./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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 6b2483ed4878f440f5477fb40e4fe96958613e0f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:30,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:30,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:30,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:30,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:30,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:30,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:30,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:30,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:30,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:30,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:30,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:30,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:30,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:30,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:30,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:30,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:30,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:30,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:30,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:30,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:30,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:30,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:30,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:30,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:30,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:30,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:30,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:30,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:30,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:30,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:30,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:30,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:30,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:30,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:30,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:30,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:30,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:30,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:30,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:30,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:30,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:30,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:30,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:30,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:30,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:30,278 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:30,278 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:30,278 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:30,278 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:30,279 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:30,279 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:30,279 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:30,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:30,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:30,280 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:30,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:30,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:30,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:30,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:30,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:30,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:30,285 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:30,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:30,285 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:30,285 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:30,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:30,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:30,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:30,286 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:30,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:30,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:30,287 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:30,288 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:30,288 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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 -> 6b2483ed4878f440f5477fb40e4fe96958613e0f [2019-10-22 08:56:30,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:30,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:30,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:30,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:30,340 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:30,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/../../sv-benchmarks/c/loop-lit/jm2006_variant.i [2019-10-22 08:56:30,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/data/3bf0297dd/29f3dd15138c4c6a9de866459878c0c8/FLAG7db23b48f [2019-10-22 08:56:30,807 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:30,811 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/sv-benchmarks/c/loop-lit/jm2006_variant.i [2019-10-22 08:56:30,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/data/3bf0297dd/29f3dd15138c4c6a9de866459878c0c8/FLAG7db23b48f [2019-10-22 08:56:31,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/data/3bf0297dd/29f3dd15138c4c6a9de866459878c0c8 [2019-10-22 08:56:31,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:31,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:31,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:31,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:31,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:31,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544014d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:31,227 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:31,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:31,374 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:31,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:31,455 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:31,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31 WrapperNode [2019-10-22 08:56:31,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:31,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:31,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:31,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:31,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:31,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:31,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:31,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... [2019-10-22 08:56:31,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:31,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:31,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:31,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:31,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:31,667 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:31,667 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:56:31,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31 BoogieIcfgContainer [2019-10-22 08:56:31,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:31,669 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:31,669 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:31,672 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:31,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:31" (1/3) ... [2019-10-22 08:56:31,674 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@456a86e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:31" (2/3) ... [2019-10-22 08:56:31,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@456a86e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:31, skipping insertion in model container [2019-10-22 08:56:31,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:31,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/3) ... [2019-10-22 08:56:31,677 INFO L371 chiAutomizerObserver]: Analyzing ICFG jm2006_variant.i [2019-10-22 08:56:31,716 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:31,716 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:31,716 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:31,717 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:31,717 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:31,717 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:31,717 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:31,717 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:31,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:56:31,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:56:31,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:31,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:31,753 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 08:56:31,753 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:56:31,753 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:31,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:56:31,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-10-22 08:56:31,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:31,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:31,755 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-10-22 08:56:31,755 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-10-22 08:56:31,761 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_#t~post4, main_~i~0, main_~j~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~j~0 := main_#t~nondet2;havoc main_#t~nondet2; 12#L14true assume !!(main_~i~0 >= 0 && main_~i~0 <= 1000000); 3#L15true assume !!(main_~j~0 >= 0);main_~x~0 := main_~i~0;main_~y~0 := main_~j~0;main_~z~0 := 0; 8#L19-2true [2019-10-22 08:56:31,762 INFO L793 eck$LassoCheckResult]: Loop: 8#L19-2true assume !!(0 != main_~x~0);main_#t~post3 := main_~x~0;main_~x~0 := main_#t~post3 - 1;havoc main_#t~post3;main_~y~0 := main_~y~0 - 2;main_#t~post4 := main_~z~0;main_~z~0 := 1 + main_#t~post4;havoc main_#t~post4; 8#L19-2true [2019-10-22 08:56:31,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:31,771 INFO L82 PathProgramCache]: Analyzing trace with hash 30949, now seen corresponding path program 1 times [2019-10-22 08:56:31,778 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:31,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857771181] [2019-10-22 08:56:31,779 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,779 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,861 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:31,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:31,862 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2019-10-22 08:56:31,863 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:31,863 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558865438] [2019-10-22 08:56:31,863 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,863 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,874 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:31,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:31,876 INFO L82 PathProgramCache]: Analyzing trace with hash 959439, now seen corresponding path program 1 times [2019-10-22 08:56:31,876 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:31,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160988960] [2019-10-22 08:56:31,877 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,877 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:31,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:31,901 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:31,963 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:31,963 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:31,964 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:31,964 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:31,964 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:31,964 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:31,964 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:31,964 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:31,965 INFO L131 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Loop [2019-10-22 08:56:31,965 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:31,969 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:31,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:31,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:31,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,083 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:32,084 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,093 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:32,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,121 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,121 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=-4}, {ULTIMATE.start_main_~z~0=4}, {ULTIMATE.start_main_~z~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:32,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,140 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:32,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,165 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,165 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=-6}, {ULTIMATE.start_main_~y~0=2}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:32,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,178 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,182 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,182 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,191 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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 [2019-10-22 08:56:32,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:32,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,220 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-7} Honda state: {ULTIMATE.start_main_~x~0=-7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}] Lambdas: [9, 4, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,227 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,227 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3=0} Honda state: {ULTIMATE.start_main_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-10-22 08:56:32,277 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:32,277 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:32,277 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:32,277 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:32,278 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:32,278 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,278 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:32,278 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:32,278 INFO L131 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Lasso [2019-10-22 08:56:32,278 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:32,278 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:32,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,421 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:32,421 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,434 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,434 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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) [2019-10-22 08:56:32,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,441 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,445 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,445 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,455 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3=0} Honda state: {ULTIMATE.start_main_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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) [2019-10-22 08:56:32,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,468 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 [2019-10-22 08:56:32,473 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,473 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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) [2019-10-22 08:56:32,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,481 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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) [2019-10-22 08:56:32,494 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:32,495 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=-4}, {ULTIMATE.start_main_~z~0=4}, {ULTIMATE.start_main_~z~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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) [2019-10-22 08:56:32,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,523 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,529 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,529 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/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 [2019-10-22 08:56:32,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,536 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:32,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,576 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:56:32,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=0, ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~j~0=4, ULTIMATE.start_main_~y~0=4} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=-8, ULTIMATE.start_main_~y~0=-8}, {ULTIMATE.start_main_~j~0=4, ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~j~0=4, ULTIMATE.start_main_~y~0=4}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:32,581 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdf8c6e-53d1-45bf-9749-e5f26c762a85/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:32,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:56:32,694 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:32,696 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:32,697 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:32,697 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:32,697 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:32,697 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:32,697 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:32,697 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:32,697 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:32,697 INFO L131 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Lasso [2019-10-22 08:56:32,697 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:32,698 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:32,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:32,827 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:32,832 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:32,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:32,837 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:32,837 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:32,838 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:32,838 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:32,838 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:32,840 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:32,840 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:32,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:32,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:32,845 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:32,846 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:32,846 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:32,846 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:32,846 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:32,847 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:32,848 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:32,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:32,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:32,850 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:32,850 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:32,850 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:32,850 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:32,852 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:32,852 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:32,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:32,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:32,883 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:32,884 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:32,884 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:32,885 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:32,885 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:32,885 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:32,885 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:32,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:32,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:32,894 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:32,894 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:32,894 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:32,894 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:32,897 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:32,897 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:32,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:32,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:32,914 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:32,914 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:32,914 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:32,914 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:32,914 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:32,915 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:32,915 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:32,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:32,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:56:32,917 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:32,917 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:32,917 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 08:56:32,917 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:32,923 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-10-22 08:56:32,923 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 08:56:33,042 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:33,084 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-10-22 08:56:33,085 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-10-22 08:56:33,087 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:33,090 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-10-22 08:56:33,090 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:33,090 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~x~0 >= 0] [2019-10-22 08:56:33,095 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-10-22 08:56:33,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:56:33,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:33,168 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 08:56:33,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:33,184 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2019-10-22 08:56:33,186 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-10-22 08:56:33,251 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 32 states and 40 transitions. Complement of second has 6 states. [2019-10-22 08:56:33,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 08:56:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:56:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2019-10-22 08:56:33,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 1 letters. [2019-10-22 08:56:33,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:33,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 4 letters. Loop has 1 letters. [2019-10-22 08:56:33,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:33,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2019-10-22 08:56:33,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:33,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2019-10-22 08:56:33,264 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:33,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-10-22 08:56:33,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:33,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:33,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:33,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:33,270 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:33,270 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:33,270 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:33,270 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:33,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:33,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:33,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:33,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:33 BoogieIcfgContainer [2019-10-22 08:56:33,276 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:33,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:33,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:33,277 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:33,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:31" (3/4) ... [2019-10-22 08:56:33,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:33,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:33,285 INFO L168 Benchmark]: Toolchain (without parser) took 2085.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 941.0 MB in the beginning and 855.5 MB in the end (delta: 85.5 MB). Peak memory consumption was 191.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:33,285 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:33,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:33,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:33,287 INFO L168 Benchmark]: Boogie Preprocessor took 14.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:33,287 INFO L168 Benchmark]: RCFGBuilder took 174.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:33,287 INFO L168 Benchmark]: BuchiAutomizer took 1607.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 862.4 MB in the end (delta: 218.4 MB). Peak memory consumption was 218.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:33,288 INFO L168 Benchmark]: Witness Printer took 5.96 ms. Allocated memory is still 1.1 GB. Free memory was 862.4 MB in the beginning and 855.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:33,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 174.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1607.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 862.4 MB in the end (delta: 218.4 MB). Peak memory consumption was 218.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.96 ms. Allocated memory is still 1.1 GB. Free memory was 862.4 MB in the beginning and 855.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 17 SDslu, 9 SDs, 0 SdLazy, 6 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax100 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf94 smp100 dnf144 smp100 tf102 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 173ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 5 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...