./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF --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 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:43:17,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:43:17,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:43:17,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:43:17,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:43:17,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:43:17,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:43:17,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:43:17,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:43:17,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:43:17,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:43:17,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:43:17,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:43:17,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:43:17,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:43:17,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:43:17,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:43:17,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:43:17,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:43:17,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:43:17,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:43:17,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:43:17,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:43:17,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:43:17,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:43:17,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:43:17,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:43:17,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:43:17,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:43:17,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:43:17,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:43:17,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:43:17,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:43:17,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:43:17,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:43:17,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:43:17,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:43:17,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:43:17,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:43:17,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:43:17,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:43:17,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 07:43:17,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:43:17,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:43:17,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:43:17,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:43:17,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:43:17,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:43:17,767 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:43:17,767 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:43:17,768 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:43:17,768 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:43:17,769 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:43:17,769 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:43:17,770 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:43:17,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:43:17,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:43:17,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:43:17,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:43:17,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:43:17,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:43:17,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:43:17,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:43:17,772 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:43:17,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:43:17,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:43:17,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:43:17,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:43:17,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:43:17,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:43:17,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:43:17,776 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:43:17,776 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_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f [2021-11-20 07:43:18,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:43:18,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:43:18,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:43:18,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:43:18,105 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:43:18,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2021-11-20 07:43:18,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/data/5af4e5574/2a4345cd0a154770a61829a9f09bdc52/FLAG341fb013f [2021-11-20 07:43:18,718 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:43:18,720 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2021-11-20 07:43:18,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/data/5af4e5574/2a4345cd0a154770a61829a9f09bdc52/FLAG341fb013f [2021-11-20 07:43:19,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/data/5af4e5574/2a4345cd0a154770a61829a9f09bdc52 [2021-11-20 07:43:19,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:43:19,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:43:19,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:43:19,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:43:19,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:43:19,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e261f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19, skipping insertion in model container [2021-11-20 07:43:19,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:43:19,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:43:19,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:43:19,327 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:43:19,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:43:19,357 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:43:19,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19 WrapperNode [2021-11-20 07:43:19,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:43:19,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:43:19,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:43:19,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:43:19,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,390 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2021-11-20 07:43:19,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:43:19,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:43:19,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:43:19,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:43:19,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:43:19,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:43:19,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:43:19,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:43:19,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (1/1) ... [2021-11-20 07:43:19,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:19,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:19,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:19,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:43:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:43:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:43:19,563 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:43:19,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:43:19,755 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:43:19,762 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:43:19,762 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:43:19,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:19 BoogieIcfgContainer [2021-11-20 07:43:19,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:43:19,765 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:43:19,765 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:43:19,781 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:43:19,782 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:43:19,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:43:19" (1/3) ... [2021-11-20 07:43:19,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5870c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:43:19, skipping insertion in model container [2021-11-20 07:43:19,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:43:19,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:19" (2/3) ... [2021-11-20 07:43:19,785 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5870c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:43:19, skipping insertion in model container [2021-11-20 07:43:19,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:43:19,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:19" (3/3) ... [2021-11-20 07:43:19,786 INFO L388 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2021-11-20 07:43:19,863 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:43:19,878 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:43:19,878 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:43:19,879 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:43:19,879 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:43:19,879 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:43:19,879 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:43:19,879 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:43:19,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:19,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:43:19,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:43:19,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:43:19,960 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:43:19,961 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:43:19,961 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:43:19,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:19,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:43:19,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:43:19,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:43:19,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:43:19,966 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:43:19,972 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_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 18#L20true assume !!(-268435455 <= main_~y~0#1); 14#L21true assume !!(-268435455 <= main_~z~0#1); 12#L22true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 9#L22-2true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 16#L27-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 6#L32-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 10#L37-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 4#L42-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 13#L47-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 19#L52-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 17#L57-1true assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 11#L67-1true [2021-11-20 07:43:19,973 INFO L793 eck$LassoCheckResult]: Loop: 11#L67-1true assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 11#L67-1true [2021-11-20 07:43:19,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:19,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1202253379, now seen corresponding path program 1 times [2021-11-20 07:43:19,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:19,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688643668] [2021-11-20 07:43:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:20,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:43:20,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:20,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688643668] [2021-11-20 07:43:20,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688643668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:20,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:20,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:43:20,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703362904] [2021-11-20 07:43:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:20,208 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:43:20,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 1 times [2021-11-20 07:43:20,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:20,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587854923] [2021-11-20 07:43:20,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:20,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,221 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,245 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:20,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:20,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:43:20,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:43:20,360 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 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 4.333333333333333) internal successors, (13), 3 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) [2021-11-20 07:43:20,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:20,450 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2021-11-20 07:43:20,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:43:20,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2021-11-20 07:43:20,464 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-11-20 07:43:20,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 32 transitions. [2021-11-20 07:43:20,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 07:43:20,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-20 07:43:20,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2021-11-20 07:43:20,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:43:20,472 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-11-20 07:43:20,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2021-11-20 07:43:20,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-20 07:43:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2021-11-20 07:43:20,504 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-11-20 07:43:20,504 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-11-20 07:43:20,505 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:43:20,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2021-11-20 07:43:20,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:43:20,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:43:20,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:43:20,513 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:43:20,513 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:43:20,514 INFO L791 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 61#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 66#L20 assume !!(-268435455 <= main_~y~0#1); 71#L21 assume !!(-268435455 <= main_~z~0#1); 68#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 69#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 65#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 62#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 63#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 58#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 59#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 70#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 72#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 67#L67-1 [2021-11-20 07:43:20,515 INFO L793 eck$LassoCheckResult]: Loop: 67#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 67#L67-1 [2021-11-20 07:43:20,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:20,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1547022655, now seen corresponding path program 1 times [2021-11-20 07:43:20,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:20,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571563348] [2021-11-20 07:43:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:20,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:43:20,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:20,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571563348] [2021-11-20 07:43:20,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571563348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:20,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:20,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:43:20,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767353213] [2021-11-20 07:43:20,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:20,590 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:43:20,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:20,590 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 2 times [2021-11-20 07:43:20,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:20,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382394403] [2021-11-20 07:43:20,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:20,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,596 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,601 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:20,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:20,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:43:20,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:43:20,649 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-11-20 07:43:20,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:20,710 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-11-20 07:43:20,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:43:20,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2021-11-20 07:43:20,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-11-20 07:43:20,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 24 transitions. [2021-11-20 07:43:20,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 07:43:20,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-20 07:43:20,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 24 transitions. [2021-11-20 07:43:20,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:43:20,715 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-11-20 07:43:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 24 transitions. [2021-11-20 07:43:20,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-20 07:43:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-11-20 07:43:20,718 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-11-20 07:43:20,718 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-11-20 07:43:20,718 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:43:20,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2021-11-20 07:43:20,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:43:20,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:43:20,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:43:20,720 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:43:20,720 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:43:20,720 INFO L791 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 112#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 115#L20 assume !!(-268435455 <= main_~y~0#1); 124#L21 assume !!(-268435455 <= main_~z~0#1); 122#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 123#L22-2 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 126#L27-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 113#L32-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 114#L37-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 118#L42-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 120#L47-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 121#L52-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 127#L57-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 119#L67-1 [2021-11-20 07:43:20,720 INFO L793 eck$LassoCheckResult]: Loop: 119#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 119#L67-1 [2021-11-20 07:43:20,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:20,721 INFO L85 PathProgramCache]: Analyzing trace with hash -522195007, now seen corresponding path program 1 times [2021-11-20 07:43:20,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:20,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890070025] [2021-11-20 07:43:20,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:20,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,736 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:20,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:20,751 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 3 times [2021-11-20 07:43:20,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:20,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834909414] [2021-11-20 07:43:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:20,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,756 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:20,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:20,760 INFO L85 PathProgramCache]: Analyzing trace with hash 991824041, now seen corresponding path program 1 times [2021-11-20 07:43:20,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:20,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337311295] [2021-11-20 07:43:20,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:20,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,775 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:20,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:20,987 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:43:20,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:43:20,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:43:20,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:43:20,988 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:43:20,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:20,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:43:20,989 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:43:20,989 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2021-11-20 07:43:20,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:43:20,989 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:43:21,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:43:21,134 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:43:21,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:21,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:43:21,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:21,181 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: [] [2021-11-20 07:43:21,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:21,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:43:21,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:21,267 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: [] [2021-11-20 07:43:21,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:21,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:43:21,331 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:21,331 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:43:21,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:21,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:43:21,403 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:21,403 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: [] [2021-11-20 07:43:21,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:43:21,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:21,446 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,471 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:21,471 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:43:21,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:43:21,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:21,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,526 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:21,526 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:43:21,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:43:21,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:21,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,641 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:43:21,647 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:43:21,647 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:21,704 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:43:21,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,711 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:43:21,711 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:43:21,711 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:43:21,711 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:43:21,711 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:43:21,711 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,712 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:43:21,712 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:43:21,712 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2021-11-20 07:43:21,712 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:43:21,712 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:43:21,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:21,829 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:43:21,834 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:43:21,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,836 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:43:21,842 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 [2021-11-20 07:43:21,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:21,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:21,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:21,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:21,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:43:21,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:43:21,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:21,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,915 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:43:21,925 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 [2021-11-20 07:43:21,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:21,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:43:21,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:21,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:21,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:21,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:43:21,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:43:21,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:21,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:21,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:21,967 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:21,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:43:21,969 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 [2021-11-20 07:43:21,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:21,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:43:21,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:21,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:21,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:21,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:43:21,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:43:21,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:22,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:22,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:22,022 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:22,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:43:22,025 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 [2021-11-20 07:43:22,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:22,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:22,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:22,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:22,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:43:22,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:43:22,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:22,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:22,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:22,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:22,094 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:22,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:43:22,097 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 [2021-11-20 07:43:22,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:22,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:43:22,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:22,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:22,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:22,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:43:22,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:43:22,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:22,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:22,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:22,160 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:22,191 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 [2021-11-20 07:43:22,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:22,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:43:22,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:22,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:22,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:22,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:43:22,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:43:22,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:43:22,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:22,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:22,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:22,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:22,227 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:22,231 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 [2021-11-20 07:43:22,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:43:22,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:22,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:22,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:22,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:22,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:43:22,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:43:22,270 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:43:22,297 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-20 07:43:22,297 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-20 07:43:22,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:22,300 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:22,329 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:43:22,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:43:22,351 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 07:43:22,351 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:43:22,352 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1, ULTIMATE.start_main_~x~0#1) = -9*ULTIMATE.start_main_~z~0#1 - 100*ULTIMATE.start_main_~x~0#1 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 9 >= 0] [2021-11-20 07:43:22,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:22,392 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-11-20 07:43:22,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:22,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:43:22,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:43:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:22,653 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:43:22,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:43:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:43:22,656 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2021-11-20 07:43:22,657 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:22,912 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 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 25 transitions. Complement of second has 10 states. [2021-11-20 07:43:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 07:43:22,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 24 transitions. [2021-11-20 07:43:22,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 1 letters. [2021-11-20 07:43:22,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:43:22,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 14 letters. Loop has 1 letters. [2021-11-20 07:43:22,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:43:22,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 2 letters. [2021-11-20 07:43:22,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:43:22,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 25 transitions. [2021-11-20 07:43:22,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:43:22,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 14 states and 14 transitions. [2021-11-20 07:43:22,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 07:43:22,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-20 07:43:22,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2021-11-20 07:43:22,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:43:22,920 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-20 07:43:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2021-11-20 07:43:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-20 07:43:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-11-20 07:43:22,921 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-20 07:43:22,922 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-20 07:43:22,922 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 07:43:22,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2021-11-20 07:43:22,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:43:22,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:43:22,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:43:22,923 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:43:22,923 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:43:22,923 INFO L791 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 249#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 252#L20 assume !!(-268435455 <= main_~y~0#1); 258#L21 assume !!(-268435455 <= main_~z~0#1); 257#L22 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 253#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 254#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 250#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 251#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 246#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 247#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 256#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 259#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 255#L67-1 [2021-11-20 07:43:22,923 INFO L793 eck$LassoCheckResult]: Loop: 255#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 255#L67-1 [2021-11-20 07:43:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:22,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2067886271, now seen corresponding path program 1 times [2021-11-20 07:43:22,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:22,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889856456] [2021-11-20 07:43:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:22,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:22,950 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:22,960 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:22,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:22,961 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 4 times [2021-11-20 07:43:22,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:22,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421843428] [2021-11-20 07:43:22,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:22,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:22,965 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:22,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:22,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:22,986 INFO L85 PathProgramCache]: Analyzing trace with hash -320034965, now seen corresponding path program 1 times [2021-11-20 07:43:22,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:22,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858329885] [2021-11-20 07:43:22,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:22,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:22,997 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:43:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:43:23,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:43:23,129 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:43:23,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:43:23,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:43:23,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:43:23,130 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:43:23,130 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:43:23,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:43:23,131 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2021-11-20 07:43:23,131 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:43:23,131 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:43:23,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,244 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:43:23,244 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:43:23,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,253 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:23,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:23,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:43:23,291 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:23,291 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: [] [2021-11-20 07:43:23,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,329 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:23,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:23,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:43:23,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:23,372 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:43:23,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,406 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:43:23,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:23,466 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:23,499 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:23,500 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:43:23,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,536 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:23,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:23,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:43:23,571 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:43:23,571 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: [] [2021-11-20 07:43:23,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,607 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:43:23,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:23,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:43:23,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,671 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:43:23,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:43:23,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:43:23,739 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:43:23,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,747 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:43:23,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:43:23,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:43:23,747 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:43:23,747 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:43:23,747 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:43:23,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:43:23,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2021-11-20 07:43:23,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:43:23,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:43:23,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:43:23,840 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:43:23,840 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:43:23,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,848 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,849 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 [2021-11-20 07:43:23,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:23,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:23,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:23,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:23,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:43:23,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:43:23,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:43:23,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:23,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:23,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,920 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,922 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 [2021-11-20 07:43:23,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:23,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:43:23,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:23,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:23,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:23,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:43:23,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:43:23,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:43:23,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:23,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 07:43:23,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:23,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:23,970 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:23,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:43:23,973 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 [2021-11-20 07:43:23,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:23,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:43:23,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:23,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:23,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:23,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:43:23,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:43:23,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:24,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:24,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:24,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:24,017 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:24,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:43:24,019 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 [2021-11-20 07:43:24,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:24,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:43:24,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:24,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:24,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:24,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:43:24,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:43:24,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:43:24,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 07:43:24,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:24,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:24,049 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:24,051 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 [2021-11-20 07:43:24,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:43:24,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:43:24,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:43:24,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:43:24,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:43:24,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:43:24,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:43:24,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:43:24,107 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-20 07:43:24,108 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-11-20 07:43:24,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:43:24,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:43:24,109 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:43:24,111 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:43:24,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:43:24,140 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 07:43:24,140 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:43:24,140 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 100 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 2 >= 0] [2021-11-20 07:43:24,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:24,181 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-11-20 07:43:24,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:24,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:43:24,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:43:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:24,388 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:43:24,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:43:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:43:24,389 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 1 loop predicates [2021-11-20 07:43:24,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:24,511 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 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 15 states and 15 transitions. Complement of second has 9 states. [2021-11-20 07:43:24,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-20 07:43:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:43:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2021-11-20 07:43:24,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 1 letters. [2021-11-20 07:43:24,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:43:24,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 14 letters. Loop has 1 letters. [2021-11-20 07:43:24,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:43:24,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 2 letters. [2021-11-20 07:43:24,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:43:24,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 15 transitions. [2021-11-20 07:43:24,514 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:43:24,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-11-20 07:43:24,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 07:43:24,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 07:43:24,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 07:43:24,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:43:24,515 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:43:24,515 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:43:24,515 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:43:24,515 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 07:43:24,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:43:24,515 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:43:24,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:43:24,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:43:24 BoogieIcfgContainer [2021-11-20 07:43:24,522 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:43:24,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:43:24,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:43:24,523 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:43:24,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:19" (3/4) ... [2021-11-20 07:43:24,526 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:43:24,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:43:24,527 INFO L158 Benchmark]: Toolchain (without parser) took 5439.75ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 93.0MB in the beginning and 91.2MB in the end (delta: 1.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-20 07:43:24,528 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:43:24,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.90ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 102.2MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:43:24,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.83ms. Allocated memory is still 125.8MB. Free memory was 102.2MB in the beginning and 100.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:43:24,529 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 125.8MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:43:24,529 INFO L158 Benchmark]: RCFGBuilder took 333.62ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 90.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:43:24,530 INFO L158 Benchmark]: BuchiAutomizer took 4757.69ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 90.5MB in the beginning and 91.2MB in the end (delta: -733.9kB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-20 07:43:24,530 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 155.2MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:43:24,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.90ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 102.2MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.83ms. Allocated memory is still 125.8MB. Free memory was 102.2MB in the beginning and 100.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 125.8MB. Free memory was 100.9MB in the beginning and 99.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.62ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 90.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4757.69ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 90.5MB in the beginning and 91.2MB in the end (delta: -733.9kB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 155.2MB. Free memory is still 91.2MB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -9 * z + -100 * x and consists of 10 locations. One deterministic module has affine ranking function -1 * y + 100 and consists of 9 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 58 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 07:43:24,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:24,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b124a5-311e-4b1a-ac35-44e1e9ebb9c0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE