./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 0.1.23-aa41828 [2018-11-23 07:42:39,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:42:39,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:42:39,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:42:39,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:42:39,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:42:39,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:42:39,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:42:39,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:42:39,746 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:42:39,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:42:39,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:42:39,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:42:39,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:42:39,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:42:39,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:42:39,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:42:39,751 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:42:39,753 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:42:39,754 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:42:39,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:42:39,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:42:39,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:42:39,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:42:39,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:42:39,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:42:39,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:42:39,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:42:39,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:42:39,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:42:39,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:42:39,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:42:39,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:42:39,762 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:42:39,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:42:39,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:42:39,763 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 07:42:39,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:42:39,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:42:39,775 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:42:39,775 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:42:39,775 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:42:39,775 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 07:42:39,775 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 07:42:39,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:42:39,776 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:42:39,777 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:42:39,777 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 07:42:39,777 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 07:42:39,777 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 07:42:39,777 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:42:39,777 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:42:39,777 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 07:42:39,778 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:42:39,778 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 07:42:39,778 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:42:39,778 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:42:39,778 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 07:42:39,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:42:39,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:42:39,778 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 07:42:39,779 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 07:42:39,779 INFO L133 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_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:39,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:42:39,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:42:39,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:42:39,810 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:42:39,811 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:42:39,811 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-11-23 07:42:39,848 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/data/442b09f5a/5ee4c9b34fa346b5a46e3ed52efc9df9/FLAG8931a7337 [2018-11-23 07:42:40,151 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:42:40,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/sv-benchmarks/c/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-11-23 07:42:40,157 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/data/442b09f5a/5ee4c9b34fa346b5a46e3ed52efc9df9/FLAG8931a7337 [2018-11-23 07:42:40,167 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/uautomizer/data/442b09f5a/5ee4c9b34fa346b5a46e3ed52efc9df9 [2018-11-23 07:42:40,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:42:40,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:42:40,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:42:40,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:42:40,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:42:40,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c93cfda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40, skipping insertion in model container [2018-11-23 07:42:40,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:42:40,196 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:42:40,305 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:42:40,308 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:42:40,319 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:42:40,327 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:42:40,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40 WrapperNode [2018-11-23 07:42:40,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:42:40,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:42:40,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:42:40,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:42:40,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:42:40,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:42:40,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:42:40,356 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:42:40,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... [2018-11-23 07:42:40,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:42:40,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:42:40,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:42:40,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:42:40,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:42:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:42:40,561 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:42:40,561 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 07:42:40,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:42:40 BoogieIcfgContainer [2018-11-23 07:42:40,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:42:40,562 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 07:42:40,562 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 07:42:40,564 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 07:42:40,564 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:42:40,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 07:42:40" (1/3) ... [2018-11-23 07:42:40,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c03bccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:42:40, skipping insertion in model container [2018-11-23 07:42:40,565 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:42:40,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:42:40" (2/3) ... [2018-11-23 07:42:40,566 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c03bccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:42:40, skipping insertion in model container [2018-11-23 07:42:40,566 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:42:40,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:42:40" (3/3) ... [2018-11-23 07:42:40,567 INFO L375 chiAutomizerObserver]: Analyzing ICFG large_const_true-unreach-call_true-termination.i [2018-11-23 07:42:40,612 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:42:40,612 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 07:42:40,612 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 07:42:40,612 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 07:42:40,612 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:42:40,613 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:42:40,613 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 07:42:40,613 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:42:40,613 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 07:42:40,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-23 07:42:40,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2018-11-23 07:42:40,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:42:40,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:42:40,647 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 07:42:40,648 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:42:40,648 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 07:42:40,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-23 07:42:40,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2018-11-23 07:42:40,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:42:40,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:42:40,649 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 07:42:40,649 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:42:40,654 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L17true assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 14#L26-2true [2018-11-23 07:42:40,654 INFO L796 eck$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 [2018-11-23 07:42:40,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:40,657 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2018-11-23 07:42:40,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:42:40,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:42:40,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:40,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:42:40,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:40,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:40,728 INFO L82 PathProgramCache]: Analyzing trace with hash 44849, now seen corresponding path program 1 times [2018-11-23 07:42:40,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:42:40,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:42:40,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:40,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:42:40,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:40,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:40,738 INFO L82 PathProgramCache]: Analyzing trace with hash 29746476, now seen corresponding path program 1 times [2018-11-23 07:42:40,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:42:40,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:42:40,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:40,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:42:40,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:40,813 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:42:40,813 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:42:40,813 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:42:40,814 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:42:40,814 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 07:42:40,814 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:42:40,814 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:42:40,814 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:42:40,814 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-23 07:42:40,814 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:42:40,814 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:42:40,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:40,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:40,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:40,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:40,944 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:42:40,944 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:40,948 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:42:40,948 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:42:40,956 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:42:40,957 INFO L448 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/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:40,971 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:42:40,971 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:42:40,974 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:42:40,974 INFO L448 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/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:40,988 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:42:40,989 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:42:40,991 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:42:40,991 INFO L448 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/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:41,006 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:42:41,006 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:41,022 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:42:41,022 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:42:41,089 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 07:42:41,090 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:42:41,090 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:42:41,090 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:42:41,090 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:42:41,090 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:42:41,091 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:42:41,091 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:42:41,091 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:42:41,091 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-23 07:42:41,091 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:42:41,091 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:42:41,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,165 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:42:41,170 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:42:41,171 INFO L122 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 [2018-11-23 07:42:41,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:42:41,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:42:41,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:42:41,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:42:41,173 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:42:41,175 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:42:41,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:42:41,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:42:41,179 INFO L122 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 [2018-11-23 07:42:41,179 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:42:41,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:42:41,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:42:41,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:42:41,180 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:42:41,180 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:42:41,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:42:41,182 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:42:41,183 INFO L122 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 [2018-11-23 07:42:41,183 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:42:41,183 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:42:41,183 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:42:41,184 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:42:41,184 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:42:41,184 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:42:41,184 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:42:41,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:42:41,186 INFO L122 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 [2018-11-23 07:42:41,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:42:41,186 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:42:41,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:42:41,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:42:41,187 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:42:41,187 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:42:41,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:42:41,192 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:42:41,196 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-23 07:42:41,196 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 07:42:41,198 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:42:41,198 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 07:42:41,198 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:42:41,199 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2018-11-23 07:42:41,200 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 07:42:41,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:41,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:42:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:41,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:42:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:42:41,321 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 [2018-11-23 07:42:41,321 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2018-11-23 07:42:41,375 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. [2018-11-23 07:42:41,375 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 [2018-11-23 07:42:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 07:42:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2018-11-23 07:42:41,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-23 07:42:41,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:42:41,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-23 07:42:41,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:42:41,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-23 07:42:41,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:42:41,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 65 transitions. [2018-11-23 07:42:41,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:42:41,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 15 states and 21 transitions. [2018-11-23 07:42:41,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-11-23 07:42:41,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-11-23 07:42:41,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2018-11-23 07:42:41,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 07:42:41,386 INFO L705 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2018-11-23 07:42:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2018-11-23 07:42:41,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2018-11-23 07:42:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 07:42:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2018-11-23 07:42:41,402 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-11-23 07:42:41,402 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-11-23 07:42:41,402 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 07:42:41,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2018-11-23 07:42:41,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 07:42:41,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:42:41,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:42:41,403 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 07:42:41,403 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 07:42:41,404 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 112#L17 assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 113#L26-2 assume !(main_~i~0 < main_~n~0); 116#L20-2 main_~j~0 := 0; 117#L32-2 [2018-11-23 07:42:41,404 INFO L796 eck$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 [2018-11-23 07:42:41,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:41,404 INFO L82 PathProgramCache]: Analyzing trace with hash 959516, now seen corresponding path program 1 times [2018-11-23 07:42:41,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:42:41,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:42:41,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:41,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:42:41,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:41,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:41,412 INFO L82 PathProgramCache]: Analyzing trace with hash 73710, now seen corresponding path program 1 times [2018-11-23 07:42:41,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:42:41,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:42:41,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:41,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:42:41,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:42:41,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:41,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1479785997, now seen corresponding path program 1 times [2018-11-23 07:42:41,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:42:41,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:42:41,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:41,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:42:41,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:42:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:42:41,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:42:41,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:42:41,497 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:42:41,497 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:42:41,498 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:42:41,498 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:42:41,498 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 07:42:41,498 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:42:41,498 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:42:41,498 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:42:41,498 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration2_Loop [2018-11-23 07:42:41,498 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:42:41,498 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:42:41,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,578 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:42:41,578 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:41,585 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:42:41,585 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:42:41,588 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:42:41,588 INFO L448 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/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:41,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:42:41,612 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_353018b0-7037-4aa2-a46e-22cd5902efb3/bin-2019/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 [2018-11-23 07:42:41,630 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:42:41,630 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:42:41,649 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 07:42:41,650 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:42:41,650 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:42:41,650 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:42:41,650 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:42:41,650 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:42:41,650 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:42:41,651 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:42:41,651 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:42:41,651 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const_true-unreach-call_true-termination.i_Iteration2_Loop [2018-11-23 07:42:41,651 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:42:41,651 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:42:41,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:42:41,759 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:42:41,759 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:42:41,759 INFO L122 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 [2018-11-23 07:42:41,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:42:41,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:42:41,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:42:41,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:42:41,761 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:42:41,761 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:42:41,761 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:42:41,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:42:41,762 INFO L122 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 [2018-11-23 07:42:41,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:42:41,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:42:41,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:42:41,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:42:41,763 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:42:41,764 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:42:41,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:42:41,766 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:42:41,769 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 07:42:41,770 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 07:42:41,770 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:42:41,770 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 07:42:41,770 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:42:41,770 INFO L520 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 [] [2018-11-23 07:42:41,771 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 07:42:41,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:41,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:42:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:41,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:42:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:42:41,814 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 [2018-11-23 07:42:41,814 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-11-23 07:42:41,821 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. [2018-11-23 07:42:41,822 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 [2018-11-23 07:42:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:42:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2018-11-23 07:42:41,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-23 07:42:41,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:42:41,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-23 07:42:41,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:42:41,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-23 07:42:41,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:42:41,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2018-11-23 07:42:41,824 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:42:41,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2018-11-23 07:42:41,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 07:42:41,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 07:42:41,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 07:42:41,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:42:41,825 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:42:41,825 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:42:41,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:42:41,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:42:41,827 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2018-11-23 07:42:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:42:41,829 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 07:42:41,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:42:41,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-23 07:42:41,830 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:42:41,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:42:41,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 07:42:41,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 07:42:41,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 07:42:41,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:42:41,830 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:42:41,830 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:42:41,830 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:42:41,830 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 07:42:41,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:42:41,831 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:42:41,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 07:42:41,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 07:42:41 BoogieIcfgContainer [2018-11-23 07:42:41,835 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 07:42:41,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:42:41,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:42:41,836 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:42:41,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:42:40" (3/4) ... [2018-11-23 07:42:41,838 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:42:41,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:42:41,839 INFO L168 Benchmark]: Toolchain (without parser) took 1669.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 961.9 MB in the beginning and 978.7 MB in the end (delta: -16.8 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:42:41,840 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:42:41,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:42:41,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:42:41,841 INFO L168 Benchmark]: Boogie Preprocessor took 13.60 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:42:41,841 INFO L168 Benchmark]: RCFGBuilder took 191.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:42:41,842 INFO L168 Benchmark]: BuchiAutomizer took 1273.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.7 MB in the end (delta: 166.3 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:42:41,842 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 1.2 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:42:41,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.60 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 191.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1273.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.7 MB in the end (delta: 166.3 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 1.2 GB. Free memory is still 978.7 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 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: 8ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...