./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3 --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 95e81a05c22c6fe15d385f792d07c0bc4a245941 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:49:59,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:49:59,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:49:59,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:49:59,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:49:59,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:49:59,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:49:59,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:49:59,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:49:59,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:49:59,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:49:59,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:49:59,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:49:59,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:49:59,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:49:59,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:49:59,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:49:59,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:49:59,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:49:59,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:49:59,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:49:59,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:49:59,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:49:59,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:49:59,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:49:59,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:49:59,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:49:59,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:49:59,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:49:59,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:49:59,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:49:59,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:49:59,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:49:59,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:49:59,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:49:59,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:49:59,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:49:59,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:49:59,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:49:59,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:49:59,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:49:59,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-15 19:49:59,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:49:59,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:49:59,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:49:59,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:49:59,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:49:59,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:49:59,603 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:49:59,603 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:49:59,603 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:49:59,604 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:49:59,604 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:49:59,604 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:49:59,604 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:49:59,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:49:59,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:49:59,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:49:59,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:49:59,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:49:59,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:49:59,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:49:59,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:49:59,606 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:49:59,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:49:59,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:49:59,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:49:59,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:49:59,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:49:59,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:49:59,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:49:59,609 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:49:59,609 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_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95e81a05c22c6fe15d385f792d07c0bc4a245941 [2021-10-15 19:49:59,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:49:59,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:49:59,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:49:59,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:49:59,899 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:49:59,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-restricted-15/b.03_assume.c [2021-10-15 19:50:00,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/data/cbe8bb3e7/1d67225b6796433e8117ab2ae7ef3864/FLAGd101f03a1 [2021-10-15 19:50:00,441 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:50:00,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/sv-benchmarks/c/termination-restricted-15/b.03_assume.c [2021-10-15 19:50:00,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/data/cbe8bb3e7/1d67225b6796433e8117ab2ae7ef3864/FLAGd101f03a1 [2021-10-15 19:50:00,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/data/cbe8bb3e7/1d67225b6796433e8117ab2ae7ef3864 [2021-10-15 19:50:00,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:50:00,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:50:00,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:50:00,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:50:00,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:50:00,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:50:00" (1/1) ... [2021-10-15 19:50:00,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799e967c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:00, skipping insertion in model container [2021-10-15 19:50:00,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:50:00" (1/1) ... [2021-10-15 19:50:00,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:50:00,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:50:01,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:50:01,020 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:50:01,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:50:01,044 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:50:01,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01 WrapperNode [2021-10-15 19:50:01,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:50:01,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:50:01,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:50:01,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:50:01,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:50:01,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:50:01,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:50:01,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:50:01,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:50:01,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:50:01,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:50:01,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:50:01,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (1/1) ... [2021-10-15 19:50:01,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:01,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:01,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:01,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:50:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:50:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:50:01,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:50:01,255 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-15 19:50:01,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:50:01 BoogieIcfgContainer [2021-10-15 19:50:01,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:50:01,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:50:01,258 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:50:01,261 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:50:01,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:50:01,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:50:00" (1/3) ... [2021-10-15 19:50:01,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62dbcec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:50:01, skipping insertion in model container [2021-10-15 19:50:01,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:50:01,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:50:01" (2/3) ... [2021-10-15 19:50:01,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62dbcec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:50:01, skipping insertion in model container [2021-10-15 19:50:01,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:50:01,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:50:01" (3/3) ... [2021-10-15 19:50:01,264 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.03_assume.c [2021-10-15 19:50:01,304 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:50:01,304 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:50:01,304 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:50:01,304 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:50:01,304 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:50:01,304 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:50:01,304 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:50:01,304 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:50:01,314 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) [2021-10-15 19:50:01,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 19:50:01,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:50:01,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:50:01,339 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-15 19:50:01,339 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 19:50:01,339 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:50:01,339 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) [2021-10-15 19:50:01,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 19:50:01,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:50:01,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:50:01,341 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-15 19:50:01,341 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 19:50:01,346 INFO L791 eck$LassoCheckResult]: Stem: 4#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; 5#L9-2true [2021-10-15 19:50:01,347 INFO L793 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!((main_~x~0 > 0 && main_~x~0 > main_~y~0) && main_~y~0 <= 2147483647 - main_~x~0);main_~y~0 := main_~y~0 + main_~x~0; 5#L9-2true [2021-10-15 19:50:01,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:50:01,356 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-15 19:50:01,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:50:01,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284902875] [2021-10-15 19:50:01,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:50:01,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:50:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:50:01,464 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:50:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:50:01,491 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:50:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:50:01,497 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-15 19:50:01,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:50:01,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099166467] [2021-10-15 19:50:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:50:01,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:50:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:50:01,521 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:50:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:50:01,526 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:50:01,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:50:01,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-15 19:50:01,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:50:01,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143597479] [2021-10-15 19:50:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:50:01,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:50:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:50:01,539 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:50:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:50:01,545 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:50:01,664 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:50:01,665 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:50:01,665 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:50:01,665 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:50:01,666 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:50:01,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:01,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:50:01,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:50:01,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03_assume.c_Iteration1_Loop [2021-10-15 19:50:01,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:50:01,667 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:50:01,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:50:01,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:50:01,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:50:01,793 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:50:01,793 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:50:01,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:01,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:01,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:01,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:50:01,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:50:01,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:50:01,860 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:50:01,861 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: [] [2021-10-15 19:50:01,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:50:01,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:01,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:01,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:01,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:50:01,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:50:01,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:50:01,941 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:50:01,941 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: [] [2021-10-15 19:50:01,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:50:01,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:01,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:01,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:01,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:50:01,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:50:02,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:50:02,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:50:02,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:02,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:02,050 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:02,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:50:02,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:50:02,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:50:02,121 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:50:02,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:50:02,128 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:50:02,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:50:02,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:50:02,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:50:02,129 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:50:02,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:02,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:50:02,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:50:02,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03_assume.c_Iteration1_Loop [2021-10-15 19:50:02,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:50:02,129 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:50:02,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:50:02,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:50:02,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:50:02,236 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:50:02,251 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:50:02,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:02,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:02,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:02,259 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 [2021-10-15 19:50:02,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:50:02,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:50:02,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:50:02,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:50:02,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:50:02,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:50:02,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:50:02,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:50:02,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-15 19:50:02,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:02,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:02,330 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:02,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:50:02,336 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 [2021-10-15 19:50:02,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:50:02,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:50:02,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:50:02,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:50:02,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:50:02,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:50:02,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:50:02,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:50:02,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:02,405 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:02,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:50:02,413 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 [2021-10-15 19:50:02,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:50:02,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:50:02,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:50:02,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:50:02,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:50:02,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:50:02,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:50:02,448 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:50:02,454 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-15 19:50:02,454 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-15 19:50:02,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:50:02,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:50:02,457 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:50:02,463 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:50:02,463 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:50:02,463 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:50:02,464 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-15 19:50:02,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:50:02,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:50:02,501 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:50:02,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:50:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:50:02,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:50:02,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:50:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:50:02,559 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-15 19:50:02,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:50:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:50:02,575 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 [2021-10-15 19:50:02,576 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) [2021-10-15 19:50:02,609 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. [2021-10-15 19:50:02,609 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 [2021-10-15 19:50:02,611 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) [2021-10-15 19:50:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-15 19:50:02,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-15 19:50:02,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:50:02,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-15 19:50:02,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:50:02,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-15 19:50:02,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:50:02,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-15 19:50:02,617 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:50:02,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-15 19:50:02,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:50:02,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:50:02,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:50:02,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:50:02,621 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:50:02,621 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:50:02,621 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:50:02,622 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:50:02,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:50:02,622 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:50:02,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:50:02,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:50:02 BoogieIcfgContainer [2021-10-15 19:50:02,628 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:50:02,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:50:02,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:50:02,629 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:50:02,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:50:01" (3/4) ... [2021-10-15 19:50:02,632 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:50:02,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:50:02,634 INFO L168 Benchmark]: Toolchain (without parser) took 1803.35 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 60.0 MB in the beginning and 88.4 MB in the end (delta: -28.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:50:02,634 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:50:02,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.79 ms. Allocated memory is still 98.6 MB. Free memory was 59.8 MB in the beginning and 75.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:50:02,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 98.6 MB. Free memory was 75.6 MB in the beginning and 74.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:50:02,636 INFO L168 Benchmark]: Boogie Preprocessor took 15.23 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 73.3 MB in the end (delta: 787.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:50:02,637 INFO L168 Benchmark]: RCFGBuilder took 168.04 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 65.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:50:02,638 INFO L168 Benchmark]: BuchiAutomizer took 1369.70 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 65.6 MB in the beginning and 88.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:50:02,638 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 123.7 MB. Free memory is still 88.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:50:02,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 216.79 ms. Allocated memory is still 98.6 MB. Free memory was 59.8 MB in the beginning and 75.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 98.6 MB. Free memory was 75.6 MB in the beginning and 74.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.23 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 73.3 MB in the end (delta: 787.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 168.04 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 65.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1369.70 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 65.6 MB in the beginning and 88.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.00 ms. Allocated memory is still 123.7 MB. Free memory is still 88.4 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 affine ranking function x + -1 * y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq133 hnf95 smp100 dnf100 smp100 tf108 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:50:02,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:50:02,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5293d4-e90a-4081-b32b-92c7dabd98f9/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...