./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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 32bit --witnessprinter.graph.data.programhash 7d05936c4bb1bb97a4b24ebc11d02c0e844c743b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:17,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:17,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:17,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:17,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:17,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:17,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:17,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:17,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:17,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:17,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:17,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:17,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:17,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:17,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:17,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:17,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:17,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:17,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:17,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:17,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:17,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:17,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:17,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:17,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:17,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:17,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:17,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:17,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:17,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:17,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:17,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:17,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:17,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:17,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:17,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:17,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:17,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:17,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:17,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:17,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:17,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:17,689 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:17,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:17,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:17,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:17,690 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:17,691 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:17,691 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:17,691 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:17,691 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:17,691 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:17,692 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:17,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:17,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:17,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:17,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:17,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:17,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:17,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:17,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:17,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:17,693 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:17,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:17,694 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:17,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:17,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:17,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:17,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:17,695 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:17,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:17,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:17,695 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:17,696 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:17,696 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/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d05936c4bb1bb97a4b24ebc11d02c0e844c743b [2019-10-22 08:56:17,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:17,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:17,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:17,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:17,738 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:17,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2019-10-22 08:56:17,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/data/d261d7019/f6833bf7e7f544d3825ff3ca3a6953cf/FLAGf6833701b [2019-10-22 08:56:18,176 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:18,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2019-10-22 08:56:18,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/data/d261d7019/f6833bf7e7f544d3825ff3ca3a6953cf/FLAGf6833701b [2019-10-22 08:56:18,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/bin/uautomizer/data/d261d7019/f6833bf7e7f544d3825ff3ca3a6953cf [2019-10-22 08:56:18,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:18,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:18,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:18,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:18,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:18,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db99b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18, skipping insertion in model container [2019-10-22 08:56:18,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,211 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:18,225 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:18,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:18,353 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:18,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:18,435 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:18,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18 WrapperNode [2019-10-22 08:56:18,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:18,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:18,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:18,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:18,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:18,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:18,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:18,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:18,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... [2019-10-22 08:56:18,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:18,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:18,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:18,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:18,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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 [2019-10-22 08:56:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-10-22 08:56:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-10-22 08:56:18,661 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:18,661 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 08:56:18,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:18 BoogieIcfgContainer [2019-10-22 08:56:18,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:18,663 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:18,663 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:18,666 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:18,667 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:18,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:18" (1/3) ... [2019-10-22 08:56:18,668 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18604d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:18, skipping insertion in model container [2019-10-22 08:56:18,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:18,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:18" (2/3) ... [2019-10-22 08:56:18,669 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18604d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:18, skipping insertion in model container [2019-10-22 08:56:18,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:18,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:18" (3/3) ... [2019-10-22 08:56:18,670 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i20_o20-2.c [2019-10-22 08:56:18,715 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:18,715 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:18,715 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:18,715 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:18,716 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:18,716 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:18,716 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:18,716 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:18,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-10-22 08:56:18,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:18,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:18,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:18,760 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:56:18,761 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:18,761 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:18,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-10-22 08:56:18,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:56:18,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:18,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:18,763 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:56:18,763 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:18,770 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 20; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2019-10-22 08:56:18,770 INFO L793 eck$LassoCheckResult]: Loop: 9#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id(~x - 1);< 9#idENTRYtrue [2019-10-22 08:56:18,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:18,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2019-10-22 08:56:18,786 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:18,786 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887917288] [2019-10-22 08:56:18,786 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,786 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:18,853 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:18,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:18,854 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2019-10-22 08:56:18,854 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:18,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340204267] [2019-10-22 08:56:18,855 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,855 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:18,866 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:18,869 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2019-10-22 08:56:18,870 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:18,870 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383547881] [2019-10-22 08:56:18,870 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,870 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:18,888 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:18,997 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:18,998 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:18,998 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:18,998 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:18,998 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:18,998 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:18,998 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:18,998 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:18,998 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-2.c_Iteration1_Loop [2019-10-22 08:56:18,998 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:18,999 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:19,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,169 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:19,171 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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) [2019-10-22 08:56:19,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:19,179 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 [2019-10-22 08:56:19,188 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:19,188 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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) [2019-10-22 08:56:19,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:19,198 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:19,204 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:19,204 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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) [2019-10-22 08:56:19,211 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:19,211 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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) [2019-10-22 08:56:19,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:19,224 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:19,246 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:19,246 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-1} Honda state: {id_#in~x=-1} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 0, 5] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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) [2019-10-22 08:56:19,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:19,254 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:19,259 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:19,259 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-10-22 08:56:19,290 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:19,291 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:19,291 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:19,291 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:19,291 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:19,291 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:19,291 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:19,291 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:19,292 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-2.c_Iteration1_Lasso [2019-10-22 08:56:19,292 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:19,292 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:19,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,404 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:19,404 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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 [2019-10-22 08:56:19,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:19,410 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:19,413 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:19,414 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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) [2019-10-22 08:56:19,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:19,421 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f24ff67-904f-44d0-b98d-d0df2ae568cd/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) [2019-10-22 08:56:19,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:19,437 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:19,448 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:19,451 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:19,451 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:19,451 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:19,451 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:19,451 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:19,451 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:19,451 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:19,451 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:19,452 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_i20_o20-2.c_Iteration1_Lasso [2019-10-22 08:56:19,452 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:19,452 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:19,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:19,554 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:19,557 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:19,558 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 [2019-10-22 08:56:19,560 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:19,560 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:19,561 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:19,561 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:19,561 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:19,562 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:19,562 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:19,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:19,566 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 [2019-10-22 08:56:19,566 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:19,567 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:19,567 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:19,567 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:19,567 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:19,568 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:19,568 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:19,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:19,570 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 [2019-10-22 08:56:19,570 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:19,570 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:19,571 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:19,571 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:19,571 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:19,571 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:19,571 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:19,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:19,574 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 [2019-10-22 08:56:19,574 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:19,575 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:19,575 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:19,575 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:19,575 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:19,576 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:19,576 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:19,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:19,577 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 [2019-10-22 08:56:19,578 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:19,578 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:19,578 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:19,578 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:19,578 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:19,579 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:19,579 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:19,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:19,582 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 [2019-10-22 08:56:19,583 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:19,583 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:19,583 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:19,583 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:19,583 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:19,584 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:19,584 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:19,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:19,585 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 [2019-10-22 08:56:19,586 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:19,586 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:19,586 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:19,586 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:19,601 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-10-22 08:56:19,601 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:56:19,753 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:19,789 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:56:19,789 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. [2019-10-22 08:56:19,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:19,796 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-10-22 08:56:19,796 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:19,797 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2019-10-22 08:56:19,801 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-10-22 08:56:19,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:19,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 08:56:19,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:19,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 08:56:19,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:19,947 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-10-22 08:56:19,949 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-10-22 08:56:20,081 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2019-10-22 08:56:20,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:56:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 08:56:20,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-10-22 08:56:20,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2019-10-22 08:56:20,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:20,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2019-10-22 08:56:20,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:20,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2019-10-22 08:56:20,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:20,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-10-22 08:56:20,090 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:20,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-10-22 08:56:20,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:20,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:20,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:20,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:20,096 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:20,096 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:20,097 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:20,097 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:20,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:20,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:20,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:20,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:20 BoogieIcfgContainer [2019-10-22 08:56:20,110 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:20,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:20,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:20,110 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:20,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:18" (3/4) ... [2019-10-22 08:56:20,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:20,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:20,118 INFO L168 Benchmark]: Toolchain (without parser) took 1924.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.7 MB in the beginning and 977.1 MB in the end (delta: -35.3 MB). Peak memory consumption was 119.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:20,119 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:20,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.7 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:20,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:20,122 INFO L168 Benchmark]: Boogie Preprocessor took 14.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:20,123 INFO L168 Benchmark]: RCFGBuilder took 184.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:20,124 INFO L168 Benchmark]: BuchiAutomizer took 1446.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 156.4 MB). Peak memory consumption was 156.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:20,126 INFO L168 Benchmark]: Witness Printer took 5.66 ms. Allocated memory is still 1.2 GB. Free memory is still 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:20,129 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 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.7 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1446.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 156.4 MB). Peak memory consumption was 156.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.66 ms. Allocated memory is still 1.2 GB. Free memory is still 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq202 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 210ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...