./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer --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 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:56,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:56,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:56,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:56,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:56,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:56,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:56,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:56,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:56,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:56,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:56,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:56,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:56,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:56,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:56,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:56,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:56,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:56,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:56,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:56,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:56,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:56,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:56,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:56,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:56,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:56,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:56,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:56,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:56,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:56,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:56,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:56,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:56,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:56,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:56,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:56,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:56,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:56,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:56,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:56,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:56,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 02:56:56,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:56,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:56,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:56,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:56,550 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:56,551 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 02:56:56,554 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 02:56:56,554 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 02:56:56,554 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 02:56:56,554 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 02:56:56,556 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 02:56:56,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:56,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:56:56,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:56,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:56,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 02:56:56,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 02:56:56,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 02:56:56,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:56,559 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 02:56:56,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:56,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 02:56:56,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:56,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:56,564 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 02:56:56,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:56,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:56,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:56,566 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 02:56:56,567 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 02:56:56,571 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-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2020-11-28 02:56:56,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:56,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:56,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:56,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:56,893 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:56,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2020-11-28 02:56:56,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/data/7b545479e/ffcb2221ea5047d4b7558b8f58cf3634/FLAG73d409674 [2020-11-28 02:56:57,423 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:57,423 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2020-11-28 02:56:57,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/data/7b545479e/ffcb2221ea5047d4b7558b8f58cf3634/FLAG73d409674 [2020-11-28 02:56:57,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/data/7b545479e/ffcb2221ea5047d4b7558b8f58cf3634 [2020-11-28 02:56:57,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:57,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:57,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:57,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:57,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:57,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:57" (1/1) ... [2020-11-28 02:56:57,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75070d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:57, skipping insertion in model container [2020-11-28 02:56:57,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:57" (1/1) ... [2020-11-28 02:56:57,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:57,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:58,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:58,048 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:58,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:58,098 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:58,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58 WrapperNode [2020-11-28 02:56:58,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:58,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:58,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:58,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:58,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:58,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:58,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:58,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:58,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... [2020-11-28 02:56:58,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:58,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:58,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:58,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:58,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:58,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:58,494 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:58,495 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 02:56:58,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:58 BoogieIcfgContainer [2020-11-28 02:56:58,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:58,497 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 02:56:58,497 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 02:56:58,501 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 02:56:58,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:56:58,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:56:57" (1/3) ... [2020-11-28 02:56:58,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22eb11ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:56:58, skipping insertion in model container [2020-11-28 02:56:58,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:56:58,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:58" (2/3) ... [2020-11-28 02:56:58,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22eb11ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:56:58, skipping insertion in model container [2020-11-28 02:56:58,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:56:58,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:58" (3/3) ... [2020-11-28 02:56:58,506 INFO L373 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2020-11-28 02:56:58,602 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 02:56:58,602 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 02:56:58,602 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 02:56:58,603 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:58,603 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:58,603 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 02:56:58,603 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:58,603 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 02:56:58,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-28 02:56:58,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 02:56:58,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:56:58,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:56:58,643 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 02:56:58,644 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:56:58,644 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 02:56:58,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-11-28 02:56:58,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 02:56:58,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:56:58,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:56:58,647 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 02:56:58,647 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:56:58,653 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2020-11-28 02:56:58,654 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2020-11-28 02:56:58,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:58,659 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2020-11-28 02:56:58,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:58,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099887603] [2020-11-28 02:56:58,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:58,745 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:58,753 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:58,769 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:58,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:58,772 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2020-11-28 02:56:58,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:58,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035218571] [2020-11-28 02:56:58,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:58,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:58,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:58,793 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:58,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2020-11-28 02:56:58,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:58,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352664898] [2020-11-28 02:56:58,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:58,826 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:58,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:58,859 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:58,977 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:58,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:58,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:58,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:58,978 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:56:58,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:58,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:58,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:58,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2020-11-28 02:56:58,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:58,978 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:58,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,201 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:59,201 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:59,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:59,222 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:59,247 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:59,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 02:56:59,314 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:59,315 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:59,345 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:56:59,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 02:56:59,555 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:56:59,556 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:59,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:59,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:59,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:59,557 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:56:59,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:59,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:59,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2020-11-28 02:56:59,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:59,558 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:59,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:56:59,712 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:59,716 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:59,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:59,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:59,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:59,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:59,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:59,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:59,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:59,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:59,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:59,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:59,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:59,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:59,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:56:59,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:59,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:59,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:59,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:59,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:59,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:59,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:59,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:56:59,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:59,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:59,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:59,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:59,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:59,901 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:59,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:59,903 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:59,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:59,941 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:59,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:59,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:59,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:59,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:59,952 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:59,962 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:59,962 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:59,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:00,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:00,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:00,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:00,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:00,004 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:57:00,016 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:57:00,017 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:57:00,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:00,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:00,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:00,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:00,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:00,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:00,072 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:57:00,077 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:57:00,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:00,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:00,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:00,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:00,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:00,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:00,134 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:57:00,134 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:57:00,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:00,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:00,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:57:00,175 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:00,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:00,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:00,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:00,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:00,186 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:57:00,192 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:57:00,192 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:00,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:00,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:00,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:00,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:00,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:00,245 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:57:00,256 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:57:00,256 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:57:00,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:00,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:00,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:00,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:00,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:00,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:00,315 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:57:00,321 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:57:00,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:00,328 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 02:57:00,362 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-28 02:57:00,362 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:00,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 02:57:00,408 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 02:57:00,408 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 02:57:00,408 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2020-11-28 02:57:00,442 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 02:57:00,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:00,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:57:00,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:00,535 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 02:57:00,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:00,806 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-11-28 02:57:00,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:00,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:00,975 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-28 02:57:00,976 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2020-11-28 02:57:01,111 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2020-11-28 02:57:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 02:57:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 02:57:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2020-11-28 02:57:01,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2020-11-28 02:57:01,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:01,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2020-11-28 02:57:01,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:01,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-28 02:57:01,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:01,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2020-11-28 02:57:01,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 02:57:01,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2020-11-28 02:57:01,128 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 02:57:01,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 02:57:01,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2020-11-28 02:57:01,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 02:57:01,129 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-11-28 02:57:01,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2020-11-28 02:57:01,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-11-28 02:57:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 02:57:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-11-28 02:57:01,150 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 02:57:01,150 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 02:57:01,150 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 02:57:01,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-11-28 02:57:01,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 02:57:01,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:57:01,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:57:01,152 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 02:57:01,152 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:57:01,152 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2020-11-28 02:57:01,152 INFO L796 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2020-11-28 02:57:01,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:01,153 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2020-11-28 02:57:01,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:01,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239124077] [2020-11-28 02:57:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:01,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:01,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:01,174 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:01,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:01,175 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2020-11-28 02:57:01,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:01,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814080168] [2020-11-28 02:57:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:01,181 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:01,185 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:01,186 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:01,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:01,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2020-11-28 02:57:01,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:01,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751054568] [2020-11-28 02:57:01,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:01,196 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:01,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:01,207 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:01,243 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:57:01,243 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:57:01,243 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:57:01,243 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:57:01,243 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:57:01,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:01,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:57:01,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:57:01,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2020-11-28 02:57:01,244 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:57:01,244 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:57:01,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,361 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:57:01,361 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:01,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:57:01,372 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:01,376 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:57:01,376 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: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:01,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:57:01,419 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:01,423 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:57:01,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:01,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:57:01,471 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:01,480 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:57:01,480 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: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:01,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:57:01,522 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:01,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:57:01,572 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:01,814 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:57:01,816 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:57:01,816 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:57:01,816 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:57:01,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:57:01,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:57:01,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:01,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:57:01,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:57:01,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2020-11-28 02:57:01,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:57:01,817 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:57:01,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:01,960 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:57:01,960 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:01,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:01,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:01,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:01,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:01,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:01,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:01,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:01,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:02,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:02,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,028 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:57:02,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:02,029 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:57:02,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:02,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:02,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:02,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:02,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:02,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:02,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:02,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:02,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:02,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:57:02,153 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:02,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:02,164 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:57:02,168 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:57:02,168 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:02,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,202 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:57:02,202 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:57:02,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:02,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:02,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:02,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:02,231 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:57:02,235 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:57:02,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:02,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:02,262 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:57:02,265 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:57:02,265 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:57:02,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:57:02,293 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:02,297 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:57:02,301 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:57:02,301 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:57:02,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:02,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,342 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:57:02,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:57:02,343 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:57:02,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:02,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:02,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:57:02,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:02,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:02,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:02,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:02,386 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:57:02,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:57:02,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:02,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,402 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-28 02:57:02,403 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35534ecf-77be-4c80-82a2-37eae1081e4b/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:02,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 02:57:02,409 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 02:57:02,409 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 02:57:02,409 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:02,434 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 02:57:02,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:02,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:57:02,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:02,526 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 02:57:02,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:02,541 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,543 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,546 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,548 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,557 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,574 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,583 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,590 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,623 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,635 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 02:57:02,640 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,643 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,645 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,658 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 02:57:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:02,924 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-28 02:57:02,924 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-28 02:57:02,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2020-11-28 02:57:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 02:57:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 02:57:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-11-28 02:57:02,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-28 02:57:02,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:02,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2020-11-28 02:57:02,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:02,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2020-11-28 02:57:02,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:02,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2020-11-28 02:57:02,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:57:02,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-11-28 02:57:02,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 02:57:02,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 02:57:02,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 02:57:02,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:57:02,990 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:02,990 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:02,990 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:02,990 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 02:57:02,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:02,990 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:57:02,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 02:57:02,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:57:02 BoogieIcfgContainer [2020-11-28 02:57:02,996 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 02:57:02,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:02,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:02,997 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:02,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:58" (3/4) ... [2020-11-28 02:57:03,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:57:03,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:03,001 INFO L168 Benchmark]: Toolchain (without parser) took 5133.27 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 61.6 MB in the beginning and 40.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:03,002 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 8.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:03,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.03 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 68.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:03,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 90.2 MB. Free memory was 68.7 MB in the beginning and 67.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:03,003 INFO L168 Benchmark]: Boogie Preprocessor took 18.35 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 66.4 MB in the end (delta: 881.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:03,004 INFO L168 Benchmark]: RCFGBuilder took 346.20 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 57.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:03,005 INFO L168 Benchmark]: BuchiAutomizer took 4498.74 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 57.4 MB in the beginning and 40.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:03,005 INFO L168 Benchmark]: Witness Printer took 3.81 ms. Allocated memory is still 109.1 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:03,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 49.1 MB in the beginning and 49.1 MB in the end (delta: 8.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 220.03 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 68.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 90.2 MB. Free memory was 68.7 MB in the beginning and 67.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.35 ms. Allocated memory is still 90.2 MB. Free memory was 67.3 MB in the beginning and 66.4 MB in the end (delta: 881.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 346.20 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 57.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4498.74 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 57.4 MB in the beginning and 40.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.81 ms. Allocated memory is still 109.1 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. 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 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...