./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash af8e82454aa21445af9cfd1f5b129d72eb611482c0d2720e1036f8b2ab15d2d6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:46:18,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:46:18,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:46:18,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:46:18,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:46:18,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:46:18,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:46:18,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:46:18,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:46:18,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:46:18,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:46:18,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:46:18,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:46:18,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:46:18,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:46:18,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:46:18,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:46:18,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:46:18,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:46:18,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:46:18,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:46:18,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:46:18,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:46:18,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:46:18,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:46:18,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:46:18,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:46:18,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:46:18,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:46:18,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:46:18,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:46:18,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:46:18,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:46:18,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:46:18,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:46:18,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:46:18,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:46:18,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:46:18,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:46:18,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:46:18,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:46:18,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:46:18,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:46:18,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:46:18,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:46:18,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:46:18,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:46:18,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:46:18,753 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:46:18,753 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:46:18,754 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:46:18,754 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:46:18,755 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:46:18,755 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:46:18,755 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:46:18,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:46:18,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:46:18,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:46:18,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:46:18,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:46:18,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:46:18,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:46:18,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:46:18,758 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:46:18,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:46:18,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:46:18,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:46:18,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:46:18,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:46:18,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:46:18,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:46:18,762 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:46:18,762 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_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af8e82454aa21445af9cfd1f5b129d72eb611482c0d2720e1036f8b2ab15d2d6 [2021-11-20 06:46:19,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:46:19,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:46:19,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:46:19,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:46:19,077 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:46:19,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-restricted-15/PastaB16.c [2021-11-20 06:46:19,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/data/658916d5f/a433475df4094924b89d16e9593574ab/FLAG28143e1fb [2021-11-20 06:46:19,637 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:46:19,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/sv-benchmarks/c/termination-restricted-15/PastaB16.c [2021-11-20 06:46:19,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/data/658916d5f/a433475df4094924b89d16e9593574ab/FLAG28143e1fb [2021-11-20 06:46:20,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/data/658916d5f/a433475df4094924b89d16e9593574ab [2021-11-20 06:46:20,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:46:20,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:46:20,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:46:20,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:46:20,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:46:20,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51048c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20, skipping insertion in model container [2021-11-20 06:46:20,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:46:20,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:46:20,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:46:20,220 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:46:20,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:46:20,244 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:46:20,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20 WrapperNode [2021-11-20 06:46:20,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:46:20,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:46:20,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:46:20,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:46:20,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,282 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-20 06:46:20,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:46:20,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:46:20,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:46:20,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:46:20,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:46:20,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:46:20,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:46:20,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:46:20,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (1/1) ... [2021-11-20 06:46:20,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:20,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:20,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:20,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:46:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:46:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:46:20,488 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:46:20,491 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:46:20,585 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:46:20,592 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:46:20,593 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:46:20,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:20 BoogieIcfgContainer [2021-11-20 06:46:20,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:46:20,597 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:46:20,597 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:46:20,603 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:46:20,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:46:20,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:46:20" (1/3) ... [2021-11-20 06:46:20,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f959e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:46:20, skipping insertion in model container [2021-11-20 06:46:20,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:46:20,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:20" (2/3) ... [2021-11-20 06:46:20,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f959e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:46:20, skipping insertion in model container [2021-11-20 06:46:20,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:46:20,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:20" (3/3) ... [2021-11-20 06:46:20,609 INFO L388 chiAutomizerObserver]: Analyzing ICFG PastaB16.c [2021-11-20 06:46:20,657 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:46:20,658 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:46:20,658 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:46:20,658 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:46:20,658 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:46:20,658 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:46:20,658 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:46:20,659 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:46:20,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:20,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:46:20,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:46:20,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:46:20,706 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:46:20,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:46:20,707 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:46:20,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:20,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:46:20,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:46:20,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:46:20,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:46:20,710 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:46:20,717 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L11-2true [2021-11-20 06:46:20,718 INFO L793 eck$LassoCheckResult]: Loop: 10#L11-2true assume !!(main_~x~0#1 > 0); 3#L12-2true assume !(main_~y~0#1 > 0); 7#L12-3true main_~x~0#1 := main_~x~0#1 - 1; 10#L11-2true [2021-11-20 06:46:20,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 06:46:20,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:20,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366629474] [2021-11-20 06:46:20,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:20,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:20,804 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:46:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:20,820 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:46:20,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:20,824 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2021-11-20 06:46:20,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:20,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534799011] [2021-11-20 06:46:20,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:20,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:20,835 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:46:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:20,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:46:20,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:20,843 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2021-11-20 06:46:20,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:20,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116509836] [2021-11-20 06:46:20,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:20,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:20,850 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:46:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:20,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:46:20,921 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:46:20,922 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:46:20,922 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:46:20,922 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:46:20,923 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:46:20,923 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:20,923 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:46:20,923 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:46:20,923 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration1_Loop [2021-11-20 06:46:20,924 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:46:20,924 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:46:20,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:20,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:20,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:20,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,035 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:46:21,036 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:46:21,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:46:21,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:46:21,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:46:21,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-20 06:46:21,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:46:21,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:46:21,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:46:21,228 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:46:21,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-20 06:46:21,232 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:46:21,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:46:21,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:46:21,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:46:21,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:46:21,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:46:21,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:46:21,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration1_Loop [2021-11-20 06:46:21,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:46:21,233 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:46:21,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,301 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:46:21,306 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:46:21,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:46:21,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:46:21,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:46:21,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:46:21,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:46:21,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:46:21,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:46:21,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:46:21,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:46:21,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:46:21,358 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-20 06:46:21,358 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 06:46:21,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:46:21,362 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:46:21,363 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 06:46:21,363 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:46:21,364 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2021-11-20 06:46:21,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:21,390 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 06:46:21,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:21,427 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:46:21,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:46:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:21,443 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:46:21,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:46:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:46:21,543 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 06:46:21,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:21,600 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 36 transitions. Complement of second has 7 states. [2021-11-20 06:46:21,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:46:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-11-20 06:46:21,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2021-11-20 06:46:21,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:46:21,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2021-11-20 06:46:21,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:46:21,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-20 06:46:21,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:46:21,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2021-11-20 06:46:21,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:46:21,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2021-11-20 06:46:21,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-11-20 06:46:21,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-11-20 06:46:21,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-11-20 06:46:21,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:46:21,627 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-11-20 06:46:21,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-11-20 06:46:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-11-20 06:46:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-11-20 06:46:21,652 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-11-20 06:46:21,652 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-11-20 06:46:21,652 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:46:21,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-11-20 06:46:21,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:46:21,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:46:21,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:46:21,654 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:46:21,654 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:46:21,654 INFO L791 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 79#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 81#L11-2 assume !!(main_~x~0#1 > 0); 75#L12-2 [2021-11-20 06:46:21,654 INFO L793 eck$LassoCheckResult]: Loop: 75#L12-2 assume !!(main_~y~0#1 > 0);main_~y~0#1 := main_~y~0#1 - 1; 75#L12-2 [2021-11-20 06:46:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:21,655 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-20 06:46:21,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:21,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278095992] [2021-11-20 06:46:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:21,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:21,660 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:46:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:21,665 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:46:21,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:21,665 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-11-20 06:46:21,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:21,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922735948] [2021-11-20 06:46:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:21,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:21,671 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:46:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:21,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:46:21,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:21,675 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2021-11-20 06:46:21,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:21,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860392841] [2021-11-20 06:46:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:21,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:21,681 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:46:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:46:21,685 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:46:21,700 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:46:21,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:46:21,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:46:21,700 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:46:21,700 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:46:21,700 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:46:21,701 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:46:21,701 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration2_Loop [2021-11-20 06:46:21,701 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:46:21,701 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:46:21,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:21,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:46:21,746 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:46:21,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:46:21,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:46:21,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:46:21,795 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:46:21,795 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:46:21,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:21,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:21,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:46:21,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:46:21,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:46:21,861 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:46:21,861 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:46:21,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:21,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,895 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:46:21,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:46:21,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:46:21,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-20 06:46:21,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:21,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:21,937 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:21,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:46:21,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:46:21,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:46:22,007 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:46:22,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:22,011 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:46:22,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:46:22,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:46:22,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:46:22,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:46:22,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:22,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:46:22,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:46:22,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB16.c_Iteration2_Loop [2021-11-20 06:46:22,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:46:22,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:46:22,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:22,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:22,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:46:22,070 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:46:22,070 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:46:22,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:22,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:22,071 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:22,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:46:22,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:46:22,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:46:22,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:46:22,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:46:22,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:46:22,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:46:22,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:46:22,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:46:22,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-20 06:46:22,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:22,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:22,135 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:22,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:46:22,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:46:22,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:46:22,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:46:22,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:46:22,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:46:22,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:46:22,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:46:22,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:46:22,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:22,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:22,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:22,212 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:22,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:46:22,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:46:22,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:46:22,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:46:22,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:46:22,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:46:22,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:46:22,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:46:22,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:46:22,246 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:46:22,250 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 06:46:22,250 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 06:46:22,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:46:22,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:22,251 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:22,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:46:22,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:46:22,252 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 06:46:22,252 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:46:22,252 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-11-20 06:46:22,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:46:22,273 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 06:46:22,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:22,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:46:22,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:46:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:22,307 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:46:22,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:46:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:46:22,309 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-20 06:46:22,309 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:22,321 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 19 transitions. Complement of second has 4 states. [2021-11-20 06:46:22,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 06:46:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:46:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-11-20 06:46:22,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-20 06:46:22,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:46:22,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-20 06:46:22,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:46:22,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 06:46:22,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:46:22,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2021-11-20 06:46:22,327 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:46:22,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-11-20 06:46:22,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:46:22,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:46:22,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:46:22,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:46:22,329 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:46:22,329 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:46:22,329 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:46:22,329 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:46:22,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:46:22,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:46:22,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:46:22,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:46:22 BoogieIcfgContainer [2021-11-20 06:46:22,344 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:46:22,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:46:22,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:46:22,345 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:46:22,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:20" (3/4) ... [2021-11-20 06:46:22,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:46:22,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:46:22,354 INFO L158 Benchmark]: Toolchain (without parser) took 2338.25ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 81.7MB in the end (delta: 773.1kB). Peak memory consumption was 198.7kB. Max. memory is 16.1GB. [2021-11-20 06:46:22,354 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:46:22,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.65ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 97.3MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:46:22,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.20ms. Allocated memory is still 119.5MB. Free memory was 97.3MB in the beginning and 96.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:46:22,357 INFO L158 Benchmark]: Boogie Preprocessor took 31.38ms. Allocated memory is still 119.5MB. Free memory was 96.2MB in the beginning and 95.3MB in the end (delta: 896.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:46:22,358 INFO L158 Benchmark]: RCFGBuilder took 279.76ms. Allocated memory is still 119.5MB. Free memory was 95.3MB in the beginning and 86.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:46:22,361 INFO L158 Benchmark]: BuchiAutomizer took 1746.94ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 81.7MB in the end (delta: 5.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-11-20 06:46:22,364 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 119.5MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:46:22,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.65ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 97.3MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.20ms. Allocated memory is still 119.5MB. Free memory was 97.3MB in the beginning and 96.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.38ms. Allocated memory is still 119.5MB. Free memory was 96.2MB in the beginning and 95.3MB in the end (delta: 896.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.76ms. Allocated memory is still 119.5MB. Free memory was 95.3MB in the beginning and 86.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1746.94ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 81.7MB in the end (delta: 5.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 119.5MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 12 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax206 hnf100 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:46:22,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-20 06:46:22,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c3ca78-a4a9-496b-9233-33c6550dc383/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE