./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be --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 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:06:11,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:06:11,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:06:11,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:06:11,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:06:11,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:06:11,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:06:11,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:06:11,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:06:11,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:06:11,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:06:11,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:06:11,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:06:11,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:06:11,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:06:11,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:06:11,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:06:11,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:06:11,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:06:11,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:06:11,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:06:11,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:06:11,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:06:11,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:06:11,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:06:11,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:06:11,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:06:11,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:06:11,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:06:11,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:06:11,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:06:11,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:06:11,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:06:11,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:06:11,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:06:11,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:06:11,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:06:11,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:06:11,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:06:11,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:06:11,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:06:11,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:06:11,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:06:11,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:06:11,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:06:11,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:06:11,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:06:11,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:06:11,781 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:06:11,781 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:06:11,781 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:06:11,782 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:06:11,783 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:06:11,783 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:06:11,783 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:06:11,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:06:11,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:06:11,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:06:11,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:06:11,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:06:11,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:06:11,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:06:11,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:06:11,785 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:06:11,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:06:11,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:06:11,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:06:11,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:06:11,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:06:11,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:06:11,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:06:11,789 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:06:11,789 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_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 [2021-10-21 20:06:12,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:06:12,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:06:12,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:06:12,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:06:12,089 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:06:12,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-crafted/Singapore-2.c [2021-10-21 20:06:12,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/data/4a524275d/4fb2c1b113b14d658f9c811d517fc3b9/FLAG8406f72ce [2021-10-21 20:06:12,548 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:06:12,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/sv-benchmarks/c/termination-crafted/Singapore-2.c [2021-10-21 20:06:12,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/data/4a524275d/4fb2c1b113b14d658f9c811d517fc3b9/FLAG8406f72ce [2021-10-21 20:06:12,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/data/4a524275d/4fb2c1b113b14d658f9c811d517fc3b9 [2021-10-21 20:06:12,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:06:12,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:06:12,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:06:12,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:06:13,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:06:13,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:06:12" (1/1) ... [2021-10-21 20:06:13,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aeb962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13, skipping insertion in model container [2021-10-21 20:06:13,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:06:12" (1/1) ... [2021-10-21 20:06:13,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:06:13,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:06:13,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:06:13,167 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:06:13,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:06:13,191 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:06:13,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13 WrapperNode [2021-10-21 20:06:13,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:06:13,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:06:13,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:06:13,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:06:13,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:06:13,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:06:13,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:06:13,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:06:13,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:06:13,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:06:13,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:06:13,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:06:13,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (1/1) ... [2021-10-21 20:06:13,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:13,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:13,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:13,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:06:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:06:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:06:13,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:06:13,518 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 20:06:13,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:13 BoogieIcfgContainer [2021-10-21 20:06:13,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:06:13,523 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:06:13,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:06:13,527 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:06:13,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:06:13,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:06:12" (1/3) ... [2021-10-21 20:06:13,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36c4158d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:06:13, skipping insertion in model container [2021-10-21 20:06:13,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:06:13,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:13" (2/3) ... [2021-10-21 20:06:13,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36c4158d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:06:13, skipping insertion in model container [2021-10-21 20:06:13,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:06:13,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:13" (3/3) ... [2021-10-21 20:06:13,532 INFO L389 chiAutomizerObserver]: Analyzing ICFG Singapore-2.c [2021-10-21 20:06:13,623 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:06:13,623 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:06:13,623 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:06:13,624 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:06:13,624 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:06:13,624 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:06:13,624 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:06:13,624 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:06:13,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2021-10-21 20:06:13,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 20:06:13,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:06:13,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:06:13,669 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:06:13,669 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:06:13,669 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:06:13,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2021-10-21 20:06:13,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 20:06:13,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:06:13,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:06:13,672 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:06:13,672 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:06:13,679 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 4#L17true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 5#L18true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 10#L19true assume main_~x~0 + main_~y~0 <= 0; 7#L20-2true [2021-10-21 20:06:13,679 INFO L793 eck$LassoCheckResult]: Loop: 7#L20-2true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1; 7#L20-2true [2021-10-21 20:06:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:13,687 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2021-10-21 20:06:13,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:13,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714427092] [2021-10-21 20:06:13,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:13,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:06:13,758 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:06:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:06:13,779 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:06:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:13,782 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2021-10-21 20:06:13,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:13,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841261625] [2021-10-21 20:06:13,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:13,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:06:13,791 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:06:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:06:13,796 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:06:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash 29742446, now seen corresponding path program 1 times [2021-10-21 20:06:13,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:13,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053832105] [2021-10-21 20:06:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:13,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:06:13,808 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:06:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:06:13,817 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:06:13,920 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:06:13,920 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:06:13,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:06:13,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:06:13,921 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:06:13,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:13,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:06:13,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:06:13,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Loop [2021-10-21 20:06:13,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:06:13,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:06:13,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:13,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:13,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:14,071 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:06:14,071 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:06:14,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:06:14,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,103 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:06:14,103 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: [] [2021-10-21 20:06:14,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:14,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:06:14,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,146 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:06:14,146 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: [] [2021-10-21 20:06:14,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 20:06:14,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:06:14,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:14,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:06:14,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:06:14,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,306 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:06:14,307 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=10} Honda state: {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=5}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [5, 1, 2] Nus: [0, 1] [2021-10-21 20:06:14,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:14,418 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:06:14,418 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:06:14,418 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:06:14,418 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:06:14,418 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:06:14,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:06:14,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:06:14,419 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2021-10-21 20:06:14,419 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:06:14,419 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:06:14,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:14,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:14,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:14,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:14,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:14,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:14,533 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:06:14,533 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:06:14,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:06:14,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,576 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:06:14,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:06:14,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:14,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:06:14,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,619 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:06:14,619 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:06:14,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 20:06:14,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,642 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:06:14,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,661 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:06:14,661 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:06:14,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:14,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,688 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:06:14,689 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:06:14,697 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:06:14,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:14,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,719 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:06:14,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:06:14,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:14,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:14,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:14,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:14,761 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:14,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:06:14,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:06:14,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:06:16,787 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:06:16,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:16,794 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:06:16,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:06:16,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:06:16,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:06:16,795 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:06:16,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:16,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:06:16,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:06:16,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2021-10-21 20:06:16,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:06:16,795 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:06:16,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:16,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:16,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:16,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:16,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:16,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:06:16,900 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:06:16,904 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:06:16,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:16,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:16,907 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:16,912 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 [2021-10-21 20:06:16,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:16,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:16,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:16,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:06:16,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:06:16,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:06:16,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:06:16,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:16,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:16,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:16,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:16,973 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:16,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:06:16,975 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 [2021-10-21 20:06:16,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:16,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:06:16,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:16,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:16,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:06:16,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:06:16,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:06:16,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,013 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:06:17,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:06:17,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:06:17,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:06:17,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:06:17,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:06:17,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,073 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:06:17,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:06:17,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:06:17,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:06:17,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:06:17,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:06:17,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,148 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,152 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 [2021-10-21 20:06:17,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:06:17,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:06:17,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:06:17,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:06:17,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,228 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,233 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 [2021-10-21 20:06:17,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:06:17,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:06:17,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:06:17,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:06:17,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,376 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:06:17,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,379 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,391 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 [2021-10-21 20:06:17,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:06:17,409 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-21 20:06:17,416 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-21 20:06:17,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:06:17,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,471 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:06:17,475 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 [2021-10-21 20:06:17,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:06:17,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,485 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:06:17,489 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:06:17,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:06:17,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,556 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,563 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 [2021-10-21 20:06:17,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:06:17,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,573 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:06:17,574 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:06:17,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:06:17,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:06:17,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,618 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,623 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 [2021-10-21 20:06:17,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:06:17,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:06:17,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,631 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:06:17,632 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:06:17,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:06:17,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,687 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,697 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 [2021-10-21 20:06:17,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,706 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:06:17,709 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-21 20:06:17,710 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-21 20:06:17,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:06:17,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:06:17,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,767 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,769 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 [2021-10-21 20:06:17,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:06:17,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:06:17,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:06:17,779 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:06:17,795 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-21 20:06:17,795 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-21 20:06:17,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:06:17,818 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:06:17,850 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 20:06:17,850 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-21 20:06:17,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:06:17,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:17,853 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:17,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:06:17,867 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:06:17,898 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2021-10-21 20:06:17,898 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:06:17,899 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 3*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 f1 = 2*ULTIMATE.start_main_~x~0 Supporting invariants [-1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 >= 0] [2021-10-21 20:06:17,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:17,953 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-21 20:06:18,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:18,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:06:18,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:06:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:18,048 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:06:18,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:06:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:18,070 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-21 20:06:18,072 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:18,171 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 22 states and 27 transitions. Complement of second has 5 states. [2021-10-21 20:06:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:06:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-21 20:06:18,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-21 20:06:18,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:06:18,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 20:06:18,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:06:18,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:06:18,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:06:18,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2021-10-21 20:06:18,184 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:06:18,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-21 20:06:18,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:06:18,187 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:06:18,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:06:18,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:06:18,188 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:06:18,188 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:06:18,188 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:06:18,189 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:06:18,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:06:18,189 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:06:18,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:06:18,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:06:18 BoogieIcfgContainer [2021-10-21 20:06:18,195 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:06:18,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:06:18,195 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:06:18,196 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:06:18,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:13" (3/4) ... [2021-10-21 20:06:18,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:06:18,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:06:18,201 INFO L168 Benchmark]: Toolchain (without parser) took 5235.62 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 45.1 MB in the beginning and 58.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:06:18,201 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:06:18,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.16 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 44.9 MB in the beginning and 79.7 MB in the end (delta: -34.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:06:18,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.18 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 78.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:06:18,208 INFO L168 Benchmark]: Boogie Preprocessor took 18.06 ms. Allocated memory is still 107.0 MB. Free memory was 78.5 MB in the beginning and 77.6 MB in the end (delta: 859.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:06:18,209 INFO L168 Benchmark]: RCFGBuilder took 281.95 ms. Allocated memory is still 107.0 MB. Free memory was 77.6 MB in the beginning and 84.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:06:18,209 INFO L168 Benchmark]: BuchiAutomizer took 4671.46 ms. Allocated memory is still 107.0 MB. Free memory was 84.7 MB in the beginning and 58.7 MB in the end (delta: 26.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:06:18,210 INFO L168 Benchmark]: Witness Printer took 3.84 ms. Allocated memory is still 107.0 MB. Free memory is still 58.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:06:18,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 226.16 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 44.9 MB in the beginning and 79.7 MB in the end (delta: -34.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.18 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 78.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.06 ms. Allocated memory is still 107.0 MB. Free memory was 78.5 MB in the beginning and 77.6 MB in the end (delta: 859.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 281.95 ms. Allocated memory is still 107.0 MB. Free memory was 77.6 MB in the beginning and 84.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4671.46 ms. Allocated memory is still 107.0 MB. Free memory was 84.7 MB in the beginning and 58.7 MB in the end (delta: 26.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.84 ms. Allocated memory is still 107.0 MB. Free memory is still 58.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if 3 * x + 2 * y > 0 then 1 else 0), (if 3 * x + 2 * y > 0 then 3 * x + 2 * y else 2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:06:18,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:18,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581497d8-de68-46ec-831f-77e77705e4f3/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...