./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_23.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G --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 64bit --witnessprinter.graph.data.programhash fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:38:53,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:38:53,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:38:53,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:38:53,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:38:53,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:38:53,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:38:53,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:38:53,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:38:53,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:38:53,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:38:53,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:38:53,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:38:53,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:38:53,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:38:53,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:38:53,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:38:53,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:38:53,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:38:53,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:38:53,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:38:53,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:38:53,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:38:53,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:38:53,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:38:53,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:38:53,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:38:53,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:38:53,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:38:53,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:38:53,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:38:53,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:38:53,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:38:53,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:38:53,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:38:53,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:38:53,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:38:53,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:38:53,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:38:53,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:38:53,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:38:53,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 13:38:53,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:38:53,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:38:53,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:38:53,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:38:53,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:38:53,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:38:53,684 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:38:53,684 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:38:53,684 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:38:53,684 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:38:53,686 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:38:53,686 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:38:53,687 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:38:53,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:38:53,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:38:53,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:38:53,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:38:53,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:38:53,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:38:53,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:38:53,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:38:53,689 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:38:53,689 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:38:53,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:38:53,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:38:53,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:38:53,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:38:53,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:38:53,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:38:53,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:38:53,695 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_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf [2021-11-23 13:38:54,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:38:54,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:38:54,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:38:54,086 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:38:54,087 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:38:54,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-restricted-15/NO_23.c [2021-11-23 13:38:54,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/data/10e201de5/3d34e2f37d2949ad93b5d4e448538c94/FLAG2797358d3 [2021-11-23 13:38:54,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:38:54,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/sv-benchmarks/c/termination-restricted-15/NO_23.c [2021-11-23 13:38:54,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/data/10e201de5/3d34e2f37d2949ad93b5d4e448538c94/FLAG2797358d3 [2021-11-23 13:38:55,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/data/10e201de5/3d34e2f37d2949ad93b5d4e448538c94 [2021-11-23 13:38:55,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:38:55,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:38:55,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:38:55,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:38:55,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:38:55,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aea9d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55, skipping insertion in model container [2021-11-23 13:38:55,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:38:55,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:38:55,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:38:55,381 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:38:55,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:38:55,422 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:38:55,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55 WrapperNode [2021-11-23 13:38:55,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:38:55,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:38:55,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:38:55,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:38:55,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,478 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2021-11-23 13:38:55,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:38:55,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:38:55,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:38:55,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:38:55,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:38:55,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:38:55,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:38:55,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:38:55,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (1/1) ... [2021-11-23 13:38:55,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:55,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:55,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:55,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:38:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:38:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:38:55,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:38:55,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:38:55,748 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:38:55,757 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:38:55,757 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:38:55,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:38:55 BoogieIcfgContainer [2021-11-23 13:38:55,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:38:55,761 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:38:55,762 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:38:55,766 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:38:55,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:38:55,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:38:55" (1/3) ... [2021-11-23 13:38:55,769 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45dda147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:38:55, skipping insertion in model container [2021-11-23 13:38:55,770 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:38:55,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:55" (2/3) ... [2021-11-23 13:38:55,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45dda147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:38:55, skipping insertion in model container [2021-11-23 13:38:55,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:38:55,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:38:55" (3/3) ... [2021-11-23 13:38:55,773 INFO L388 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2021-11-23 13:38:55,841 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:38:55,841 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:38:55,841 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:38:55,841 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:38:55,841 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:38:55,842 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:38:55,842 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:38:55,842 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:38:55,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:55,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:38:55,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:38:55,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:38:55,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 13:38:55,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:38:55,884 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:38:55,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:55,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:38:55,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:38:55,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:38:55,886 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 13:38:55,886 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:38:55,893 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 4#L10-2true [2021-11-23 13:38:55,893 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0#1 < 100); 6#L10true assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 4#L10-2true [2021-11-23 13:38:55,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:55,901 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 13:38:55,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:55,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491597858] [2021-11-23 13:38:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:55,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:55,995 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:56,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-11-23 13:38:56,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:56,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133129576] [2021-11-23 13:38:56,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:56,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:56,045 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:56,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-11-23 13:38:56,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:56,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376227419] [2021-11-23 13:38:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:56,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:38:56,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:38:56,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376227419] [2021-11-23 13:38:56,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376227419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:38:56,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:38:56,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:38:56,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338487009] [2021-11-23 13:38:56,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:38:56,184 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:56,185 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:56,185 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:56,185 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:56,185 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:38:56,185 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,186 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:56,186 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:56,186 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2021-11-23 13:38:56,186 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:56,187 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:56,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:56,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:56,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:56,319 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:56,319 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:38:56,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:56,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:56,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 13:38:56,375 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:38:56,375 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:38:56,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:56,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:56,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:56,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 13:38:56,470 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:38:56,471 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:38:56,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:56,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,501 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:38:56,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:56,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:56,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:56,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:38:56,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:38:56,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:56,612 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:38:56,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:56,641 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:56,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:56,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:56,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:56,642 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:38:56,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:56,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:56,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2021-11-23 13:38:56,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:56,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:56,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:56,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:56,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:56,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:56,712 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:38:56,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 13:38:56,723 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 [2021-11-23 13:38:56,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:56,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:56,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:56,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:56,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:38:56,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:38:56,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:56,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:56,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,797 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 13:38:56,799 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 [2021-11-23 13:38:56,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:56,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:56,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:56,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:56,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:38:56,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:38:56,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:56,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-23 13:38:56,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,915 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 13:38:56,921 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 [2021-11-23 13:38:56,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:56,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:38:56,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:56,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:56,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:56,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:38:56,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:38:56,946 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:38:56,949 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-23 13:38:56,949 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 13:38:56,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:56,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:56,952 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:56,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 13:38:56,956 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:38:56,956 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 13:38:56,956 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:38:56,957 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-23 13:38:56,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:56,983 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 13:38:57,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:57,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:38:57,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:57,062 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:38:57,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:38:57,156 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 13:38:57,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:57,225 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 6 states. [2021-11-23 13:38:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-23 13:38:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-23 13:38:57,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-23 13:38:57,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:57,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-23 13:38:57,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:57,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-23 13:38:57,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:57,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-11-23 13:38:57,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:38:57,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2021-11-23 13:38:57,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-11-23 13:38:57,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-11-23 13:38:57,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-11-23 13:38:57,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 13:38:57,268 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-11-23 13:38:57,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-11-23 13:38:57,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-23 13:38:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2021-11-23 13:38:57,301 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-11-23 13:38:57,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:38:57,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:38:57,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:38:57,310 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:57,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:38:57,326 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2021-11-23 13:38:57,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:38:57,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2021-11-23 13:38:57,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:38:57,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 7 transitions. [2021-11-23 13:38:57,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-11-23 13:38:57,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-11-23 13:38:57,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2021-11-23 13:38:57,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:38:57,332 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-11-23 13:38:57,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2021-11-23 13:38:57,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-23 13:38:57,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:57,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-11-23 13:38:57,335 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-11-23 13:38:57,335 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-11-23 13:38:57,336 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 13:38:57,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2021-11-23 13:38:57,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:38:57,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:38:57,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:38:57,343 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-23 13:38:57,344 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:38:57,345 INFO L791 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 87#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 89#L10-2 assume !!(main_~i~0#1 < 100); 88#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 84#L10-2 [2021-11-23 13:38:57,346 INFO L793 eck$LassoCheckResult]: Loop: 84#L10-2 assume !!(main_~i~0#1 < 100); 85#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 84#L10-2 [2021-11-23 13:38:57,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:57,355 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2021-11-23 13:38:57,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:57,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456719697] [2021-11-23 13:38:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:57,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:57,365 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:57,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2021-11-23 13:38:57,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:57,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309923869] [2021-11-23 13:38:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:57,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:57,395 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:57,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:57,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:57,404 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2021-11-23 13:38:57,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:57,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872865664] [2021-11-23 13:38:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:57,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:57,424 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:57,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:57,471 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:57,472 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:57,472 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:57,472 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:57,472 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:38:57,473 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:57,473 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:57,473 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:57,473 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2021-11-23 13:38:57,474 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:57,474 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:57,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:57,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:57,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:57,575 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:57,575 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:38:57,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:57,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:57,579 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:57,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:57,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:57,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 13:38:57,639 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:38:57,639 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:38:57,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:57,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:57,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:57,679 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:57,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:57,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:57,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 13:38:57,708 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:38:57,708 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:38:57,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:57,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:57,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:57,751 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:57,759 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:57,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:57,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 13:38:57,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:57,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:57,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:57,827 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:57,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:38:57,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:57,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 13:38:57,857 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:38:57,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:57,894 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:57,894 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:57,894 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:57,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:57,895 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:38:57,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:57,895 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:57,895 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:57,895 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2021-11-23 13:38:57,895 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:57,895 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:57,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:57,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:57,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:57,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:57,956 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:38:57,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:57,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:57,957 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:57,971 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 [2021-11-23 13:38:57,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:57,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:57,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:57,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:57,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:38:57,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:38:57,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 13:38:58,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:58,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,048 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,054 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 [2021-11-23 13:38:58,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 13:38:58,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:58,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:58,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:58,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:58,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:38:58,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:38:58,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:58,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,131 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,138 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 [2021-11-23 13:38:58,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:58,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:38:58,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:58,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:58,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:58,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:38:58,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:38:58,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 13:38:58,170 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:38:58,175 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 13:38:58,175 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-23 13:38:58,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,177 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:38:58,186 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 13:38:58,186 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:38:58,186 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-23 13:38:58,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 13:38:58,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,228 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 13:38:58,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:58,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:38:58,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:58,263 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:38:58,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:38:58,271 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 13:38:58,272 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:58,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 13 transitions. Complement of second has 5 states. [2021-11-23 13:38:58,290 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 [2021-11-23 13:38:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-11-23 13:38:58,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-23 13:38:58,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:58,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-23 13:38:58,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:58,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2021-11-23 13:38:58,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:58,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2021-11-23 13:38:58,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:38:58,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2021-11-23 13:38:58,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-23 13:38:58,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-23 13:38:58,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-11-23 13:38:58,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 13:38:58,300 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-23 13:38:58,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-11-23 13:38:58,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-23 13:38:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-11-23 13:38:58,303 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-23 13:38:58,303 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-23 13:38:58,303 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 13:38:58,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-11-23 13:38:58,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:38:58,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:38:58,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:38:58,307 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2021-11-23 13:38:58,307 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:38:58,308 INFO L791 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 144#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 145#L10-2 assume !!(main_~i~0#1 < 100); 147#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 146#L10-2 assume !!(main_~i~0#1 < 100); 142#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 138#L10-2 [2021-11-23 13:38:58,308 INFO L793 eck$LassoCheckResult]: Loop: 138#L10-2 assume !!(main_~i~0#1 < 100); 139#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 138#L10-2 [2021-11-23 13:38:58,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:58,309 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2021-11-23 13:38:58,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:58,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859589189] [2021-11-23 13:38:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:58,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:38:58,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:38:58,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859589189] [2021-11-23 13:38:58,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859589189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:38:58,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:38:58,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:38:58,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138601824] [2021-11-23 13:38:58,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:38:58,331 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-23 13:38:58,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:58,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2021-11-23 13:38:58,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:58,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418288739] [2021-11-23 13:38:58,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:58,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:58,336 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:58,340 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:58,361 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:58,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:58,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:58,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:58,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:38:58,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:58,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:58,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2021-11-23 13:38:58,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:58,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:58,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:58,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:58,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:58,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:58,422 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:38:58,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,427 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:58,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:58,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 13:38:58,466 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:38:58,467 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:38:58,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,504 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 13:38:58,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:58,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:58,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,567 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 13:38:58,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:38:58,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:58,602 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:38:58,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,636 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:58,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:58,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:58,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:58,636 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:38:58,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:58,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:58,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2021-11-23 13:38:58,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:58,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:58,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:58,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:58,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:58,699 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:58,699 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:38:58,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,701 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,711 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 [2021-11-23 13:38:58,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 13:38:58,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:58,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:38:58,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:58,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:58,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:58,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:38:58,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:38:58,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:38:58,739 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-23 13:38:58,739 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 13:38:58,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:58,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:58,741 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:58,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 13:38:58,747 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:38:58,747 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 13:38:58,747 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:38:58,747 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-23 13:38:58,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,791 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 13:38:58,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:58,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:38:58,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:58,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:58,923 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:38:58,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:38:58,945 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 13:38:58,945 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:58,969 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2021-11-23 13:38:58,970 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 [2021-11-23 13:38:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-11-23 13:38:58,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-23 13:38:58,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:58,972 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 13:38:58,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:58,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:59,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:38:59,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:59,034 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:38:59,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:38:59,043 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 13:38:59,043 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:59,053 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2021-11-23 13:38:59,053 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 [2021-11-23 13:38:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-11-23 13:38:59,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-23 13:38:59,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:59,055 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-23 13:38:59,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:59,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:38:59,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:38:59,097 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:38:59,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:38:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:38:59,107 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 13:38:59,108 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:59,124 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 20 transitions. Complement of second has 4 states. [2021-11-23 13:38:59,125 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 [2021-11-23 13:38:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-11-23 13:38:59,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-23 13:38:59,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:59,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-23 13:38:59,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:59,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-23 13:38:59,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:38:59,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2021-11-23 13:38:59,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 13:38:59,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 16 transitions. [2021-11-23 13:38:59,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-11-23 13:38:59,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-23 13:38:59,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-11-23 13:38:59,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 13:38:59,139 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-11-23 13:38:59,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-11-23 13:38:59,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2021-11-23 13:38:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2021-11-23 13:38:59,142 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-11-23 13:38:59,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:38:59,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:38:59,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:38:59,144 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:59,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:38:59,156 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2021-11-23 13:38:59,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:38:59,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-11-23 13:38:59,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-23 13:38:59,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 9 transitions. [2021-11-23 13:38:59,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-11-23 13:38:59,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-11-23 13:38:59,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2021-11-23 13:38:59,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-23 13:38:59,167 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-23 13:38:59,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2021-11-23 13:38:59,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-11-23 13:38:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:38:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2021-11-23 13:38:59,170 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-11-23 13:38:59,170 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-11-23 13:38:59,170 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 13:38:59,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2021-11-23 13:38:59,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-23 13:38:59,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:38:59,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:38:59,171 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 13:38:59,171 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2021-11-23 13:38:59,172 INFO L791 eck$LassoCheckResult]: Stem: 306#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 307#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 308#L10-2 assume !!(main_~i~0#1 < 100); 305#L10 [2021-11-23 13:38:59,172 INFO L793 eck$LassoCheckResult]: Loop: 305#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 302#L10-2 assume !!(main_~i~0#1 < 100); 303#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 304#L10-2 assume !!(main_~i~0#1 < 100); 305#L10 [2021-11-23 13:38:59,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:59,173 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-23 13:38:59,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:59,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892242154] [2021-11-23 13:38:59,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:59,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:59,188 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:59,197 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:59,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:59,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 1 times [2021-11-23 13:38:59,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:59,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504353509] [2021-11-23 13:38:59,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:59,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:59,209 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:59,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:59,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:38:59,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 2 times [2021-11-23 13:38:59,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:38:59,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191912779] [2021-11-23 13:38:59,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:38:59,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:38:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:59,249 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:38:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:38:59,254 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:38:59,314 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:59,315 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:59,315 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:59,315 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:59,315 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:38:59,315 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,316 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:59,316 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:59,316 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2021-11-23 13:38:59,316 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:59,316 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:59,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,371 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:59,371 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:38:59,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,374 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:59,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:59,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 13:38:59,406 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:38:59,407 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:38:59,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-23 13:38:59,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,434 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 13:38:59,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:59,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:59,474 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:38:59,474 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:38:59,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:59,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,496 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:38:59,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:59,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 13:38:59,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:59,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,554 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:38:59,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:38:59,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 13:38:59,601 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:38:59,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:59,603 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:38:59,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:38:59,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:38:59,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:38:59,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:38:59,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:38:59,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:38:59,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2021-11-23 13:38:59,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:38:59,604 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:38:59,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:38:59,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:38:59,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:38:59,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,676 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,683 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 [2021-11-23 13:38:59,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:59,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:38:59,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:59,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:59,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:59,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:38:59,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:38:59,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 13:38:59,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:59,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:59,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,743 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,747 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 [2021-11-23 13:38:59,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:59,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:59,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:59,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:59,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:38:59,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:38:59,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 13:38:59,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:59,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:59,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,819 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,821 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 [2021-11-23 13:38:59,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:59,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:59,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:59,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:59,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:38:59,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:38:59,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 13:38:59,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:59,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:59,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,894 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,897 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 [2021-11-23 13:38:59,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:59,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:59,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:59,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:38:59,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:38:59,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:38:59,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 13:38:59,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:38:59,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 13:38:59,962 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 13:38:59,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:38:59,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:38:59,966 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:38:59,969 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 [2021-11-23 13:38:59,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:38:59,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:38:59,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:38:59,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:38:59,978 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:38:59,979 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:38:59,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:38:59,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 13:38:59,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,019 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 13:39:00,022 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 [2021-11-23 13:39:00,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,032 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:39:00,037 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:39:00,037 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:39:00,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-23 13:39:00,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,087 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,099 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 [2021-11-23 13:39:00,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,109 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:39:00,122 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:39:00,122 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:39:00,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 13:39:00,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-23 13:39:00,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,173 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,175 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 [2021-11-23 13:39:00,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,185 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:39:00,188 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:39:00,188 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:39:00,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 13:39:00,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,243 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 13:39:00,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,246 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,251 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 [2021-11-23 13:39:00,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:39:00,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,262 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:00,263 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:39:00,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:39:00,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 13:39:00,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,309 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,312 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 [2021-11-23 13:39:00,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,323 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:00,329 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:00,329 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:00,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 13:39:00,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,399 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,402 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 [2021-11-23 13:39:00,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,413 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:00,417 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:00,417 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:00,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 13:39:00,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,483 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 13:39:00,486 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 [2021-11-23 13:39:00,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,502 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:00,512 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:00,512 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:00,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,573 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 13:39:00,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,575 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,584 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 [2021-11-23 13:39:00,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:39:00,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,595 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:00,597 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:39:00,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:39:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 13:39:00,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,660 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,667 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 [2021-11-23 13:39:00,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,678 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:00,686 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:39:00,687 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:39:00,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 13:39:00,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,757 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,764 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 [2021-11-23 13:39:00,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,775 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:00,782 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:39:00,782 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:39:00,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 13:39:00,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,836 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,838 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 [2021-11-23 13:39:00,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 13:39:00,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:39:00,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,849 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:00,856 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:39:00,856 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:39:00,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:00,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:00,912 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 13:39:00,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:00,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:00,914 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:00,935 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 [2021-11-23 13:39:00,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:00,946 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:00,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:39:00,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:00,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:00,947 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:39:00,948 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:39:00,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:39:00,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 13:39:00,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,003 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,005 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 [2021-11-23 13:39:01,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,015 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:01,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,016 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:39:01,019 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:39:01,020 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:39:01,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 13:39:01,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-23 13:39:01,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,076 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 13:39:01,080 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 [2021-11-23 13:39:01,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,087 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:01,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,088 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:39:01,090 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:39:01,090 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:39:01,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,141 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,150 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 [2021-11-23 13:39:01,160 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,160 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:01,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,160 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:39:01,163 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:39:01,163 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:39:01,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 13:39:01,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-23 13:39:01,200 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 13:39:01,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,201 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,204 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 [2021-11-23 13:39:01,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 13:39:01,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,213 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:39:01,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:39:01,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,215 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:39:01,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:39:01,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,262 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,267 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 [2021-11-23 13:39:01,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,276 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:39:01,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,282 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:01,282 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:01,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 13:39:01,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-23 13:39:01,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,315 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,316 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 [2021-11-23 13:39:01,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 13:39:01,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,325 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:39:01,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,326 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,329 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:01,329 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:01,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,388 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,396 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 [2021-11-23 13:39:01,406 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,407 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:39:01,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,407 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,412 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:01,412 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:01,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 13:39:01,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,474 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 13:39:01,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,475 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 13:39:01,476 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 [2021-11-23 13:39:01,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,484 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:01,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:39:01,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,485 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:01,486 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:39:01,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:39:01,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,512 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 13:39:01,514 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 [2021-11-23 13:39:01,522 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,522 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:01,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,522 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:01,529 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:39:01,529 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:39:01,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,582 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 13:39:01,583 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 [2021-11-23 13:39:01,591 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,591 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:01,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,591 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:01,608 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:39:01,608 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:39:01,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-23 13:39:01,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,659 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 13:39:01,663 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 [2021-11-23 13:39:01,670 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,671 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:01,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,671 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:39:01,676 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:39:01,677 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:39:01,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,743 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 13:39:01,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,745 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,751 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 [2021-11-23 13:39:01,760 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,760 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:01,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:39:01,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,761 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-23 13:39:01,761 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:39:01,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:39:01,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:01,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,785 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-23 13:39:01,787 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 [2021-11-23 13:39:01,796 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,796 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:01,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,796 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,801 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:01,801 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:01,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-23 13:39:01,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,852 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 13:39:01,859 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 [2021-11-23 13:39:01,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,867 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:01,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,867 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,869 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:01,870 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:01,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-23 13:39:01,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,896 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 13:39:01,897 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 [2021-11-23 13:39:01,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,904 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:39:01,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,905 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:39:01,907 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:39:01,908 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:39:01,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:01,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-23 13:39:01,950 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 13:39:01,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:01,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:01,951 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:01,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 13:39:01,952 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 [2021-11-23 13:39:01,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:01,960 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:01,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:39:01,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:01,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:01,960 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:39:01,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:39:01,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:39:01,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:02,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-23 13:39:02,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:02,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:02,018 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:02,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 13:39:02,019 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 [2021-11-23 13:39:02,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:02,026 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:02,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:02,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:02,027 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:39:02,035 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 13:39:02,035 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 13:39:02,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:02,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-23 13:39:02,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:02,081 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:02,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 13:39:02,084 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 [2021-11-23 13:39:02,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:02,092 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:02,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:02,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:02,092 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:39:02,109 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 13:39:02,109 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 13:39:02,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:02,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-23 13:39:02,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:39:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:39:02,181 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:39:02,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 13:39:02,186 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 [2021-11-23 13:39:02,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:39:02,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:39:02,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:39:02,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:39:02,194 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:39:02,198 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 13:39:02,198 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 13:39:02,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:39:02,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-23 13:39:02,246 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-23 13:39:02,247 INFO L791 eck$LassoCheckResult]: Stem: 306#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 307#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 308#L10-2 assume !!(main_~i~0#1 < 100); 305#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 302#L10-2 assume !!(main_~i~0#1 < 100); 303#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 304#L10-2 assume !!(main_~i~0#1 < 100); 305#L10 [2021-11-23 13:39:02,247 INFO L793 eck$LassoCheckResult]: Loop: 305#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 302#L10-2 assume !!(main_~i~0#1 < 100); 303#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 304#L10-2 assume !!(main_~i~0#1 < 100); 305#L10 [2021-11-23 13:39:02,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:39:02,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 3 times [2021-11-23 13:39:02,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:39:02,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024992909] [2021-11-23 13:39:02,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:39:02,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:39:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:39:02,252 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:39:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:39:02,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:39:02,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:39:02,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2021-11-23 13:39:02,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:39:02,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411075309] [2021-11-23 13:39:02,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:39:02,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:39:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:39:02,260 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:39:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:39:02,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:39:02,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:39:02,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1599693208, now seen corresponding path program 4 times [2021-11-23 13:39:02,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:39:02,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721977155] [2021-11-23 13:39:02,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:39:02,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:39:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:39:02,271 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:39:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:39:02,277 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:39:02,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:39:02 BoogieIcfgContainer [2021-11-23 13:39:02,336 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:39:02,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:39:02,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:39:02,337 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:39:02,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:38:55" (3/4) ... [2021-11-23 13:39:02,340 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-23 13:39:02,371 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:39:02,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:39:02,372 INFO L158 Benchmark]: Toolchain (without parser) took 7242.23ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 30.4MB in the end (delta: 24.1MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-11-23 13:39:02,373 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:39:02,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.79ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 71.6MB in the end (delta: -17.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 13:39:02,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.91ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 70.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:39:02,374 INFO L158 Benchmark]: Boogie Preprocessor took 22.99ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 69.5MB in the end (delta: 905.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:39:02,386 INFO L158 Benchmark]: RCFGBuilder took 255.36ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 61.8MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 13:39:02,387 INFO L158 Benchmark]: BuchiAutomizer took 6574.37ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.5MB in the beginning and 31.7MB in the end (delta: 29.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2021-11-23 13:39:02,387 INFO L158 Benchmark]: Witness Printer took 35.54ms. Allocated memory is still 113.2MB. Free memory was 31.7MB in the beginning and 30.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:39:02,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.79ms. Allocated memory is still 94.4MB. Free memory was 54.3MB in the beginning and 71.6MB in the end (delta: -17.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.91ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 70.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.99ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 69.5MB in the end (delta: 905.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.36ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 61.8MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 6574.37ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.5MB in the beginning and 31.7MB in the end (delta: 29.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Witness Printer took 35.54ms. Allocated memory is still 113.2MB. Free memory was 31.7MB in the beginning and 30.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 29 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax209 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {i=49, \result=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 13:39:02,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6693eb-d64f-41ec-af62-b17f378f0e8c/bin/uautomizer-wIGwrQj20G/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)