./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b03e1cb325e2c3a8ef30197a8e07012b3a728d97 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:14:15,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:14:15,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:14:15,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:14:15,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:14:15,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:14:15,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:14:15,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:14:15,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:14:15,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:14:15,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:14:15,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:14:15,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:14:15,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:14:15,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:14:15,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:14:15,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:14:15,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:14:15,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:14:15,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:14:15,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:14:15,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:14:15,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:14:15,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:14:15,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:14:15,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:14:15,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:14:15,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:14:15,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:14:15,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:14:15,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:14:15,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:14:15,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:14:15,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:14:15,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:14:15,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:14:15,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:14:15,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:14:15,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:14:15,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:14:15,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:14:15,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 08:14:15,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:14:15,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:14:15,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:14:15,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:14:15,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:14:15,716 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 08:14:15,717 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 08:14:15,717 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 08:14:15,717 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 08:14:15,717 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 08:14:15,717 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 08:14:15,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:14:15,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:14:15,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:14:15,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:14:15,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:14:15,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:14:15,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 08:14:15,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 08:14:15,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 08:14:15,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:14:15,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:14:15,720 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 08:14:15,720 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:14:15,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 08:14:15,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:14:15,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:14:15,721 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 08:14:15,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:14:15,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:14:15,722 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 08:14:15,723 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 08:14:15,723 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03e1cb325e2c3a8ef30197a8e07012b3a728d97 [2019-11-20 08:14:15,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:14:15,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:14:15,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:14:15,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:14:15,903 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:14:15,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/large_const.i [2019-11-20 08:14:15,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/data/472b6b7d2/0ddd3adec1074e5b953ce9219835f59c/FLAG1a9b9f931 [2019-11-20 08:14:16,334 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:14:16,335 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/sv-benchmarks/c/loop-invgen/large_const.i [2019-11-20 08:14:16,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/data/472b6b7d2/0ddd3adec1074e5b953ce9219835f59c/FLAG1a9b9f931 [2019-11-20 08:14:16,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/data/472b6b7d2/0ddd3adec1074e5b953ce9219835f59c [2019-11-20 08:14:16,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:14:16,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:14:16,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:14:16,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:14:16,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:14:16,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194ec159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16, skipping insertion in model container [2019-11-20 08:14:16,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,384 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:14:16,405 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:14:16,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:14:16,543 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:14:16,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:14:16,631 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:14:16,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16 WrapperNode [2019-11-20 08:14:16,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:14:16,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:14:16,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:14:16,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:14:16,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:14:16,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:14:16,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:14:16,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:14:16,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... [2019-11-20 08:14:16,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:14:16,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:14:16,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:14:16,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:14:16,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/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 [2019-11-20 08:14:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:14:16,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:14:17,079 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:14:17,079 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 08:14:17,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:17 BoogieIcfgContainer [2019-11-20 08:14:17,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:14:17,082 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 08:14:17,082 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 08:14:17,088 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 08:14:17,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:14:17,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 08:14:16" (1/3) ... [2019-11-20 08:14:17,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44151984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:14:17, skipping insertion in model container [2019-11-20 08:14:17,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:14:17,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:16" (2/3) ... [2019-11-20 08:14:17,091 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44151984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:14:17, skipping insertion in model container [2019-11-20 08:14:17,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:14:17,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:17" (3/3) ... [2019-11-20 08:14:17,093 INFO L371 chiAutomizerObserver]: Analyzing ICFG large_const.i [2019-11-20 08:14:17,127 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 08:14:17,127 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 08:14:17,127 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 08:14:17,127 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:14:17,127 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:14:17,128 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 08:14:17,128 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:14:17,128 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 08:14:17,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 08:14:17,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 08:14:17,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:14:17,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:14:17,168 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 08:14:17,168 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 08:14:17,168 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 08:14:17,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 08:14:17,170 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-20 08:14:17,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:14:17,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:14:17,171 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 08:14:17,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 08:14:17,177 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L17true assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 14#L26-2true [2019-11-20 08:14:17,177 INFO L796 eck$LassoCheckResult]: Loop: 14#L26-2true assume !!(main_~i~0 < main_~n~0);main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2;main_~v~0 := main_#t~nondet3;havoc main_#t~nondet3; 11#L23true assume !!(0 <= main_~v~0 && main_~n~0 < 2); 15#L24true assume 0 == main_~v~0;main_~k~0 := main_~k~0 + main_~c1~0; 14#L26-2true [2019-11-20 08:14:17,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:17,182 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-20 08:14:17,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:17,188 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498556327] [2019-11-20 08:14:17,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:17,271 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:14:17,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:17,272 INFO L82 PathProgramCache]: Analyzing trace with hash 44849, now seen corresponding path program 1 times [2019-11-20 08:14:17,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:17,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506879479] [2019-11-20 08:14:17,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:17,288 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:14:17,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:17,290 INFO L82 PathProgramCache]: Analyzing trace with hash 29746476, now seen corresponding path program 1 times [2019-11-20 08:14:17,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:17,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223776091] [2019-11-20 08:14:17,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:17,312 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:14:17,405 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:14:17,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:14:17,407 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:14:17,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:14:17,407 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 08:14:17,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:14:17,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:14:17,408 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2019-11-20 08:14:17,408 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:14:17,408 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:14:17,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,538 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:14:17,538 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/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 [2019-11-20 08:14:17,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 08:14:17,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 08:14:17,559 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 08:14:17,559 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Honda state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 08:14:17,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 08:14:17,576 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 08:14:17,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/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 [2019-11-20 08:14:17,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 08:14:17,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 08:14:17,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 08:14:17,588 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/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 [2019-11-20 08:14:17,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 08:14:17,597 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 08:14:17,606 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 08:14:17,715 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 08:14:17,717 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:14:17,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:14:17,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:14:17,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:14:17,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:14:17,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:14:17,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:14:17,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2019-11-20 08:14:17,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:14:17,719 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:14:17,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:17,815 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:14:17,820 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,828 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 [2019-11-20 08:14:17,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:14:17,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:14:17,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:14:17,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:14:17,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:14:17,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:14:17,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:14:17,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,869 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 [2019-11-20 08:14:17,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:14:17,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:14:17,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:14:17,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:14:17,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:14:17,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:14:17,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:14:17,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/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 [2019-11-20 08:14:17,889 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 [2019-11-20 08:14:17,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:14:17,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:14:17,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:14:17,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:14:17,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:14:17,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:14:17,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:14:17,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/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) [2019-11-20 08:14:17,906 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 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:14:17,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:14:17,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:14:17,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:14:17,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:14:17,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:14:17,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:14:17,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:14:17,934 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 08:14:17,934 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:17,938 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:14:17,938 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 08:14:17,938 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:14:17,939 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-11-20 08:14:17,942 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 08:14:17,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:17,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:14:17,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:14:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:17,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 08:14:17,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:14:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:14:18,052 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 [2019-11-20 08:14:18,053 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2019-11-20 08:14:18,117 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 49 states and 65 transitions. Complement of second has 7 states. [2019-11-20 08:14:18,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 08:14:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 08:14:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2019-11-20 08:14:18,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-20 08:14:18,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:14:18,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-20 08:14:18,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:14:18,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-20 08:14:18,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:14:18,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 65 transitions. [2019-11-20 08:14:18,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 08:14:18,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 15 states and 21 transitions. [2019-11-20 08:14:18,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 08:14:18,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 08:14:18,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2019-11-20 08:14:18,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:14:18,133 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 08:14:18,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2019-11-20 08:14:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2019-11-20 08:14:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 08:14:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2019-11-20 08:14:18,157 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-20 08:14:18,157 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-20 08:14:18,157 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 08:14:18,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2019-11-20 08:14:18,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 08:14:18,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:14:18,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:14:18,159 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 08:14:18,159 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 08:14:18,159 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 112#L17 assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 113#L26-2 assume !(main_~i~0 < main_~n~0); 116#L20-2 main_~j~0 := 0; 117#L32-2 [2019-11-20 08:14:18,159 INFO L796 eck$LassoCheckResult]: Loop: 117#L32-2 assume !!(main_~j~0 < main_~n~0);__VERIFIER_assert_#in~cond := (if main_~k~0 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 119#L4 assume !(0 == __VERIFIER_assert_~cond); 118#L4-2 main_#t~post4 := main_~j~0;main_~j~0 := 1 + main_#t~post4;havoc main_#t~post4;main_#t~post5 := main_~k~0;main_~k~0 := main_#t~post5 - 1;havoc main_#t~post5; 117#L32-2 [2019-11-20 08:14:18,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:18,160 INFO L82 PathProgramCache]: Analyzing trace with hash 959516, now seen corresponding path program 1 times [2019-11-20 08:14:18,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:18,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544482979] [2019-11-20 08:14:18,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:18,172 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:14:18,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:18,173 INFO L82 PathProgramCache]: Analyzing trace with hash 73710, now seen corresponding path program 1 times [2019-11-20 08:14:18,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:18,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447990056] [2019-11-20 08:14:18,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:14:18,189 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:14:18,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:18,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1479785997, now seen corresponding path program 1 times [2019-11-20 08:14:18,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:14:18,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084214173] [2019-11-20 08:14:18,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:14:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:14:18,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084214173] [2019-11-20 08:14:18,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:14:18,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 08:14:18,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498460723] [2019-11-20 08:14:18,278 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:14:18,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:14:18,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:14:18,278 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:14:18,278 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 08:14:18,278 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:18,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:14:18,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:14:18,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2019-11-20 08:14:18,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:14:18,279 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:14:18,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,400 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:14:18,400 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:14:18,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 08:14:18,406 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:18,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 08:14:18,411 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:14:18,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 08:14:18,426 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:14:18,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 08:14:18,446 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:18,460 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 08:14:18,462 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:14:18,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:14:18,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:14:18,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:14:18,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:14:18,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:18,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:14:18,463 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:14:18,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2019-11-20 08:14:18,463 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:14:18,463 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:14:18,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:14:18,584 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:14:18,584 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:18,593 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 [2019-11-20 08:14:18,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:14:18,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:14:18,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:14:18,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:14:18,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:14:18,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:14:18,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:14:18,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 08:14:18,613 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 [2019-11-20 08:14:18,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:14:18,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:14:18,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:14:18,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:14:18,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:14:18,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:14:18,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:18,621 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:14:18,624 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 08:14:18,624 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36f810dd-d69b-42c5-ad5d-6631ba3773d6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:14:18,637 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:14:18,637 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 08:14:18,637 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:14:18,637 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-11-20 08:14:18,640 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 08:14:18,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:14:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:18,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:14:18,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:14:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:14:18,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 08:14:18,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:14:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:14:18,690 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 08:14:18,690 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 08:14:18,703 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 16 states and 23 transitions. Complement of second has 4 states. [2019-11-20 08:14:18,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 08:14:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 08:14:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2019-11-20 08:14:18,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-20 08:14:18,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:14:18,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-20 08:14:18,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:14:18,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-20 08:14:18,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:14:18,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2019-11-20 08:14:18,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:14:18,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-20 08:14:18,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 08:14:18,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 08:14:18,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 08:14:18,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:14:18,708 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:14:18,708 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:14:18,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:14:18,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 08:14:18,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:14:18,713 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 08:14:18,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:14:18,720 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 08:14:18,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 08:14:18,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 08:14:18,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:14:18,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 08:14:18,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 08:14:18,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 08:14:18,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 08:14:18,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:14:18,722 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:14:18,722 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:14:18,722 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:14:18,722 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 08:14:18,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:14:18,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:14:18,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 08:14:18,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 08:14:18 BoogieIcfgContainer [2019-11-20 08:14:18,735 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 08:14:18,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:14:18,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:14:18,736 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:14:18,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:17" (3/4) ... [2019-11-20 08:14:18,740 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 08:14:18,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:14:18,743 INFO L168 Benchmark]: Toolchain (without parser) took 2375.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.7 MB in the beginning and 927.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 166.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:18,744 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:14:18,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:18,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.52 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:18,751 INFO L168 Benchmark]: Boogie Preprocessor took 16.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:18,751 INFO L168 Benchmark]: RCFGBuilder took 403.23 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:18,752 INFO L168 Benchmark]: BuchiAutomizer took 1652.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 193.7 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:14:18,752 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 1.2 GB. Free memory is still 927.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:14:18,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.52 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 403.23 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1652.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 927.8 MB in the end (delta: 193.7 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.55 ms. Allocated memory is still 1.2 GB. Free memory is still 927.8 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 33 SDslu, 25 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite118 ukn100 eq159 hnf92 smp77 dnf98 smp100 tf109 neg98 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...