./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/chunk1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/chunk1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 0673538459dd2523ead2e02bcab6f07cef7899c9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:19:50,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:19:50,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:19:50,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:19:50,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:19:50,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:19:50,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:19:50,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:19:50,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:19:50,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:19:50,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:19:50,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:19:50,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:19:50,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:19:50,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:19:50,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:19:50,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:19:50,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:19:50,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:19:50,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:19:50,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:19:50,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:19:50,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:19:50,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:19:50,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:19:50,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:19:50,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:19:50,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:19:50,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:19:50,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:19:50,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:19:50,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:19:50,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:19:50,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:19:50,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:19:50,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:19:50,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:19:50,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:19:50,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:19:50,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:19:50,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:19:50,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:19:50,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:19:50,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:19:50,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:19:50,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:19:50,723 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:19:50,723 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:19:50,723 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:19:50,723 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:19:50,723 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:19:50,724 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:19:50,724 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:19:50,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:19:50,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:19:50,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:19:50,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:19:50,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:19:50,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:19:50,725 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:19:50,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:19:50,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:19:50,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:19:50,726 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:19:50,726 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:19:50,726 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 -> 0673538459dd2523ead2e02bcab6f07cef7899c9 [2019-12-07 17:19:50,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:19:50,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:19:50,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:19:50,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:19:50,833 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:19:50,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/chunk1.i [2019-12-07 17:19:50,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/data/170435855/97dbd8d150934cb3a235063ea61aedf8/FLAGab03094b5 [2019-12-07 17:19:51,281 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:19:51,282 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/sv-benchmarks/c/termination-recursive-malloc/chunk1.i [2019-12-07 17:19:51,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/data/170435855/97dbd8d150934cb3a235063ea61aedf8/FLAGab03094b5 [2019-12-07 17:19:51,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/bin/uautomizer/data/170435855/97dbd8d150934cb3a235063ea61aedf8 [2019-12-07 17:19:51,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:19:51,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:19:51,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:19:51,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:19:51,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:19:51,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5081d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51, skipping insertion in model container [2019-12-07 17:19:51,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:19:51,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:19:51,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:19:51,463 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:19:51,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:19:51,487 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:19:51,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51 WrapperNode [2019-12-07 17:19:51,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:19:51,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:19:51,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:19:51,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:19:51,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:19:51,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:19:51,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:19:51,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:19:51,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... [2019-12-07 17:19:51,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:19:51,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:19:51,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:19:51,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:19:51,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:19:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:19:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2019-12-07 17:19:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2019-12-07 17:19:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:19:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:19:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:19:51,694 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:19:51,694 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 17:19:51,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:19:51 BoogieIcfgContainer [2019-12-07 17:19:51,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:19:51,696 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:19:51,696 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:19:51,699 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:19:51,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:19:51,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:19:51" (1/3) ... [2019-12-07 17:19:51,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19c475a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:19:51, skipping insertion in model container [2019-12-07 17:19:51,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:19:51,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:19:51" (2/3) ... [2019-12-07 17:19:51,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19c475a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:19:51, skipping insertion in model container [2019-12-07 17:19:51,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:19:51,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:19:51" (3/3) ... [2019-12-07 17:19:51,702 INFO L371 chiAutomizerObserver]: Analyzing ICFG chunk1.i [2019-12-07 17:19:51,733 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:19:51,734 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:19:51,734 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:19:51,734 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:19:51,734 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:19:51,734 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:19:51,734 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:19:51,734 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:19:51,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:19:51,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:19:51,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:19:51,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:19:51,765 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 17:19:51,765 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:19:51,765 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:19:51,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:19:51,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:19:51,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:19:51,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:19:51,767 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 17:19:51,767 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:19:51,772 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet6, main_#t~nondet7, main_~data~0.base, main_~data~0.offset, main_~i~0, main_~upper~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(16);main_~data~0.base, main_~data~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~upper~0 := main_#t~nondet7;havoc main_#t~nondet7; 14#L25true assume !(main_~i~0 >= main_~upper~0); 9#L28true call chunk(main_~data~0.base, main_~data~0.offset);< 11#chunkENTRYtrue [2019-12-07 17:19:51,772 INFO L796 eck$LassoCheckResult]: Loop: 11#chunkENTRYtrue ~data.base, ~data.offset := #in~data.base, #in~data.offset;call #t~mem1 := read~int(~data.base, ~data.offset, 4);call #t~mem2 := read~int(~data.base, 12 + ~data.offset, 4); 13#L9true assume !(#t~mem1 >= #t~mem2);havoc #t~mem2;havoc #t~mem1;call #t~mem3 := read~int(~data.base, ~data.offset, 4);#t~post4 := #t~mem3;call write~int(1 + #t~post4, ~data.base, ~data.offset, 4);havoc #t~post4;havoc #t~mem3; 6#L15true call chunk(~data.base, ~data.offset);< 11#chunkENTRYtrue [2019-12-07 17:19:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:19:51,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1141162, now seen corresponding path program 1 times [2019-12-07 17:19:51,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:19:51,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520926967] [2019-12-07 17:19:51,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:19:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:19:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:19:51,867 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:19:51,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:19:51,868 INFO L82 PathProgramCache]: Analyzing trace with hash 29934, now seen corresponding path program 1 times [2019-12-07 17:19:51,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:19:51,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504667036] [2019-12-07 17:19:51,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:19:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:19:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:19:51,887 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:19:51,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:19:51,888 INFO L82 PathProgramCache]: Analyzing trace with hash -363381083, now seen corresponding path program 1 times [2019-12-07 17:19:51,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:19:51,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884791642] [2019-12-07 17:19:51,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:19:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:19:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:19:51,916 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:19:52,197 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:19:52,198 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:19:52,198 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:19:52,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:19:52,198 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:19:52,199 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,199 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:19:52,199 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:19:52,199 INFO L133 ssoRankerPreferences]: Filename of dumped script: chunk1.i_Iteration1_Lasso [2019-12-07 17:19:52,199 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:19:52,199 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:19:52,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:19:52,473 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:19:52,476 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,480 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 [2019-12-07 17:19:52,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,490 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 [2019-12-07 17:19:52,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,500 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 [2019-12-07 17:19:52,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,506 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 [2019-12-07 17:19:52,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,514 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 [2019-12-07 17:19:52,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,521 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 [2019-12-07 17:19:52,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,528 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 [2019-12-07 17:19:52,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:19:52,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:19:52,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,540 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 [2019-12-07 17:19:52,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,547 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 [2019-12-07 17:19:52,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,554 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 [2019-12-07 17:19:52,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,561 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 [2019-12-07 17:19:52,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,568 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 [2019-12-07 17:19:52,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,575 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 [2019-12-07 17:19:52,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,581 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 [2019-12-07 17:19:52,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,588 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 [2019-12-07 17:19:52,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:19:52,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:19:52,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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 [2019-12-07 17:19:52,600 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 [2019-12-07 17:19:52,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,607 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 [2019-12-07 17:19:52,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,614 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 [2019-12-07 17:19:52,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:19:52,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:19:52,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:19:52,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,621 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 [2019-12-07 17:19:52,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,623 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 17:19:52,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,625 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 17:19:52,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:19:52,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,635 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 [2019-12-07 17:19:52,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:19:52,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:19:52,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,646 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 [2019-12-07 17:19:52,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:19:52,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:19:52,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,661 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 [2019-12-07 17:19:52,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:19:52,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:19:52,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,680 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 [2019-12-07 17:19:52,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:19:52,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:19:52,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:19:52,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:19:52,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:19:52,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:19:52,692 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:19:52,708 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 17:19:52,708 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_824a98c7-871c-4e46-bd9b-a1f137eb1243/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:19:52,713 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:19:52,716 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:19:52,716 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:19:52,717 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1, v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1) = -1*v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1 + 1*v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1 Supporting invariants [] [2019-12-07 17:19:52,727 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 17:19:52,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:19:52,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:19:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:19:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:19:52,770 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:19:52,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:19:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:19:52,788 INFO L264 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 17:19:52,788 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:19:52,838 INFO L343 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2019-12-07 17:19:52,838 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 29 [2019-12-07 17:19:52,840 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:19:52,844 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:19:52,844 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:19:52,844 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:31 [2019-12-07 17:19:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:19:52,865 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 [2019-12-07 17:19:52,866 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2019-12-07 17:19:52,935 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 30 states and 34 transitions. Complement of second has 16 states. [2019-12-07 17:19:52,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 17:19:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:19:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 17:19:52,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2019-12-07 17:19:52,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:19:52,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 17:19:52,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:19:52,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 17:19:52,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:19:52,940 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2019-12-07 17:19:52,942 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:19:52,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2019-12-07 17:19:52,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:19:52,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:19:52,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:19:52,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:19:52,945 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:19:52,945 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:19:52,945 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:19:52,945 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:19:52,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:19:52,945 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:19:52,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:19:52,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:19:52 BoogieIcfgContainer [2019-12-07 17:19:52,949 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:19:52,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:19:52,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:19:52,950 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:19:52,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:19:51" (3/4) ... [2019-12-07 17:19:52,952 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:19:52,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:19:52,953 INFO L168 Benchmark]: Toolchain (without parser) took 1654.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:19:52,953 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:19:52,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:19:52,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:19:52,954 INFO L168 Benchmark]: Boogie Preprocessor took 13.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:19:52,955 INFO L168 Benchmark]: RCFGBuilder took 171.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:19:52,955 INFO L168 Benchmark]: BuchiAutomizer took 1253.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:19:52,956 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:19:52,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 171.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1253.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[data][data] + unknown-#memory_int-unknown[data][data + 12] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 8 SDslu, 3 SDs, 0 SdLazy, 21 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital104 mio100 ax100 hnf100 lsp94 ukn75 mio100 lsp35 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...