == ~n); 8771#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8818#L17 assume !(0 == ~m); 8817#L20 assume 0 == ~n; 8784#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8785#ackermannENTRY ~m := #in~m;~n := #in~n; 8885#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8884#L21-1 #res := #t~ret7;havoc #t~ret7; 8919#ackermannFINAL assume true; 8918#ackermannEXIT >#45#return; 8749#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8899#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8920#ackermannFINAL assume true; 8901#ackermannEXIT >#45#return; 8750#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8900#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8913#ackermannFINAL assume true; 8912#ackermannEXIT >#47#return; 8910#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8909#ackermannFINAL assume true; 8908#ackermannEXIT >#43#return; 8789#L21-1 #res := #t~ret7;havoc #t~ret7; 8790#ackermannFINAL assume true; 8766#ackermannEXIT >#45#return; 8768#L23-1 [2021-11-07 08:04:30,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:30,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2095171192, now seen corresponding path program 6 times [2021-11-07 08:04:30,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:30,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098430873] [2021-11-07 08:04:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:30,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-07 08:04:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:30,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 139 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-07 08:04:31,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:31,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098430873] [2021-11-07 08:04:31,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098430873] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:31,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136255711] [2021-11-07 08:04:31,171 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 08:04:31,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:31,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:31,179 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:31,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2021-11-07 08:04:31,859 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-11-07 08:04:31,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:31,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-07 08:04:31,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 125 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-07 08:04:32,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136255711] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:32,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:32,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-11-07 08:04:32,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128924334] [2021-11-07 08:04:32,141 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 08:04:32,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -869926651, now seen corresponding path program 4 times [2021-11-07 08:04:32,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:32,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894497704] [2021-11-07 08:04:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:32,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-07 08:04:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 143 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-07 08:04:32,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:32,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894497704] [2021-11-07 08:04:32,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894497704] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:32,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168660614] [2021-11-07 08:04:32,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 08:04:32,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:32,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:32,482 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:32,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Waiting until timeout for monitored process [2021-11-07 08:04:33,064 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 08:04:33,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:33,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-07 08:04:33,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 129 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-07 08:04:33,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168660614] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:33,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:33,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-11-07 08:04:33,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554778197] [2021-11-07 08:04:33,370 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:04:33,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:33,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 08:04:33,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-11-07 08:04:33,371 INFO L87 Difference]: Start difference. First operand 175 states and 225 transitions. cyclomatic complexity: 55 Second operand has 18 states, 16 states have (on average 2.25) internal successors, (36), 13 states have internal predecessors, (36), 9 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2021-11-07 08:04:33,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:33,984 INFO L93 Difference]: Finished difference Result 221 states and 305 transitions. [2021-11-07 08:04:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 08:04:33,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 305 transitions. [2021-11-07 08:04:33,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-11-07 08:04:33,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 205 states and 279 transitions. [2021-11-07 08:04:33,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 146 [2021-11-07 08:04:33,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 146 [2021-11-07 08:04:33,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 279 transitions. [2021-11-07 08:04:33,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:33,995 INFO L681 BuchiCegarLoop]: Abstraction has 205 states and 279 transitions. [2021-11-07 08:04:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 279 transitions. [2021-11-07 08:04:34,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2021-11-07 08:04:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 123 states have (on average 1.08130081300813) internal successors, (133), 125 states have internal predecessors, (133), 39 states have call successors, (44), 24 states have call predecessors, (44), 25 states have return successors, (69), 37 states have call predecessors, (69), 32 states have call successors, (69) [2021-11-07 08:04:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 246 transitions. [2021-11-07 08:04:34,004 INFO L704 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-11-07 08:04:34,005 INFO L587 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-11-07 08:04:34,005 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-07 08:04:34,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 246 transitions. [2021-11-07 08:04:34,007 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 36 [2021-11-07 08:04:34,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:34,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:34,011 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [16, 15, 10, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-11-07 08:04:34,011 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [59, 58, 35, 24, 24, 24, 24, 24, 23, 23, 11, 11, 11, 11] [2021-11-07 08:04:34,011 INFO L791 eck$LassoCheckResult]: Stem: 10364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 10365#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 10380#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 10381#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 10399#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 10400#ackermannENTRY ~m := #in~m;~n := #in~n; 10425#L17 assume !(0 == ~m); 10423#L20 assume !(0 == ~n); 10405#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10419#ackermannENTRY ~m := #in~m;~n := #in~n; 10420#L17 assume !(0 == ~m); 10413#L20 assume 0 == ~n; 10414#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10465#ackermannENTRY ~m := #in~m;~n := #in~n; 10464#L17 assume !(0 == ~m); 10461#L20 assume !(0 == ~n); 10412#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10449#ackermannENTRY ~m := #in~m;~n := #in~n; 10466#L17 assume !(0 == ~m); 10411#L20 assume 0 == ~n; 10367#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10465#ackermannENTRY ~m := #in~m;~n := #in~n; 10464#L17 assume !(0 == ~m); 10461#L20 assume !(0 == ~n); 10412#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10449#ackermannENTRY ~m := #in~m;~n := #in~n; 10466#L17 assume !(0 == ~m); 10411#L20 assume 0 == ~n; 10367#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10366#ackermannENTRY ~m := #in~m;~n := #in~n; 10368#L17 assume 0 == ~m;#res := 1 + ~n; 10504#ackermannFINAL assume true; 10503#ackermannEXIT >#43#return; 10501#L21-1 #res := #t~ret7;havoc #t~ret7; 10500#ackermannFINAL assume true; 10486#ackermannEXIT >#45#return; 10483#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10484#ackermannENTRY ~m := #in~m;~n := #in~n; 10499#L17 assume 0 == ~m;#res := 1 + ~n; 10498#ackermannFINAL assume true; 10482#ackermannEXIT >#47#return; 10481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10477#ackermannFINAL assume true; 10474#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10427#L23-1 [2021-11-07 08:04:34,012 INFO L793 eck$LassoCheckResult]: Loop: 10427#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10494#L21-1 #res := #t~ret7;havoc #t~ret7; 10493#ackermannFINAL assume true; 10491#ackermannEXIT >#45#return; 10488#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10489#ackermannENTRY ~m := #in~m;~n := #in~n; 10492#L17 assume 0 == ~m;#res := 1 + ~n; 10490#ackermannFINAL assume true; 10487#ackermannEXIT >#47#return; 10485#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10478#ackermannFINAL assume true; 10475#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10428#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10494#L21-1 #res := #t~ret7;havoc #t~ret7; 10493#ackermannFINAL assume true; 10491#ackermannEXIT >#45#return; 10488#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10489#ackermannENTRY ~m := #in~m;~n := #in~n; 10492#L17 assume 0 == ~m;#res := 1 + ~n; 10490#ackermannFINAL assume true; 10487#ackermannEXIT >#47#return; 10485#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10478#ackermannFINAL assume true; 10475#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10428#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10524#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10548#ackermannFINAL assume true; 10470#ackermannEXIT >#45#return; 10446#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10443#ackermannENTRY ~m := #in~m;~n := #in~n; 10448#L17 assume !(0 == ~m); 10541#L20 assume !(0 == ~n); 10375#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10525#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10543#ackermannFINAL assume true; 10529#ackermannEXIT >#45#return; 10447#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10443#ackermannENTRY ~m := #in~m;~n := #in~n; 10448#L17 assume !(0 == ~m); 10541#L20 assume !(0 == ~n); 10375#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10522#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10537#ackermannFINAL assume true; 10519#ackermannEXIT >#47#return; 10520#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10546#ackermannFINAL assume true; 10545#ackermannEXIT >#45#return; 10427#L23-1 [2021-11-07 08:04:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:34,013 INFO L85 PathProgramCache]: Analyzing trace with hash 478890302, now seen corresponding path program 7 times [2021-11-07 08:04:34,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:34,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876788192] [2021-11-07 08:04:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:34,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:34,041 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:04:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:04:34,074 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:04:34,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:34,075 INFO L85 PathProgramCache]: Analyzing trace with hash 888511461, now seen corresponding path program 5 times [2021-11-07 08:04:34,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:34,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048208253] [2021-11-07 08:04:34,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:34,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-07 08:04:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-07 08:04:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-07 08:04:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-07 08:04:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-07 08:04:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 1382 proven. 1901 refuted. 0 times theorem prover too weak. 4955 trivial. 0 not checked. [2021-11-07 08:04:35,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:35,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048208253] [2021-11-07 08:04:35,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048208253] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:35,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039503088] [2021-11-07 08:04:35,554 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 08:04:35,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:35,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:35,559 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:35,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Waiting until timeout for monitored process [2021-11-07 08:04:36,223 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-11-07 08:04:36,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:36,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-07 08:04:36,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 787 proven. 1614 refuted. 0 times theorem prover too weak. 5837 trivial. 0 not checked. [2021-11-07 08:04:37,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039503088] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:37,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:37,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 35 [2021-11-07 08:04:37,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94920484] [2021-11-07 08:04:37,515 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:04:37,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:04:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-07 08:04:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1076, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 08:04:37,517 INFO L87 Difference]: Start difference. First operand 187 states and 246 transitions. cyclomatic complexity: 64 Second operand has 35 states, 25 states have (on average 2.16) internal successors, (54), 20 states have internal predecessors, (54), 18 states have call successors, (22), 1 states have call predecessors, (22), 18 states have return successors, (42), 28 states have call predecessors, (42), 18 states have call successors, (42) [2021-11-07 08:04:40,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:04:40,618 INFO L93 Difference]: Finished difference Result 343 states and 494 transitions. [2021-11-07 08:04:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-07 08:04:40,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 343 states and 494 transitions. [2021-11-07 08:04:40,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-11-07 08:04:40,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 343 states to 308 states and 429 transitions. [2021-11-07 08:04:40,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 229 [2021-11-07 08:04:40,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2021-11-07 08:04:40,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 429 transitions. [2021-11-07 08:04:40,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:04:40,633 INFO L681 BuchiCegarLoop]: Abstraction has 308 states and 429 transitions. [2021-11-07 08:04:40,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 429 transitions. [2021-11-07 08:04:40,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 260. [2021-11-07 08:04:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 167 states have (on average 1.0658682634730539) internal successors, (178), 170 states have internal predecessors, (178), 56 states have call successors, (61), 30 states have call predecessors, (61), 37 states have return successors, (104), 59 states have call predecessors, (104), 48 states have call successors, (104) [2021-11-07 08:04:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 343 transitions. [2021-11-07 08:04:40,646 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-11-07 08:04:40,646 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-11-07 08:04:40,646 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-07 08:04:40,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 343 transitions. [2021-11-07 08:04:40,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-11-07 08:04:40,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:04:40,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:04:40,693 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [67, 66, 39, 28, 28, 28, 28, 27, 27, 27, 11, 11, 11, 11, 1, 1, 1, 1, 1] [2021-11-07 08:04:40,694 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [334, 333, 190, 144, 144, 144, 144, 144, 143, 143, 46, 46, 46, 46] [2021-11-07 08:04:40,694 INFO L791 eck$LassoCheckResult]: Stem: 14292#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 14293#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 14311#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 14312#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 14341#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 14342#ackermannENTRY ~m := #in~m;~n := #in~n; 14378#L17 assume !(0 == ~m); 14376#L20 assume !(0 == ~n); 14305#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14372#ackermannENTRY ~m := #in~m;~n := #in~n; 14373#L17 assume !(0 == ~m); 14367#L20 assume 0 == ~n; 14368#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14393#ackermannENTRY ~m := #in~m;~n := #in~n; 14392#L17 assume !(0 == ~m); 14386#L20 assume !(0 == ~n); 14365#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14401#ackermannENTRY ~m := #in~m;~n := #in~n; 14387#L17 assume !(0 == ~m); 14363#L20 assume 0 == ~n; 14366#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14393#ackermannENTRY ~m := #in~m;~n := #in~n; 14392#L17 assume !(0 == ~m); 14386#L20 assume !(0 == ~n); 14365#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14401#ackermannENTRY ~m := #in~m;~n := #in~n; 14387#L17 assume !(0 == ~m); 14363#L20 assume 0 == ~n; 14366#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14393#ackermannENTRY ~m := #in~m;~n := #in~n; 14392#L17 assume !(0 == ~m); 14386#L20 assume !(0 == ~n); 14365#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14401#ackermannENTRY ~m := #in~m;~n := #in~n; 14387#L17 assume !(0 == ~m); 14363#L20 assume 0 == ~n; 14366#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14405#ackermannENTRY ~m := #in~m;~n := #in~n; 14463#L17 assume 0 == ~m;#res := 1 + ~n; 14462#ackermannFINAL assume true; 14461#ackermannEXIT >#43#return; 14460#L21-1 #res := #t~ret7;havoc #t~ret7; 14459#ackermannFINAL assume true; 14457#ackermannEXIT >#45#return; 14433#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14434#ackermannENTRY ~m := #in~m;~n := #in~n; 14438#L17 assume 0 == ~m;#res := 1 + ~n; 14437#ackermannFINAL assume true; 14432#ackermannEXIT >#47#return; 14428#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14426#ackermannFINAL assume true; 14424#ackermannEXIT >#43#return; 14421#L21-1 #res := #t~ret7;havoc #t~ret7; 14420#ackermannFINAL assume true; 14419#ackermannEXIT >#45#return; 14417#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14418#ackermannENTRY ~m := #in~m;~n := #in~n; 14485#L17 assume !(0 == ~m); 14484#L20 assume !(0 == ~n); 14448#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14322#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14475#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14466#ackermannFINAL assume true; 14416#ackermannEXIT >#47#return; 14410#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14406#ackermannFINAL assume true; 14404#ackermannEXIT >#43#return; 14403#L21-1 #res := #t~ret7;havoc #t~ret7; 14402#ackermannFINAL assume true; 14395#ackermannEXIT >#45#return; 14396#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14500#ackermannENTRY ~m := #in~m;~n := #in~n; 14518#L17 assume !(0 == ~m); 14517#L20 assume !(0 == ~n); 14357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14296#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14504#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14502#ackermannFINAL assume true; 14498#ackermannEXIT >#47#return; 14497#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14496#ackermannFINAL assume true; 14493#ackermannEXIT >#43#return; 14495#L21-1 #res := #t~ret7;havoc #t~ret7; 14546#ackermannFINAL assume true; 14313#ackermannEXIT >#45#return; 14316#L23-1 [2021-11-07 08:04:40,698 INFO L793 eck$LassoCheckResult]: Loop: 14316#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14474#ackermannENTRY ~m := #in~m;~n := #in~n; 14326#L17 assume !(0 == ~m); 14331#L20 assume !(0 == ~n); 14306#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14411#L17 assume !(0 == ~m); 14408#L20 assume 0 == ~n; 14400#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14407#ackermannENTRY ~m := #in~m;~n := #in~n; 14469#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14421#L21-1 #res := #t~ret7;havoc #t~ret7; 14420#ackermannFINAL assume true; 14419#ackermannEXIT >#45#return; 14417#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14418#ackermannENTRY ~m := #in~m;~n := #in~n; 14485#L17 assume !(0 == ~m); 14484#L20 assume !(0 == ~n); 14448#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14322#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14475#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14466#ackermannFINAL assume true; 14416#ackermannEXIT >#47#return; 14410#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14406#ackermannFINAL assume true; 14404#ackermannEXIT >#43#return; 14403#L21-1 #res := #t~ret7;havoc #t~ret7; 14402#ackermannFINAL assume true; 14395#ackermannEXIT >#45#return; 14396#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14500#ackermannENTRY ~m := #in~m;~n := #in~n; 14518#L17 assume !(0 == ~m); 14517#L20 assume !(0 == ~n); 14357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14296#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14504#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14502#ackermannFINAL assume true; 14498#ackermannEXIT >#47#return; 14497#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14496#ackermannFINAL assume true; 14493#ackermannEXIT >#43#return; 14495#L21-1 #res := #t~ret7;havoc #t~ret7; 14546#ackermannFINAL assume true; 14313#ackermannEXIT >#45#return; 14317#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14474#ackermannENTRY ~m := #in~m;~n := #in~n; 14326#L17 assume !(0 == ~m); 14331#L20 assume !(0 == ~n); 14306#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14411#L17 assume !(0 == ~m); 14408#L20 assume 0 == ~n; 14400#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14407#ackermannENTRY ~m := #in~m;~n := #in~n; 14469#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14421#L21-1 #res := #t~ret7;havoc #t~ret7; 14420#ackermannFINAL assume true; 14419#ackermannEXIT >#45#return; 14417#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14418#ackermannENTRY ~m := #in~m;~n := #in~n; 14485#L17 assume !(0 == ~m); 14484#L20 assume !(0 == ~n); 14448#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14322#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14475#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14466#ackermannFINAL assume true; 14416#ackermannEXIT >#47#return; 14410#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14406#ackermannFINAL assume true; 14404#ackermannEXIT >#43#return; 14403#L21-1 #res := #t~ret7;havoc #t~ret7; 14402#ackermannFINAL assume true; 14395#ackermannEXIT >#45#return; 14396#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14500#ackermannENTRY ~m := #in~m;~n := #in~n; 14518#L17 assume !(0 == ~m); 14517#L20 assume !(0 == ~n); 14357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14296#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14504#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14502#ackermannFINAL assume true; 14498#ackermannEXIT >#47#return; 14497#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14496#ackermannFINAL assume true; 14493#ackermannEXIT >#43#return; 14495#L21-1 #res := #t~ret7;havoc #t~ret7; 14546#ackermannFINAL assume true; 14313#ackermannEXIT >#45#return; 14317#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14474#ackermannENTRY ~m := #in~m;~n := #in~n; 14326#L17 assume !(0 == ~m); 14331#L20 assume !(0 == ~n); 14306#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14411#L17 assume !(0 == ~m); 14408#L20 assume 0 == ~n; 14400#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14407#ackermannENTRY ~m := #in~m;~n := #in~n; 14469#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14525#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14551#ackermannFINAL assume true; 14550#ackermannEXIT >#45#return; 14337#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14380#ackermannENTRY ~m := #in~m;~n := #in~n; 14381#L17 assume !(0 == ~m); 14535#L20 assume !(0 == ~n); 14358#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14549#ackermannFINAL assume true; 14548#ackermannEXIT >#45#return; 14336#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14380#ackermannENTRY ~m := #in~m;~n := #in~n; 14381#L17 assume !(0 == ~m); 14535#L20 assume !(0 == ~n); 14358#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14526#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14542#ackermannFINAL assume true; 14533#ackermannEXIT >#45#return; 14338#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14380#ackermannENTRY ~m := #in~m;~n := #in~n; 14381#L17 assume !(0 == ~m); 14535#L20 assume !(0 == ~n); 14358#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14540#ackermannFINAL assume true; 14529#ackermannEXIT >#47#return; 14530#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14547#ackermannFINAL assume true; 14545#ackermannEXIT >#45#return; 14316#L23-1 [2021-11-07 08:04:40,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:40,700 INFO L85 PathProgramCache]: Analyzing trace with hash -358725784, now seen corresponding path program 8 times [2021-11-07 08:04:40,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:40,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375858651] [2021-11-07 08:04:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:40,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-07 08:04:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-07 08:04:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 08:04:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-07 08:04:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-07 08:04:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10643 backedges. 1002 proven. 2417 refuted. 0 times theorem prover too weak. 7224 trivial. 0 not checked. [2021-11-07 08:04:42,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:42,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375858651] [2021-11-07 08:04:42,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375858651] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:42,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095324079] [2021-11-07 08:04:42,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:04:42,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:42,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:42,819 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:42,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Waiting until timeout for monitored process [2021-11-07 08:04:44,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 08:04:44,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:44,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 08:04:44,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:04:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10643 backedges. 372 proven. 1768 refuted. 0 times theorem prover too weak. 8503 trivial. 0 not checked. [2021-11-07 08:04:45,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095324079] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:45,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:04:45,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10] total 34 [2021-11-07 08:04:45,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076992392] [2021-11-07 08:04:45,157 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 08:04:45,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:04:45,158 INFO L85 PathProgramCache]: Analyzing trace with hash 853391365, now seen corresponding path program 6 times [2021-11-07 08:04:45,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:04:45,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454281469] [2021-11-07 08:04:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:04:45,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:04:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-07 08:04:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-07 08:04:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 08:04:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-07 08:04:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-07 08:04:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-07 08:04:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-07 08:04:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 08:04:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-07 08:04:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-07 08:04:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:54,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-07 08:04:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 08:04:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-07 08:04:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-07 08:04:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-07 08:04:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 08:04:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-07 08:04:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-07 08:04:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-11-07 08:04:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 08:04:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-07 08:04:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-07 08:04:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2021-11-07 08:04:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-07 08:04:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 08:04:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-07 08:04:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-07 08:04:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-07 08:04:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-07 08:04:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-07 08:04:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-07 08:04:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-07 08:04:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:04:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 272548 backedges. 1923 proven. 16966 refuted. 0 times theorem prover too weak. 253659 trivial. 0 not checked. [2021-11-07 08:04:56,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:04:56,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454281469] [2021-11-07 08:04:56,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454281469] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:04:56,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187003501] [2021-11-07 08:04:56,633 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 08:04:56,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:04:56,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:04:56,639 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:04:56,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Waiting until timeout for monitored process [2021-11-07 08:04:57,766 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2021-11-07 08:04:57,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 08:04:57,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-07 08:04:57,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:05:02,387 INFO L134 CoverageAnalysis]: Checked inductivity of 272548 backedges. 65003 proven. 423 refuted. 0 times theorem prover too weak. 207122 trivial. 0 not checked. [2021-11-07 08:05:02,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187003501] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:05:02,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:05:02,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 29 [2021-11-07 08:05:02,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652947915] [2021-11-07 08:05:02,392 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:05:02,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:05:02,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-07 08:05:02,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1013, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 08:05:02,394 INFO L87 Difference]: Start difference. First operand 260 states and 343 transitions. cyclomatic complexity: 89 Second operand has 34 states, 30 states have (on average 2.1666666666666665) internal successors, (65), 24 states have internal predecessors, (65), 18 states have call successors, (21), 2 states have call predecessors, (21), 18 states have return successors, (35), 20 states have call predecessors, (35), 17 states have call successors, (35) [2021-11-07 08:05:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:05:05,360 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2021-11-07 08:05:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 08:05:05,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 241 transitions. [2021-11-07 08:05:05,364 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:05:05,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 0 states and 0 transitions. [2021-11-07 08:05:05,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-07 08:05:05,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-07 08:05:05,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-07 08:05:05,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:05:05,364 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:05:05,364 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:05:05,365 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:05:05,365 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-07 08:05:05,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:05:05,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:05:05,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-07 08:05:05,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:05:05 BoogieIcfgContainer [2021-11-07 08:05:05,371 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:05:05,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:05:05,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:05:05,373 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:05:05,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:03:43" (3/4) ... [2021-11-07 08:05:05,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:05:05,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:05:05,378 INFO L168 Benchmark]: Toolchain (without parser) took 82276.21 ms. Allocated memory was 102.8 MB in the beginning and 673.2 MB in the end (delta: 570.4 MB). Free memory was 72.2 MB in the beginning and 325.9 MB in the end (delta: -253.7 MB). Peak memory consumption was 316.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:05:05,378 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:05:05,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.60 ms. Allocated memory is still 102.8 MB. Free memory was 72.2 MB in the beginning and 81.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:05:05,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 102.8 MB. Free memory was 81.3 MB in the beginning and 79.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:05:05,380 INFO L168 Benchmark]: Boogie Preprocessor took 24.45 ms. Allocated memory is still 102.8 MB. Free memory was 79.8 MB in the beginning and 79.3 MB in the end (delta: 552.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:05:05,380 INFO L168 Benchmark]: RCFGBuilder took 424.84 ms. Allocated memory is still 102.8 MB. Free memory was 78.8 MB in the beginning and 69.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:05:05,381 INFO L168 Benchmark]: BuchiAutomizer took 81505.63 ms. Allocated memory was 102.8 MB in the beginning and 673.2 MB in the end (delta: 570.4 MB). Free memory was 69.4 MB in the beginning and 325.9 MB in the end (delta: -256.6 MB). Peak memory consumption was 315.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:05:05,381 INFO L168 Benchmark]: Witness Printer took 4.04 ms. Allocated memory is still 673.2 MB. Free memory is still 325.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:05:05,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 270.60 ms. Allocated memory is still 102.8 MB. Free memory was 72.2 MB in the beginning and 81.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 102.8 MB. Free memory was 81.3 MB in the beginning and 79.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.45 ms. Allocated memory is still 102.8 MB. Free memory was 79.8 MB in the beginning and 79.3 MB in the end (delta: 552.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 424.84 ms. Allocated memory is still 102.8 MB. Free memory was 78.8 MB in the beginning and 69.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 81505.63 ms. Allocated memory was 102.8 MB in the beginning and 673.2 MB in the end (delta: 570.4 MB). Free memory was 69.4 MB in the beginning and 325.9 MB in the end (delta: -256.6 MB). Peak memory consumption was 315.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.04 ms. Allocated memory is still 673.2 MB. Free memory is still 325.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 16 terminating modules (10 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -2 * \old(n) + 1 and consists of 4 locations. One deterministic module has affine ranking function n and consists of 8 locations. One deterministic module has affine ranking function m and consists of 10 locations. One deterministic module has affine ranking function m and consists of 8 locations. One nondeterministic module has affine ranking function n and consists of 8 locations. One nondeterministic module has affine ranking function \old(n) and consists of 15 locations. 10 modules have a trivial ranking function, the largest among these consists of 35 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 81.3s and 16 iterations. TraceHistogramMax:334. Analysis of lassos took 61.9s. Construction of modules took 3.5s. Büchi inclusion checks took 15.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 15. Automata minimization 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 199 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 260 states and ocurred in iteration 14. Nontrivial modules had stage [1, 3, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 7/12 HoareTripleCheckerStatistics: 414 SDtfs, 728 SDslu, 1171 SDs, 0 SdLazy, 4351 SolverSat, 1797 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT1 conc0 concLT1 SILN2 SILU0 SILI4 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital56 mio100 ax100 hnf99 lsp62 ukn84 mio100 lsp87 div100 bol100 ite100 ukn100 eq195 hnf93 smp95 dnf149 smp100 tf104 neg95 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 41 LassoNonterminationAnalysisSatUnbounded: 6 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 12.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-07 08:05:05,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:05,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:05,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:06,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:06,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:06,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:06,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:06,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Ended with exit code 0 [2021-11-07 08:05:07,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:07,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:07,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:07,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Forceful destruction successful, exit code 0 [2021-11-07 08:05:07,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329574a6-2578-4d39-8afb-cd655ec0bee5/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE