./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:55,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:55,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:55,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:55,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:55,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:55,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:55,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:55,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:55,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:55,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:55,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:55,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:55,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:55,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:55,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:55,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:55,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:55,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:55,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:55,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:55,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:55,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:55,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:55,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:55,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:55,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:55,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:55,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:55,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:55,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:55,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:55,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:55,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:55,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:55,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:55,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:55,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:55,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:55,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:55,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:55,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 09:02:55,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:55,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:55,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:55,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:55,652 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:55,652 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:02:55,652 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:02:55,653 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:02:55,653 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:02:55,653 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:02:55,653 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:02:55,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:55,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:55,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:55,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:55,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:02:55,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:02:55,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:02:55,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:55,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:02:55,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:55,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:02:55,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:55,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:55,655 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:02:55,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:55,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:55,656 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:02:55,657 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:02:55,657 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_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2019-10-22 09:02:55,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:55,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:55,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:55,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:55,701 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:55,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-10-22 09:02:55,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/data/2fb4aec36/908afcfd0fa9429b80ff59bb4b1848f8/FLAG527ae9137 [2019-10-22 09:02:56,121 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:56,121 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-10-22 09:02:56,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/data/2fb4aec36/908afcfd0fa9429b80ff59bb4b1848f8/FLAG527ae9137 [2019-10-22 09:02:56,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/data/2fb4aec36/908afcfd0fa9429b80ff59bb4b1848f8 [2019-10-22 09:02:56,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:56,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:56,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:56,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:56,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:56,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182b198d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56, skipping insertion in model container [2019-10-22 09:02:56,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,550 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:56,566 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:56,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:56,690 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:56,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:56,773 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:56,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56 WrapperNode [2019-10-22 09:02:56,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:56,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:56,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:56,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:56,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:56,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:56,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:56,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:56,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... [2019-10-22 09:02:56,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:56,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:56,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:56,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:56,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/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 09:02:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:57,062 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:57,063 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 09:02:57,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:57 BoogieIcfgContainer [2019-10-22 09:02:57,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:57,064 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:02:57,065 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:02:57,068 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:02:57,069 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:57,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:02:56" (1/3) ... [2019-10-22 09:02:57,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3247e4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:57, skipping insertion in model container [2019-10-22 09:02:57,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:57,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:56" (2/3) ... [2019-10-22 09:02:57,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3247e4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:57, skipping insertion in model container [2019-10-22 09:02:57,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:57,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:57" (3/3) ... [2019-10-22 09:02:57,072 INFO L371 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2019-10-22 09:02:57,121 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:02:57,122 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:02:57,122 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:02:57,122 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:57,123 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:57,123 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:02:57,123 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:57,124 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:02:57,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 09:02:57,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:02:57,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:57,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:57,173 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 09:02:57,173 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:02:57,173 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:02:57,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 09:02:57,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:02:57,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:57,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:57,176 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 09:02:57,176 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:02:57,184 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2019-10-22 09:02:57,186 INFO L793 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2019-10-22 09:02:57,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,193 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-10-22 09:02:57,202 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913659301] [2019-10-22 09:02:57,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:57,315 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:57,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,318 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2019-10-22 09:02:57,318 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,318 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290776877] [2019-10-22 09:02:57,318 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:57,339 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:57,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:57,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2019-10-22 09:02:57,343 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:57,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429441939] [2019-10-22 09:02:57,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:57,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:57,365 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:57,416 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:57,417 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:57,417 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:57,417 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:57,417 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:02:57,417 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:57,417 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:57,417 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:57,418 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-10-22 09:02:57,418 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:57,418 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:57,440 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 09:02:57,449 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 09:02:57,453 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 09:02:57,468 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 09:02:57,557 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:57,558 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:57,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:57,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:02:57,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:57,604 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/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 09:02:57,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:57,620 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 09:02:57,631 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:57,631 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/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 09:02:57,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:57,642 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:57,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:57,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:02:57,993 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:02:57,994 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:57,995 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:57,995 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:57,995 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:57,995 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:02:57,995 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:57,995 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:57,995 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:57,995 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-10-22 09:02:57,995 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:57,995 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:57,997 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 09:02:58,000 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 09:02:58,003 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 09:02:58,019 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 09:02:58,083 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:58,087 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:02:58,088 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 09:02:58,090 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,090 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,090 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,090 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:58,094 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:58,094 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:58,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,101 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 09:02:58,102 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,102 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,102 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,102 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:58,104 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:58,104 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:58,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,112 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 09:02:58,112 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,113 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:58,113 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,113 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,113 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:58,114 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:58,114 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:58,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,122 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 09:02:58,123 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,123 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:58,123 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,123 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 09:02:58,123 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:58,125 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:58,125 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:58,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,129 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:02:58,130 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 09:02:58,130 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,130 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,131 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,131 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:58,133 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:02:58,133 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:02:58,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,138 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 09:02:58,138 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,139 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,139 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,139 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:58,141 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:02:58,142 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:02:58,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,149 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 09:02:58,150 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,150 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:58,150 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,150 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,151 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:58,152 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:02:58,152 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:58,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,172 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 09:02:58,174 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,174 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:58,175 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,175 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 09:02:58,175 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:02:58,176 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:58,176 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:58,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,193 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:02:58,193 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 09:02:58,194 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,194 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,194 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,194 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:58,200 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:02:58,200 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:02:58,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,212 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 09:02:58,212 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,213 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,213 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,213 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:58,215 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:02:58,215 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:02:58,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:58,232 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 09:02:58,234 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:58,234 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:58,235 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:58,235 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:58,235 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:02:58,236 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:02:58,236 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:58,252 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:02:58,270 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 09:02:58,272 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 09:02:58,275 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:02:58,276 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 09:02:58,276 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:02:58,277 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-10-22 09:02:58,280 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 09:02:58,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:02:58,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:58,355 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:02:58,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:58,520 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-10-22 09:02:58,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:58,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:58,603 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 09:02:58,618 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-10-22 09:02:58,619 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-10-22 09:02:58,710 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2019-10-22 09:02:58,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-10-22 09:02:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 09:02:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-10-22 09:02:58,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-10-22 09:02:58,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:58,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2019-10-22 09:02:58,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:58,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2019-10-22 09:02:58,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:58,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2019-10-22 09:02:58,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:02:58,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2019-10-22 09:02:58,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-10-22 09:02:58,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-10-22 09:02:58,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-10-22 09:02:58,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 09:02:58,725 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-10-22 09:02:58,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-10-22 09:02:58,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-10-22 09:02:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-22 09:02:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-10-22 09:02:58,749 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-10-22 09:02:58,749 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-10-22 09:02:58,749 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:02:58,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-10-22 09:02:58,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:02:58,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:58,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:58,750 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:58,750 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:02:58,751 INFO L791 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2019-10-22 09:02:58,751 INFO L793 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2019-10-22 09:02:58,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,751 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2019-10-22 09:02:58,751 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724630205] [2019-10-22 09:02:58,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:58,762 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:58,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,762 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2019-10-22 09:02:58,762 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817322975] [2019-10-22 09:02:58,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:58,769 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:58,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:58,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2019-10-22 09:02:58,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:58,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840006515] [2019-10-22 09:02:58,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:58,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:58,781 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:58,801 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:58,801 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:58,801 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:58,801 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:58,801 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:02:58,801 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:58,802 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:58,802 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:58,802 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-10-22 09:02:58,802 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:58,802 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:58,803 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 09:02:58,807 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 09:02:58,809 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 09:02:58,812 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 09:02:58,878 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:58,878 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/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 09:02:58,886 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:58,886 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 09:02:58,890 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:58,890 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/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) [2019-10-22 09:02:58,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:58,902 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:58,906 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:58,906 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/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 09:02:58,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:58,913 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 [2019-10-22 09:02:58,918 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:58,918 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:58,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:58,935 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fd06e1-a8fa-4712-8517-c76f50afb1ba/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:58,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:58,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:03:01,072 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:03:01,074 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:03:01,075 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:03:01,075 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:03:01,075 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:03:01,075 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:03:01,075 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:03:01,075 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:03:01,075 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:03:01,075 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-10-22 09:03:01,076 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:03:01,076 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:03:01,077 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 09:03:01,084 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 09:03:01,094 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 09:03:01,104 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 09:03:01,173 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:03:01,174 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:03:01,174 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 09:03:01,175 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,175 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,175 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,175 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:03:01,176 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:03:01,177 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:03:01,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,180 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 09:03:01,180 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,181 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:03:01,181 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,181 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 09:03:01,181 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:03:01,182 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:03:01,182 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:03:01,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,185 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 09:03:01,186 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,186 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:03:01,186 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,186 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,186 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:03:01,187 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:03:01,187 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:03:01,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,192 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 09:03:01,193 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,193 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,193 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,193 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:03:01,194 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:03:01,194 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:03:01,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,197 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-10-22 09:03:01,198 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 09:03:01,198 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,199 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,199 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,199 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:03:01,200 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:03:01,201 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:03:01,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,203 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 09:03:01,204 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,204 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:03:01,204 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,204 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 09:03:01,205 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:03:01,205 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:03:01,205 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:03:01,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,210 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 09:03:01,210 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,210 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:03:01,211 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,211 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,211 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:03:01,212 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-10-22 09:03:01,212 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:03:01,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,218 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 09:03:01,218 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,218 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,219 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,219 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-10-22 09:03:01,220 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-10-22 09:03:01,220 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-10-22 09:03:01,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,224 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-10-22 09:03:01,225 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 09:03:01,225 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,226 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,226 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,226 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:03:01,228 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:03:01,228 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:03:01,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,232 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 09:03:01,232 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,233 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:03:01,233 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,233 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 09:03:01,233 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:03:01,234 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-10-22 09:03:01,234 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:03:01,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:03:01,239 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 09:03:01,239 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:03:01,239 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:03:01,240 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:03:01,240 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:03:01,240 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-10-22 09:03:01,241 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:03:01,241 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:03:01,247 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:03:01,256 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-10-22 09:03:01,256 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 09:03:01,256 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:03:01,257 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 09:03:01,257 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:03:01,257 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-10-22 09:03:01,258 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 09:03:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:01,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:01,307 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:03:01,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:01,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:03:01,566 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2019-10-22 09:03:01,657 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 09:03:01,658 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-10-22 09:03:01,658 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-10-22 09:03:01,719 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2019-10-22 09:03:01,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:03:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 09:03:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-10-22 09:03:01,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-10-22 09:03:01,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:03:01,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-10-22 09:03:01,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:03:01,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-10-22 09:03:01,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:03:01,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-10-22 09:03:01,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:03:01,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-10-22 09:03:01,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:03:01,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:03:01,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:03:01,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:03:01,723 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:01,723 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:01,724 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:01,724 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 09:03:01,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:03:01,729 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:03:01,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:03:01,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:03:01 BoogieIcfgContainer [2019-10-22 09:03:01,734 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:03:01,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:03:01,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:03:01,735 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:03:01,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:57" (3/4) ... [2019-10-22 09:03:01,738 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:03:01,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:03:01,740 INFO L168 Benchmark]: Toolchain (without parser) took 5204.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 847.8 MB in the end (delta: 97.0 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:01,742 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:01,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:01,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.73 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 09:03:01,744 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 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 09:03:01,744 INFO L168 Benchmark]: RCFGBuilder took 217.52 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:01,745 INFO L168 Benchmark]: BuchiAutomizer took 4669.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.8 MB in the end (delta: 252.0 MB). Peak memory consumption was 252.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:01,745 INFO L168 Benchmark]: Witness Printer took 4.26 ms. Allocated memory is still 1.2 GB. Free memory is still 847.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:01,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 237.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.73 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 21.78 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 217.52 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4669.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.8 MB in the end (delta: 252.0 MB). Peak memory consumption was 252.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.26 ms. Allocated memory is still 1.2 GB. Free memory is still 847.8 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...