./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-01.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0 --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 f0ea6eb6d9aac121dbc855aee8ee7fcf4ac1c11a2c33cc2d774107d7d845e065 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:17:18,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:17:18,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:17:18,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:17:18,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:17:18,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:17:18,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:17:18,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:17:18,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:17:18,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:17:18,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:17:18,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:17:18,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:17:18,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:17:18,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:17:18,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:17:18,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:17:18,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:17:18,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:17:18,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:17:18,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:17:18,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:17:18,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:17:18,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:17:18,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:17:18,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:17:18,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:17:18,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:17:18,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:17:18,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:17:18,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:17:18,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:17:18,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:17:18,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:17:18,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:17:18,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:17:18,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:17:18,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:17:18,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:17:18,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:17:18,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:17:18,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-22 15:17:18,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:17:18,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:17:18,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:17:18,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:17:18,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:17:18,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:17:18,732 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:17:18,732 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 15:17:18,732 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 15:17:18,732 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 15:17:18,734 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 15:17:18,734 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 15:17:18,734 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 15:17:18,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:17:18,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 15:17:18,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:17:18,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:17:18,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 15:17:18,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 15:17:18,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 15:17:18,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:17:18,736 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 15:17:18,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:17:18,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 15:17:18,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:17:18,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:17:18,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:17:18,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:17:18,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:17:18,747 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 15:17:18,747 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_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0ea6eb6d9aac121dbc855aee8ee7fcf4ac1c11a2c33cc2d774107d7d845e065 [2021-11-22 15:17:19,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:17:19,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:17:19,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:17:19,126 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:17:19,127 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:17:19,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/termination-bwb/and-01.i [2021-11-22 15:17:19,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/data/d272afe21/145900246b134b40b3ab2b36a997a93c/FLAGbbe72022f [2021-11-22 15:17:19,851 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:17:19,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/sv-benchmarks/c/termination-bwb/and-01.i [2021-11-22 15:17:19,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/data/d272afe21/145900246b134b40b3ab2b36a997a93c/FLAGbbe72022f [2021-11-22 15:17:20,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/data/d272afe21/145900246b134b40b3ab2b36a997a93c [2021-11-22 15:17:20,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:17:20,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:17:20,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:17:20,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:17:20,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:17:20,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337f3683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20, skipping insertion in model container [2021-11-22 15:17:20,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:17:20,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:17:20,397 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 15:17:20,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:17:20,510 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:17:20,543 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 15:17:20,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:17:20,625 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:17:20,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20 WrapperNode [2021-11-22 15:17:20,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:17:20,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:17:20,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:17:20,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:17:20,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,674 INFO L137 Inliner]: procedures = 111, calls = 3, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-22 15:17:20,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:17:20,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:17:20,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:17:20,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:17:20,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:17:20,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:17:20,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:17:20,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:17:20,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (1/1) ... [2021-11-22 15:17:20,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:20,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:20,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:20,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 15:17:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:17:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:17:20,903 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:17:20,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:17:20,988 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:17:20,995 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:17:20,995 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 15:17:20,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:17:20 BoogieIcfgContainer [2021-11-22 15:17:20,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:17:20,998 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 15:17:20,998 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 15:17:21,002 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 15:17:21,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:17:21,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 03:17:20" (1/3) ... [2021-11-22 15:17:21,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a18da1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:17:21, skipping insertion in model container [2021-11-22 15:17:21,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:17:21,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:17:20" (2/3) ... [2021-11-22 15:17:21,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a18da1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 03:17:21, skipping insertion in model container [2021-11-22 15:17:21,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 15:17:21,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:17:20" (3/3) ... [2021-11-22 15:17:21,007 INFO L388 chiAutomizerObserver]: Analyzing ICFG and-01.i [2021-11-22 15:17:21,051 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 15:17:21,052 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 15:17:21,052 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 15:17:21,052 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 15:17:21,052 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 15:17:21,052 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 15:17:21,053 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 15:17:21,053 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 15:17:21,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2021-11-22 15:17:21,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-22 15:17:21,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:17:21,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:17:21,093 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-22 15:17:21,094 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-22 15:17:21,094 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 15:17:21,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2021-11-22 15:17:21,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-22 15:17:21,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 15:17:21,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 15:17:21,097 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-22 15:17:21,097 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-22 15:17:21,107 INFO L791 eck$LassoCheckResult]: Stem: 4#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~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5#L535true assume !!(main_~a~0#1 > 0); 7#L536-1true [2021-11-22 15:17:21,110 INFO L793 eck$LassoCheckResult]: Loop: 7#L536-1true assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;main_~x~0#1 := ~bitwiseAnd(main_~x~0#1, main_~a~0#1); 7#L536-1true [2021-11-22 15:17:21,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:21,128 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-22 15:17:21,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:21,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941727581] [2021-11-22 15:17:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:17:21,244 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:17:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:17:21,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:17:21,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:21,268 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2021-11-22 15:17:21,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:21,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822789208] [2021-11-22 15:17:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:21,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:17:21,281 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:17:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:17:21,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:17:21,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:21,288 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-11-22 15:17:21,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:21,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122327754] [2021-11-22 15:17:21,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:21,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:17:21,297 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:17:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:17:21,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:17:21,365 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:17:21,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:17:21,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:17:21,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:17:21,366 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 15:17:21,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:21,366 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:17:21,366 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:17:21,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01.i_Iteration1_Loop [2021-11-22 15:17:21,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:17:21,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:17:21,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:21,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:21,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:21,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:21,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:21,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:21,525 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:17:21,528 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 15:17:21,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:21,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:21,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:21,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:21,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 15:17:21,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:21,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:21,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:21,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 15:17:21,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:21,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 15:17:21,669 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:21,670 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-3}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=3}] Lambdas: [1, 4, 1] Nus: [0, 1] [2021-11-22 15:17:21,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:21,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:21,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:21,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:21,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:21,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:21,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 15:17:21,754 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:21,755 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_1=1} Honda state: {v_rep~unnamed0~0~P_PID_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:21,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:21,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:21,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:21,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:21,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:21,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:21,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 15:17:21,830 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:21,831 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_1=2} Honda state: {v_rep~unnamed0~0~P_PGID_1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:21,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:21,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:21,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:21,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:21,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:21,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:21,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 15:17:21,902 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:21,903 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:21,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:21,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:21,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:21,950 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:21,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:21,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:21,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 15:17:21,986 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:21,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_1=0} Honda state: {v_rep~unnamed0~0~P_ALL_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,033 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 15:17:22,065 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,065 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,114 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 15:17:22,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 15:17:22,115 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 15:17:22,115 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 15:17:22,115 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 15:17:22,115 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 15:17:22,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 15:17:22,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01.i_Iteration1_Lasso [2021-11-22 15:17:22,116 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 15:17:22,116 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 15:17:22,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 15:17:22,260 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 15:17:22,260 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 15:17:22,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,262 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 15:17:22,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,290 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,316 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 15:17:22,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,351 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,351 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,380 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 15:17:22,422 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,423 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 15:17:22,490 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,491 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,532 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 15:17:22,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,561 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,600 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 15:17:22,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,628 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,628 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,667 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-22 15:17:22,698 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,699 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,738 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,744 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-22 15:17:22,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,811 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 15:17:22,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-22 15:17:22,851 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,851 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~a~0#1=2}, {ULTIMATE.start_main_~a~0#1=-3}] Lambdas: [0, 1, 1] Nus: [0, 0] [2021-11-22 15:17:22,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:22,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 15:17:22,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:22,881 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 15:17:22,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-22 15:17:22,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 15:17:22,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 15:17:22,904 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 15:17:22,904 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_2=0} Honda state: {v_rep~unnamed0~0~P_ALL_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 15:17:22,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-22 15:17:22,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 03:17:22 BoogieIcfgContainer [2021-11-22 15:17:22,935 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 15:17:22,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:17:22,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:17:22,936 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:17:22,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:17:20" (3/4) ... [2021-11-22 15:17:22,940 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 15:17:22,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:17:22,942 INFO L158 Benchmark]: Toolchain (without parser) took 2847.42ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 72.5MB in the beginning and 71.9MB in the end (delta: 561.8kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-22 15:17:22,943 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:17:22,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.74ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 65.5MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 15:17:22,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.66ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:17:22,944 INFO L158 Benchmark]: Boogie Preprocessor took 21.99ms. Allocated memory is still 94.4MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 953.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:17:22,945 INFO L158 Benchmark]: RCFGBuilder took 299.87ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 54.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 15:17:22,946 INFO L158 Benchmark]: BuchiAutomizer took 1937.22ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 54.4MB in the beginning and 71.9MB in the end (delta: -17.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-22 15:17:22,946 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 123.7MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:17:22,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.74ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 65.5MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.66ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.99ms. Allocated memory is still 94.4MB. Free memory was 63.8MB in the beginning and 62.8MB in the end (delta: 953.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.87ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 54.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1937.22ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 54.4MB in the beginning and 71.9MB in the end (delta: -17.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 123.7MB. Free memory is still 71.9MB. 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax269 hnf100 lsp23 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq187 hnf100 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: x&a [538] (Reason bitwiseAnd) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !!(main_~a~0#1 > 0);" Loop: "assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;main_~x~0#1 := ~bitwiseAnd(main_~x~0#1, main_~a~0#1);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-22 15:17:23,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41833ad-a11f-4319-9fbc-8e3b0658c8de/bin/uautomizer-w2VwFs6gM0/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN