./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/MenloPark.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/MenloPark.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg --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 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:02:00,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:02:00,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:02:00,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:02:00,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:02:00,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:02:00,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:02:00,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:02:00,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:02:00,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:02:00,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:02:00,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:02:00,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:02:00,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:02:00,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:02:00,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:02:00,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:02:00,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:02:00,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:02:00,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:02:00,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:02:00,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:02:00,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:02:00,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:02:00,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:02:00,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:02:00,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:02:00,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:02:00,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:02:00,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:02:00,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:02:00,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:02:00,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:02:00,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:02:00,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:02:00,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:02:00,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:02:00,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:02:00,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:02:00,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:02:00,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:02:00,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:02:00,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:02:00,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:02:00,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:02:00,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:02:00,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:02:00,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:02:00,558 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:02:00,559 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:02:00,559 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:02:00,559 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:02:00,560 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:02:00,561 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:02:00,561 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:02:00,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:02:00,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:02:00,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:02:00,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:02:00,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:02:00,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:02:00,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:02:00,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:02:00,564 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:02:00,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:02:00,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:02:00,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:02:00,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:02:00,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:02:00,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:02:00,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:02:00,568 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:02:00,569 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_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 [2021-10-28 09:02:00,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:02:00,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:02:00,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:02:00,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:02:00,871 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:02:00,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted/MenloPark.c [2021-10-28 09:02:00,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/data/240a00ebf/a620bb61cf5e4a479e93ff461e726c93/FLAG3bd3b9f63 [2021-10-28 09:02:01,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:02:01,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/sv-benchmarks/c/termination-crafted/MenloPark.c [2021-10-28 09:02:01,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/data/240a00ebf/a620bb61cf5e4a479e93ff461e726c93/FLAG3bd3b9f63 [2021-10-28 09:02:01,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/data/240a00ebf/a620bb61cf5e4a479e93ff461e726c93 [2021-10-28 09:02:01,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:02:01,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:02:01,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:02:01,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:02:01,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:02:01,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea4ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01, skipping insertion in model container [2021-10-28 09:02:01,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:02:01,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:02:01,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:02:01,892 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:02:01,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:02:01,940 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:02:01,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01 WrapperNode [2021-10-28 09:02:01,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:02:01,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:02:01,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:02:01,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:02:01,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:02:01,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:02:01,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:02:01,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:02:01,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:02:01,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:02:01,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:02:01,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:02:01,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (1/1) ... [2021-10-28 09:02:01,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:02,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:02,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:02,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:02:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:02:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:02:02,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:02:02,260 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:02:02,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:02:02 BoogieIcfgContainer [2021-10-28 09:02:02,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:02:02,264 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:02:02,264 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:02:02,269 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:02:02,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:02:02,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:02:01" (1/3) ... [2021-10-28 09:02:02,272 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18d7fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:02:02, skipping insertion in model container [2021-10-28 09:02:02,272 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:02:02,272 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:02:01" (2/3) ... [2021-10-28 09:02:02,272 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18d7fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:02:02, skipping insertion in model container [2021-10-28 09:02:02,273 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:02:02,273 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:02:02" (3/3) ... [2021-10-28 09:02:02,274 INFO L389 chiAutomizerObserver]: Analyzing ICFG MenloPark.c [2021-10-28 09:02:02,324 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:02:02,324 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:02:02,325 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:02:02,325 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:02:02,325 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:02:02,325 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:02:02,325 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:02:02,325 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:02:02,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:02:02,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:02:02,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:02:02,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:02:02,361 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:02:02,362 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:02:02,362 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:02:02,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:02:02,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:02:02,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:02:02,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:02:02,364 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:02:02,364 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:02:02,371 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 100;main_~z~0 := 1; 7#L22-2true [2021-10-28 09:02:02,371 INFO L793 eck$LassoCheckResult]: Loop: 7#L22-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := main_~y~0 - main_~z~0;main_~z~0 := -main_~z~0; 7#L22-2true [2021-10-28 09:02:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:02:02,378 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 09:02:02,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:02:02,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150328330] [2021-10-28 09:02:02,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:02:02,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:02:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:02:02,461 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:02:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:02:02,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:02:02,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:02:02,483 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 09:02:02,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:02:02,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494057380] [2021-10-28 09:02:02,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:02:02,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:02:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:02:02,494 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:02:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:02:02,500 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:02:02,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:02:02,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 09:02:02,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:02:02,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112731771] [2021-10-28 09:02:02,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:02:02,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:02:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:02:02,515 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:02:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:02:02,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:02:02,646 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:02:02,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:02:02,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:02:02,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:02:02,647 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:02:02,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:02,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:02:02,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:02:02,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2021-10-28 09:02:02,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:02:02,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:02:02,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:02,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:02,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:02,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:02,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:02,816 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:02:02,817 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:02:02,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:02,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:02,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:02,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:02:02,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:02:02,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:02:02,926 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:02:02,926 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: [] [2021-10-28 09:02:02,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:02,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:02,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:02,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:02:02,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:02:02,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:02:02,981 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:02:02,981 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: [] [2021-10-28 09:02:03,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:02:03,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:02:03,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:02:03,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:02:03,028 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: [] [2021-10-28 09:02:03,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,065 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:02:03,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:02:03,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:02:03,104 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:02:03,104 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: [] [2021-10-28 09:02:03,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,132 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:02:03,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:02:03,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:02:03,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 09:02:03,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:02:03,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:02:03,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:02:03,288 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:02:03,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,297 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:02:03,297 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:02:03,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:02:03,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:02:03,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:02:03,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,298 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:02:03,298 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:02:03,298 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2021-10-28 09:02:03,298 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:02:03,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:02:03,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:03,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:03,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:03,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:03,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:02:03,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:02:03,452 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:02:03,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,456 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:02:03,540 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 [2021-10-28 09:02:03,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:03,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:03,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:03,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:02:03,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:02:03,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:02:03,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:03,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,591 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:02:03,593 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 [2021-10-28 09:02:03,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:03,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:02:03,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:03,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:03,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:02:03,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:02:03,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:02:03,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:03,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,660 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,669 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 [2021-10-28 09:02:03,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:03,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:02:03,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:03,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:03,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:02:03,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:02:03,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:02:03,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:02:03,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:03,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,730 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:02:03,732 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 [2021-10-28 09:02:03,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:03,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:03,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:03,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:02:03,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:02:03,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:02:03,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:03,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,801 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:02:03,803 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 [2021-10-28 09:02:03,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:03,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:03,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:03,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:02:03,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:02:03,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:02:03,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:03,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,891 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:02:03,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,892 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,900 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 [2021-10-28 09:02:03,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:03,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:03,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:03,910 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:02:03,914 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:02:03,915 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:02:03,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:02:03,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:03,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:03,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:03,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:03,976 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:03,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:02:03,980 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 [2021-10-28 09:02:03,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:03,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:02:03,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:03,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:03,990 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:02:03,991 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:02:03,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:02:04,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:04,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:04,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:04,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:04,045 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:04,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:02:04,055 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 [2021-10-28 09:02:04,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:04,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:02:04,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:04,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:04,065 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:02:04,071 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:02:04,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:02:04,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:04,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:04,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:04,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:04,125 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:04,131 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 [2021-10-28 09:02:04,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:04,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:04,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:04,140 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:02:04,147 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:02:04,148 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:02:04,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:02:04,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:02:04,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:04,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:04,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:04,193 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:04,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:02:04,195 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 [2021-10-28 09:02:04,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:02:04,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:02:04,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:02:04,205 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:02:04,213 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 09:02:04,214 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 09:02:04,229 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:02:04,246 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-28 09:02:04,246 INFO L444 ModelExtractionUtils]: 10 out of 21 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-28 09:02:04,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:02:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:02:04,252 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:02:04,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:02:04,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:02:04,286 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2021-10-28 09:02:04,286 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:02:04,287 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 + 1 f1 = 1*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [2*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 - 2 >= 0] [2021-10-28 09:02:04,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:04,328 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-28 09:02:04,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:02:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:02:04,389 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:02:04,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:02:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:02:04,406 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:02:04,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:02:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:02:04,427 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 [2021-10-28 09:02:04,429 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2021-10-28 09:02:04,522 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 18 transitions. Complement of second has 5 states. [2021-10-28 09:02:04,523 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 [2021-10-28 09:02:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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) [2021-10-28 09:02:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-28 09:02:04,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-28 09:02:04,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:02:04,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 09:02:04,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:02:04,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 09:02:04,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:02:04,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-28 09:02:04,532 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:02:04,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-28 09:02:04,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:02:04,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:02:04,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:02:04,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:02:04,540 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:02:04,540 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:02:04,540 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:02:04,540 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:02:04,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:02:04,540 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:02:04,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:02:04,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:02:04 BoogieIcfgContainer [2021-10-28 09:02:04,546 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:02:04,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:02:04,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:02:04,547 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:02:04,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:02:02" (3/4) ... [2021-10-28 09:02:04,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:02:04,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:02:04,553 INFO L168 Benchmark]: Toolchain (without parser) took 2821.90 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 55.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:04,560 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:02:04,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.36 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 84.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:04,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.12 ms. Allocated memory is still 107.0 MB. Free memory was 84.6 MB in the beginning and 82.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:02:04,562 INFO L168 Benchmark]: Boogie Preprocessor took 16.83 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.9 MB in the end (delta: 886.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:04,562 INFO L168 Benchmark]: RCFGBuilder took 277.13 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 74.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:04,566 INFO L168 Benchmark]: BuchiAutomizer took 2282.78 ms. Allocated memory is still 107.0 MB. Free memory was 74.4 MB in the beginning and 56.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:02:04,566 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 107.0 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:02:04,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 205.36 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.5 MB in the beginning and 84.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.12 ms. Allocated memory is still 107.0 MB. Free memory was 84.6 MB in the beginning and 82.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.83 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.9 MB in the end (delta: 886.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 277.13 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 74.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2282.78 ms. Allocated memory is still 107.0 MB. Free memory was 74.4 MB in the beginning and 56.3 MB in the end (delta: 18.1 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.79 ms. Allocated memory is still 107.0 MB. Free memory is still 55.7 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 -1 * y + 2 * x + 1 > 0 then 1 else 0), (if -1 * y + 2 * x + 1 > 0 then -1 * y + 2 * x + 1 else x + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax146 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:02:04,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:02:04,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_250c87a6-ac6b-4cbd-b605-1306bdb33bdc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...