./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:16:31,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:16:31,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:16:31,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:16:31,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:16:31,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:16:31,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:16:31,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:16:31,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:16:31,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:16:31,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:16:31,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:16:31,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:16:31,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:16:31,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:16:31,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:16:31,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:16:31,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:16:31,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:16:31,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:16:31,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:16:31,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:16:31,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:16:31,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:16:31,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:16:31,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:16:31,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:16:31,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:16:31,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:16:31,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:16:31,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:16:31,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:16:31,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:16:31,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:16:31,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:16:31,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:16:31,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:16:31,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:16:31,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:16:31,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:16:31,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:16:31,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:16:31,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:16:31,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:16:31,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:16:31,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:16:31,541 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:16:31,541 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:16:31,541 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:16:31,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:16:31,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:16:31,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:16:31,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:16:31,543 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:16:31,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:16:31,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:16:31,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:16:31,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:16:31,543 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:16:31,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:16:31,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:16:31,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:16:31,544 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:16:31,544 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:16:31,544 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2019-12-07 18:16:31,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:16:31,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:16:31,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:16:31,663 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:16:31,663 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:16:31,664 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-12-07 18:16:31,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/data/e67478dc8/487eb2b6a2734518beecc83c0f0fc4c2/FLAG021793255 [2019-12-07 18:16:32,115 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:16:32,115 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-12-07 18:16:32,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/data/e67478dc8/487eb2b6a2734518beecc83c0f0fc4c2/FLAG021793255 [2019-12-07 18:16:32,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/data/e67478dc8/487eb2b6a2734518beecc83c0f0fc4c2 [2019-12-07 18:16:32,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:16:32,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:16:32,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:16:32,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:16:32,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:16:32,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32, skipping insertion in model container [2019-12-07 18:16:32,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:16:32,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:16:32,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:16:32,251 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:16:32,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:16:32,313 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:16:32,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32 WrapperNode [2019-12-07 18:16:32,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:16:32,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:16:32,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:16:32,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:16:32,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:16:32,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:16:32,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:16:32,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:16:32,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... [2019-12-07 18:16:32,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:16:32,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:16:32,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:16:32,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:16:32,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:16:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:16:32,488 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:16:32,488 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 18:16:32,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:16:32 BoogieIcfgContainer [2019-12-07 18:16:32,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:16:32,490 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:16:32,490 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:16:32,492 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:16:32,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:16:32,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:16:32" (1/3) ... [2019-12-07 18:16:32,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30c1dfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:16:32, skipping insertion in model container [2019-12-07 18:16:32,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:16:32,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:16:32" (2/3) ... [2019-12-07 18:16:32,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30c1dfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:16:32, skipping insertion in model container [2019-12-07 18:16:32,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:16:32,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:16:32" (3/3) ... [2019-12-07 18:16:32,495 INFO L371 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2019-12-07 18:16:32,523 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:16:32,523 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:16:32,523 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:16:32,523 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:16:32,523 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:16:32,523 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:16:32,523 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:16:32,523 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:16:32,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 18:16:32,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:16:32,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:16:32,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:16:32,549 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:16:32,549 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:16:32,549 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:16:32,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 18:16:32,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:16:32,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:16:32,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:16:32,551 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:16:32,551 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:16:32,556 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2019-12-07 18:16:32,556 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2019-12-07 18:16:32,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:32,559 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-12-07 18:16:32,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:16:32,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595510428] [2019-12-07 18:16:32,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:16:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:32,635 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:16:32,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:32,636 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2019-12-07 18:16:32,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:16:32,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036092003] [2019-12-07 18:16:32,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:16:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:32,646 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:16:32,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:32,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2019-12-07 18:16:32,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:16:32,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032655316] [2019-12-07 18:16:32,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:16:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:32,662 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:16:32,701 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:16:32,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:16:32,701 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:16:32,701 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:16:32,701 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:16:32,701 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:32,702 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:16:32,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:16:32,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-12-07 18:16:32,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:16:32,702 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:16:32,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:32,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:32,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:32,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:32,808 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:16:32,809 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:32,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:16:32,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:16:32,820 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:16:32,820 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:32,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:16:32,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:16:32,827 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:16:32,827 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:32,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:16:32,831 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:32,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:16:32,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:16:33,186 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:16:33,187 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:16:33,187 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:16:33,187 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:16:33,188 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:16:33,188 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:16:33,188 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,188 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:16:33,188 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:16:33,188 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-12-07 18:16:33,188 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:16:33,188 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:16:33,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,256 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:16:33,260 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,264 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 [2019-12-07 18:16:33,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:33,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:16:33,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:16:33,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,278 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 [2019-12-07 18:16:33,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:33,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:16:33,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:16:33,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,290 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 [2019-12-07 18:16:33,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:33,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:33,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:16:33,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:33,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,302 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 [2019-12-07 18:16:33,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:33,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,303 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:16:33,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:33,304 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:16:33,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:33,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:16:33,307 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,309 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 [2019-12-07 18:16:33,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,311 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:33,313 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:16:33,314 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:16:33,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,321 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 [2019-12-07 18:16:33,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,322 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:33,325 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:16:33,325 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:16:33,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,332 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 [2019-12-07 18:16:33,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:33,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,334 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:33,336 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:16:33,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:33,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,342 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 [2019-12-07 18:16:33,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:33,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,344 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:16:33,344 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:33,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:16:33,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:33,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:16:33,348 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,355 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 [2019-12-07 18:16:33,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,357 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:16:33,360 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:16:33,360 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:16:33,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,369 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 [2019-12-07 18:16:33,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,370 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:16:33,373 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:16:33,373 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:16:33,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,382 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 [2019-12-07 18:16:33,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:33,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:33,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:33,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:33,384 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:16:33,386 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:16:33,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:33,392 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:16:33,399 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 18:16:33,399 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:16:33,407 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:16:33,407 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:16:33,408 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-12-07 18:16:33,411 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:16:33,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:16:33,441 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:16:33,442 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:16:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:16:33,452 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:16:33,453 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:16:33,589 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-12-07 18:16:33,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:33,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:16:33,664 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 18:16:33,665 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-12-07 18:16:33,749 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2019-12-07 18:16:33,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 18:16:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:16:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-12-07 18:16:33,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-12-07 18:16:33,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:16:33,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 18:16:33,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:16:33,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 18:16:33,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:16:33,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2019-12-07 18:16:33,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:16:33,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2019-12-07 18:16:33,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 18:16:33,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 18:16:33,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-12-07 18:16:33,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:16:33,765 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 18:16:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-12-07 18:16:33,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-12-07 18:16:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 18:16:33,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-12-07 18:16:33,785 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 18:16:33,785 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 18:16:33,785 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:16:33,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-12-07 18:16:33,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:16:33,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:16:33,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:16:33,786 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:16:33,786 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:16:33,787 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2019-12-07 18:16:33,787 INFO L796 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2019-12-07 18:16:33,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:33,787 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2019-12-07 18:16:33,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:16:33,787 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501390309] [2019-12-07 18:16:33,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:16:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:33,797 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:16:33,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:33,797 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2019-12-07 18:16:33,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:16:33,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669477614] [2019-12-07 18:16:33,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:16:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:33,803 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:16:33,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:33,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2019-12-07 18:16:33,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:16:33,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945363775] [2019-12-07 18:16:33,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:16:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:16:33,816 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:16:33,834 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:16:33,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:16:33,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:16:33,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:16:33,835 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:16:33,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:16:33,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:16:33,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-12-07 18:16:33,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:16:33,835 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:16:33,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:33,899 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:16:33,899 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:16:33,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:16:33,906 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:16:33,906 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:16:33,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:16:33,913 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:16:33,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/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 [2019-12-07 18:16:33,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:16:33,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:16:33,922 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:16:33,923 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:16:33,927 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:33,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:16:33,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:16:36,094 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:16:36,096 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:16:36,097 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:16:36,097 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:16:36,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:16:36,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:16:36,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:16:36,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:16:36,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-12-07 18:16:36,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:16:36,097 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:16:36,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:36,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:36,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:36,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:16:36,166 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:16:36,166 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,169 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 [2019-12-07 18:16:36,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:36,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:16:36,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:16:36,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:16:36,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:36,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,187 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:16:36,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:36,187 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:16:36,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:36,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:16:36,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:36,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:36,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:16:36,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:36,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,201 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 [2019-12-07 18:16:36,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:16:36,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:16:36,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:16:36,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:16:36,207 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:16:36,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,211 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:36,213 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:16:36,213 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:16:36,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,220 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 [2019-12-07 18:16:36,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:36,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,222 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:16:36,222 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:36,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:16:36,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:36,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,229 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 [2019-12-07 18:16:36,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:36,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,231 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:36,232 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:16:36,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:36,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:16:36,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,240 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:16:36,241 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:16:36,241 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:16:36,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:16:36,246 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,249 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 [2019-12-07 18:16:36,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,250 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:16:36,252 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:16:36,252 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:16:36,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,261 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 [2019-12-07 18:16:36,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:36,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,263 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:16:36,263 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:16:36,264 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-12-07 18:16:36,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:36,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,269 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 [2019-12-07 18:16:36,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:16:36,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:16:36,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:16:36,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:16:36,271 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:16:36,272 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:16:36,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:16:36,277 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:16:36,283 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 18:16:36,283 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c96c125-df58-43f7-8cb0-c2d45c5ec697/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:16:36,285 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:16:36,285 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:16:36,286 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:16:36,286 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-12-07 18:16:36,288 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:16:36,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:16:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:16:36,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:16:36,307 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:16:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:16:36,311 WARN L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:16:36,311 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:16:36,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,332 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:16:36,499 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2019-12-07 18:16:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:16:36,549 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 18:16:36,549 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-12-07 18:16:36,596 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2019-12-07 18:16:36,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 18:16:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:16:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-12-07 18:16:36,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-12-07 18:16:36,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:16:36,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-12-07 18:16:36,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:16:36,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-12-07 18:16:36,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:16:36,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-12-07 18:16:36,598 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:16:36,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 18:16:36,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:16:36,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:16:36,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:16:36,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:16:36,599 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:16:36,599 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:16:36,599 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:16:36,599 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:16:36,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:16:36,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:16:36,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:16:36,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:16:36 BoogieIcfgContainer [2019-12-07 18:16:36,603 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:16:36,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:16:36,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:16:36,604 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:16:36,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:16:32" (3/4) ... [2019-12-07 18:16:36,606 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:16:36,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:16:36,607 INFO L168 Benchmark]: Toolchain (without parser) took 4476.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.6 MB in the beginning and 1.0 GB in the end (delta: -72.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:16:36,608 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:16:36,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:16:36,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.50 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. [2019-12-07 18:16:36,609 INFO L168 Benchmark]: Boogie Preprocessor took 12.32 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. [2019-12-07 18:16:36,609 INFO L168 Benchmark]: RCFGBuilder took 139.75 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:16:36,609 INFO L168 Benchmark]: BuchiAutomizer took 4113.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:16:36,610 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:16:36,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.50 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 12.32 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 139.75 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4113.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...