./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --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_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 fb13e67548d34af589d64a91d36af5946c1dd198 ............................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:59:35,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:35,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:35,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:35,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:35,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:35,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:35,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:35,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:35,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:35,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:35,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:35,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:35,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:35,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:35,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:35,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:35,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:35,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:35,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:35,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:35,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:35,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:35,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:35,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:35,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:35,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:35,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:35,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:35,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:35,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:35,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:35,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:35,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:35,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:35,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:35,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:35,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:35,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:35,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:35,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:35,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:59:35,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:35,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:35,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:35,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:35,791 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:35,791 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:59:35,791 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:59:35,791 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:59:35,791 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:59:35,792 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:59:35,792 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:59:35,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:35,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:35,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:35,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:35,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:59:35,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:35,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:59:35,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:35,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:35,794 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:59:35,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:35,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:35,795 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:59:35,795 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:59:35,795 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_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 -> fb13e67548d34af589d64a91d36af5946c1dd198 [2019-10-22 08:59:35,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:35,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:35,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:35,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:35,834 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:35,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2019-10-22 08:59:35,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/data/3065c15c8/277ca1a97ec34b429f7d80a0afb11434/FLAG0bbc54378 [2019-10-22 08:59:36,252 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:36,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2019-10-22 08:59:36,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/data/3065c15c8/277ca1a97ec34b429f7d80a0afb11434/FLAG0bbc54378 [2019-10-22 08:59:36,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/bin/uautomizer/data/3065c15c8/277ca1a97ec34b429f7d80a0afb11434 [2019-10-22 08:59:36,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:36,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:36,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:36,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:36,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:36,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32531fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36, skipping insertion in model container [2019-10-22 08:59:36,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,697 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:36,711 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:36,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:36,843 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:36,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:36,931 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:36,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36 WrapperNode [2019-10-22 08:59:36,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:36,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:36,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:36,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:36,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:36,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:36,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:36,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:36,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... [2019-10-22 08:59:36,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:36,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:36,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:36,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:36,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 08:59:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:37,167 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:37,167 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:59:37,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:37 BoogieIcfgContainer [2019-10-22 08:59:37,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:37,169 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:59:37,169 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:59:37,174 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:59:37,175 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:37,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:59:36" (1/3) ... [2019-10-22 08:59:37,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef4902d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:37, skipping insertion in model container [2019-10-22 08:59:37,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:37,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:36" (2/3) ... [2019-10-22 08:59:37,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef4902d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:59:37, skipping insertion in model container [2019-10-22 08:59:37,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:59:37,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:37" (3/3) ... [2019-10-22 08:59:37,178 INFO L371 chiAutomizerObserver]: Analyzing ICFG cggmp2005_variant.i [2019-10-22 08:59:37,275 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:59:37,276 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:59:37,276 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:59:37,276 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:37,276 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:37,276 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:59:37,276 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:37,276 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:59:37,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-10-22 08:59:37,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:59:37,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:37,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:37,313 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:59:37,313 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:59:37,313 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:59:37,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-10-22 08:59:37,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:59:37,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:59:37,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:59:37,315 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:59:37,315 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:59:37,322 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~lo~0, main_~mid~0, main_~hi~0;havoc main_~lo~0;havoc main_~mid~0;havoc main_~hi~0;main_~lo~0 := 0;main_~mid~0 := main_#t~nondet1;havoc main_#t~nondet1; 10#L14true assume !!(main_~mid~0 > 0 && main_~mid~0 <= 1000000);main_~hi~0 := 2 * main_~mid~0; 11#L16-2true [2019-10-22 08:59:37,322 INFO L793 eck$LassoCheckResult]: Loop: 11#L16-2true assume !!(main_~mid~0 > 0);main_~lo~0 := 1 + main_~lo~0;main_~hi~0 := main_~hi~0 - 1;main_~mid~0 := main_~mid~0 - 1; 11#L16-2true [2019-10-22 08:59:37,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:37,327 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-10-22 08:59:37,334 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:37,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390636080] [2019-10-22 08:59:37,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:37,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:37,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:37,437 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:37,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:37,439 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2019-10-22 08:59:37,439 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:37,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219003726] [2019-10-22 08:59:37,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:37,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:37,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:37,452 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:37,457 INFO L82 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2019-10-22 08:59:37,457 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:37,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458125378] [2019-10-22 08:59:37,458 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:37,458 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:37,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:37,472 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:37,543 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:37,544 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:37,544 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:37,544 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:37,544 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:59:37,544 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:37,545 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:37,545 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:37,545 INFO L131 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2019-10-22 08:59:37,545 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:37,545 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:37,559 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 08:59:37,570 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 08:59:37,574 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 08:59:37,636 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:37,637 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 08:59:37,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:37,648 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 [2019-10-22 08:59:37,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:59:37,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:37,684 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:37,685 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~lo~0=0} Honda state: {ULTIMATE.start_main_~lo~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~lo~0=1}, {ULTIMATE.start_main_~lo~0=0}, {ULTIMATE.start_main_~lo~0=0}] Lambdas: [1, 7, 4] Nus: [1, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 [2019-10-22 08:59:37,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:37,690 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 08:59:37,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:59:37,708 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 08:59:37,723 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:59:37,723 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~hi~0=0} Honda state: {ULTIMATE.start_main_~hi~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~hi~0=-2}, {ULTIMATE.start_main_~hi~0=2}, {ULTIMATE.start_main_~hi~0=-1}] Lambdas: [2, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 [2019-10-22 08:59:37,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:59:37,728 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8212b0df-0e9c-4956-a7c4-ef2528a6f3e8/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 08:59:37,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:59:37,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:59:37,742 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:59:37,744 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:59:37,744 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:59:37,744 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:59:37,744 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:59:37,744 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:59:37,745 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:59:37,745 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:59:37,745 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:59:37,745 INFO L131 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2019-10-22 08:59:37,745 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:59:37,745 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:59:37,746 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 08:59:37,750 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 08:59:37,754 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 08:59:37,796 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:59:37,800 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:59:37,802 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 08:59:37,811 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:37,811 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:37,812 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:37,812 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:37,812 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:37,814 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:37,814 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:37,829 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:37,829 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 08:59:37,830 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:37,830 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:37,830 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:37,830 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:37,830 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:37,831 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:37,831 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:37,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:59:37,839 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 08:59:37,840 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:59:37,840 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:59:37,840 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:59:37,840 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:59:37,840 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:59:37,841 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:59:37,841 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:59:37,855 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:59:37,867 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:59:37,867 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:59:37,869 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:59:37,869 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:59:37,869 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:59:37,869 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~mid~0) = 1*ULTIMATE.start_main_~mid~0 Supporting invariants [] [2019-10-22 08:59:37,880 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:59:37,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:37,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:59:37,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:37,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:59:37,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:59:37,964 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 08:59:37,980 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-10-22 08:59:37,981 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 2 states. [2019-10-22 08:59:38,011 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 2 states. Result 28 states and 33 transitions. Complement of second has 5 states. [2019-10-22 08:59:38,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 08:59:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-10-22 08:59:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-10-22 08:59:38,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 1 letters. [2019-10-22 08:59:38,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:38,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2019-10-22 08:59:38,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:38,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2019-10-22 08:59:38,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:59:38,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2019-10-22 08:59:38,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:38,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2019-10-22 08:59:38,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:59:38,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:59:38,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:59:38,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:59:38,024 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:38,024 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:38,024 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:38,024 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:59:38,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:38,025 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:59:38,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:59:38,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:59:38 BoogieIcfgContainer [2019-10-22 08:59:38,030 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:59:38,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:38,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:38,031 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:38,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:37" (3/4) ... [2019-10-22 08:59:38,035 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:59:38,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:38,037 INFO L168 Benchmark]: Toolchain (without parser) took 1353.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.1 MB in the beginning and 1.0 GB in the end (delta: -101.9 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,037 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:38,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:38,038 INFO L168 Benchmark]: Boogie Preprocessor took 16.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:38,039 INFO L168 Benchmark]: RCFGBuilder took 192.41 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,039 INFO L168 Benchmark]: BuchiAutomizer took 861.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:38,040 INFO L168 Benchmark]: Witness Printer took 3.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:38,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 248.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 192.41 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 861.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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 mid and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: 11 SDtfs, 11 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 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...