./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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 90c8922c67b3eb8c55716b63a408098d1b23a21e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:14:08,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:14:08,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:14:08,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:14:08,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:14:08,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:14:08,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:14:08,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:14:08,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:14:08,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:14:08,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:14:08,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:14:08,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:14:08,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:14:08,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:14:08,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:14:08,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:14:08,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:14:08,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:14:08,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:14:08,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:14:08,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:14:08,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:14:08,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:14:08,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:14:08,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:14:08,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:14:08,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:14:08,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:14:08,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:14:08,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:14:08,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:14:08,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:14:08,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:14:08,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:14:08,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:14:08,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:14:08,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:14:08,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:14:08,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:14:08,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:14:08,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:14:08,436 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:14:08,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:14:08,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:14:08,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:14:08,437 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:14:08,437 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:14:08,437 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:14:08,437 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:14:08,437 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:14:08,438 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:14:08,438 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:14:08,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:14:08,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:14:08,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:14:08,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:14:08,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:14:08,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:14:08,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:14:08,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:14:08,439 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:14:08,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:14:08,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:14:08,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:14:08,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:14:08,440 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:14:08,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:14:08,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:14:08,441 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:14:08,441 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:14:08,442 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_f72b0904-7143-45f6-a111-3413aacc34e1/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 -> 90c8922c67b3eb8c55716b63a408098d1b23a21e [2019-11-19 22:14:08,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:14:08,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:14:08,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:14:08,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:14:08,595 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:14:08,595 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c [2019-11-19 22:14:08,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/data/9d3777f6b/9f7b6cbacc1f4f9fb72c35896dc93c9a/FLAG0574cb210 [2019-11-19 22:14:09,027 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:14:09,027 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c [2019-11-19 22:14:09,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/data/9d3777f6b/9f7b6cbacc1f4f9fb72c35896dc93c9a/FLAG0574cb210 [2019-11-19 22:14:09,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/data/9d3777f6b/9f7b6cbacc1f4f9fb72c35896dc93c9a [2019-11-19 22:14:09,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:14:09,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:14:09,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:14:09,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:14:09,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:14:09,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d510fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09, skipping insertion in model container [2019-11-19 22:14:09,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,055 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:14:09,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:14:09,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:14:09,251 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:14:09,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:14:09,378 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:14:09,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09 WrapperNode [2019-11-19 22:14:09,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:14:09,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:14:09,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:14:09,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:14:09,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:14:09,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:14:09,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:14:09,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:14:09,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... [2019-11-19 22:14:09,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:14:09,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:14:09,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:14:09,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:14:09,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:14:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:14:09,625 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:14:09,626 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 22:14:09,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:14:09 BoogieIcfgContainer [2019-11-19 22:14:09,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:14:09,627 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:14:09,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:14:09,631 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:14:09,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:14:09,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:14:09" (1/3) ... [2019-11-19 22:14:09,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@624139ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:14:09, skipping insertion in model container [2019-11-19 22:14:09,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:14:09,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:09" (2/3) ... [2019-11-19 22:14:09,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@624139ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:14:09, skipping insertion in model container [2019-11-19 22:14:09,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:14:09,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:14:09" (3/3) ... [2019-11-19 22:14:09,636 INFO L371 chiAutomizerObserver]: Analyzing ICFG c.01-no-inv.c [2019-11-19 22:14:09,686 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:14:09,686 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:14:09,686 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:14:09,687 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:14:09,687 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:14:09,687 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:14:09,687 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:14:09,688 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:14:09,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-19 22:14:09,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:14:09,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:14:09,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:14:09,728 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 22:14:09,729 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:14:09,729 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:14:09,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-19 22:14:09,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:14:09,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:14:09,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:14:09,731 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 22:14:09,731 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:14:09,739 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 8#L10-2true [2019-11-19 22:14:09,739 INFO L796 eck$LassoCheckResult]: Loop: 8#L10-2true assume !!(main_~x~0 >= 0);main_~y~0 := 1; 3#L12-2true assume !(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824); 10#L12-3true main_~x~0 := main_~x~0 - 1; 8#L10-2true [2019-11-19 22:14:09,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:09,745 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-19 22:14:09,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:09,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180867817] [2019-11-19 22:14:09,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:09,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:09,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:09,853 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-11-19 22:14:09,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:09,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214996538] [2019-11-19 22:14:09,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:09,874 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:09,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:09,876 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-11-19 22:14:09,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:09,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702755227] [2019-11-19 22:14:09,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:09,889 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:09,985 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:14:09,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:14:09,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:14:09,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:14:09,986 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:14:09,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:09,994 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:14:09,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:14:09,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration1_Loop [2019-11-19 22:14:09,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:14:09,994 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:14:10,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,133 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:14:10,133 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:10,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:10,142 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,153 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:10,153 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_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:10,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:10,167 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,171 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:10,171 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_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:10,194 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:14:10,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:14:10,226 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:14:10,228 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:14:10,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:14:10,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:14:10,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:14:10,229 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:14:10,229 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:14:10,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:14:10,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration1_Loop [2019-11-19 22:14:10,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:14:10,229 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:14:10,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,334 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:14:10,338 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:10,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:10,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:10,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:14:10,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:10,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:10,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:14:10,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:14:10,361 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:14:10,365 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:14:10,366 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:10,383 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:14:10,383 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:14:10,384 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:14:10,384 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-11-19 22:14:10,389 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:10,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:14:10,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:10,444 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:14:10,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:10,480 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:14:10,482 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-19 22:14:10,531 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-11-19 22:14:10,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:14:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:14:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-19 22:14:10,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-11-19 22:14:10,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:10,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-19 22:14:10,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:10,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-11-19 22:14:10,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:10,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-11-19 22:14:10,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:10,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-19 22:14:10,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-19 22:14:10,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-19 22:14:10,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-19 22:14:10,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:14:10,546 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-19 22:14:10,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-19 22:14:10,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-11-19 22:14:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:14:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-11-19 22:14:10,569 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-19 22:14:10,569 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-19 22:14:10,569 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:14:10,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-11-19 22:14:10,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:10,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:14:10,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:14:10,570 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:14:10,570 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:14:10,570 INFO L794 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 74#L10-2 assume !!(main_~x~0 >= 0);main_~y~0 := 1; 70#L12-2 [2019-11-19 22:14:10,570 INFO L796 eck$LassoCheckResult]: Loop: 70#L12-2 assume !!(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824);main_~y~0 := 2 * main_~y~0; 70#L12-2 [2019-11-19 22:14:10,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:10,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-19 22:14:10,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:10,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662994450] [2019-11-19 22:14:10,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:10,578 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:10,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:10,579 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-11-19 22:14:10,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:10,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909015721] [2019-11-19 22:14:10,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:10,599 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:10,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:10,599 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-11-19 22:14:10,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:10,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888305044] [2019-11-19 22:14:10,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:10,609 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:10,648 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:14:10,649 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:14:10,649 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:14:10,649 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:14:10,649 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:14:10,649 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,649 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:14:10,649 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:14:10,649 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration2_Lasso [2019-11-19 22:14:10,650 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:14:10,650 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:14:10,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,771 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:14:10,771 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:10,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:10,785 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,789 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:10,790 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_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:10,807 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:14:10,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:10,812 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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 [2019-11-19 22:14:10,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:10,826 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:14:10,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:14:10,875 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:14:10,877 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:14:10,877 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:14:10,878 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:14:10,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:14:10,878 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:14:10,878 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:10,878 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:14:10,878 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:14:10,878 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration2_Lasso [2019-11-19 22:14:10,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:14:10,879 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:14:10,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:10,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:11,012 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:14:11,012 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:11,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:11,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:11,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:11,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:11,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:11,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:14:11,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:11,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:11,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:11,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:11,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:14:11,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:11,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:11,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:11,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:14:11,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:11,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:11,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:11,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:11,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:14:11,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:11,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:11,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:11,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:14:11,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:11,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:11,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:11,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:11,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:14:11,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:11,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:11,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:11,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:14:11,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:11,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:14:11,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:11,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:11,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:11,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:11,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:11,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:14:11,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:11,165 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:14:11,175 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-19 22:14:11,175 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:11,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:11,194 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 22:14:11,195 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:14:11,195 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 2147483647 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2019-11-19 22:14:11,200 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-19 22:14:11,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:11,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 22:14:11,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:11,248 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 22:14:11,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:11,249 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-19 22:14:11,249 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-11-19 22:14:11,282 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 5 states. [2019-11-19 22:14:11,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:14:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 22:14:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-19 22:14:11,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-19 22:14:11,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:11,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-19 22:14:11,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:11,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-19 22:14:11,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:11,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-11-19 22:14:11,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:11,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 13 transitions. [2019-11-19 22:14:11,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-19 22:14:11,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-19 22:14:11,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2019-11-19 22:14:11,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:14:11,288 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-11-19 22:14:11,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2019-11-19 22:14:11,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 6. [2019-11-19 22:14:11,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:14:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2019-11-19 22:14:11,290 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-19 22:14:11,290 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-11-19 22:14:11,291 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:14:11,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2019-11-19 22:14:11,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:11,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:14:11,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:14:11,294 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2019-11-19 22:14:11,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:14:11,295 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 131#L10-2 assume !!(main_~x~0 >= 0);main_~y~0 := 1; 128#L12-2 assume !(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824); 129#L12-3 main_~x~0 := main_~x~0 - 1; 132#L10-2 assume !!(main_~x~0 >= 0);main_~y~0 := 1; 127#L12-2 [2019-11-19 22:14:11,295 INFO L796 eck$LassoCheckResult]: Loop: 127#L12-2 assume !!(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824);main_~y~0 := 2 * main_~y~0; 127#L12-2 [2019-11-19 22:14:11,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,296 INFO L82 PathProgramCache]: Analyzing trace with hash 29867642, now seen corresponding path program 2 times [2019-11-19 22:14:11,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710127483] [2019-11-19 22:14:11,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:11,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,324 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 2 times [2019-11-19 22:14:11,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559663382] [2019-11-19 22:14:11,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,330 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:11,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,331 INFO L82 PathProgramCache]: Analyzing trace with hash 925896921, now seen corresponding path program 1 times [2019-11-19 22:14:11,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523913284] [2019-11-19 22:14:11,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:11,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523913284] [2019-11-19 22:14:11,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611450113] [2019-11-19 22:14:11,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:14:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:11,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 22:14:11,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:11,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:14:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:11,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:14:11,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-11-19 22:14:11,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703882812] [2019-11-19 22:14:11,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:14:11,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:14:11,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:14:11,462 INFO L87 Difference]: Start difference. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 7 states. [2019-11-19 22:14:11,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:14:11,522 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2019-11-19 22:14:11,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:14:11,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2019-11-19 22:14:11,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:11,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 8 states and 10 transitions. [2019-11-19 22:14:11,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-19 22:14:11,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-19 22:14:11,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-19 22:14:11,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:14:11,525 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 22:14:11,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-19 22:14:11,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-19 22:14:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-19 22:14:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-11-19 22:14:11,526 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-19 22:14:11,527 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-19 22:14:11,527 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 22:14:11,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2019-11-19 22:14:11,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:11,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:14:11,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:14:11,528 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2019-11-19 22:14:11,528 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:14:11,528 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 184#L10-2 assume !!(main_~x~0 >= 0);main_~y~0 := 1; 181#L12-2 assume !!(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824);main_~y~0 := 2 * main_~y~0; 182#L12-2 assume !(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824); 186#L12-3 main_~x~0 := main_~x~0 - 1; 185#L10-2 assume !!(main_~x~0 >= 0);main_~y~0 := 1; 180#L12-2 [2019-11-19 22:14:11,528 INFO L796 eck$LassoCheckResult]: Loop: 180#L12-2 assume !!(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824);main_~y~0 := 2 * main_~y~0; 180#L12-2 [2019-11-19 22:14:11,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,529 INFO L82 PathProgramCache]: Analyzing trace with hash 925951131, now seen corresponding path program 2 times [2019-11-19 22:14:11,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058365273] [2019-11-19 22:14:11,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,540 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:11,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,540 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 3 times [2019-11-19 22:14:11,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953694967] [2019-11-19 22:14:11,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,545 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:11,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1360285992, now seen corresponding path program 3 times [2019-11-19 22:14:11,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441605384] [2019-11-19 22:14:11,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:11,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441605384] [2019-11-19 22:14:11,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505037569] [2019-11-19 22:14:11,585 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:14:11,619 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-19 22:14:11,620 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-19 22:14:11,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:14:11,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:11,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:14:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:11,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:14:11,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-11-19 22:14:11,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932071411] [2019-11-19 22:14:11,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:14:11,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 22:14:11,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:14:11,660 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 8 states. [2019-11-19 22:14:11,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:14:11,731 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-11-19 22:14:11,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:14:11,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2019-11-19 22:14:11,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:11,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 12 transitions. [2019-11-19 22:14:11,734 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-19 22:14:11,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-19 22:14:11,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2019-11-19 22:14:11,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:14:11,735 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-11-19 22:14:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2019-11-19 22:14:11,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2019-11-19 22:14:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-19 22:14:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-19 22:14:11,736 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 22:14:11,736 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-19 22:14:11,736 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 22:14:11,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-19 22:14:11,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:14:11,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:14:11,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:14:11,737 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2019-11-19 22:14:11,737 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:14:11,738 INFO L794 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 242#L10-2 assume !!(main_~x~0 >= 0);main_~y~0 := 1; 239#L12-2 assume !!(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824);main_~y~0 := 2 * main_~y~0; 240#L12-2 assume !!(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824);main_~y~0 := 2 * main_~y~0; 245#L12-2 assume !(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824); 244#L12-3 main_~x~0 := main_~x~0 - 1; 243#L10-2 assume !!(main_~x~0 >= 0);main_~y~0 := 1; 238#L12-2 [2019-11-19 22:14:11,738 INFO L796 eck$LassoCheckResult]: Loop: 238#L12-2 assume !!(main_~x~0 > main_~y~0 && main_~y~0 < 1073741824);main_~y~0 := 2 * main_~y~0; 238#L12-2 [2019-11-19 22:14:11,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1360231782, now seen corresponding path program 4 times [2019-11-19 22:14:11,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,738 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177759923] [2019-11-19 22:14:11,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,768 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 4 times [2019-11-19 22:14:11,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501977889] [2019-11-19 22:14:11,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,783 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:11,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:11,784 INFO L82 PathProgramCache]: Analyzing trace with hash 782487737, now seen corresponding path program 5 times [2019-11-19 22:14:11,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:14:11,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936850736] [2019-11-19 22:14:11,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:14:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:11,809 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:14:11,915 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:14:11,915 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:14:11,916 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:14:11,916 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:14:11,916 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:14:11,916 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:11,916 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:14:11,916 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:14:11,916 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration5_Lasso [2019-11-19 22:14:11,916 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:14:11,917 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:14:11,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:11,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:11,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:11,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:11,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:11,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:11,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,039 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:14:12,039 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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 [2019-11-19 22:14:12,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:12,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:14:12,058 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:12,058 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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 [2019-11-19 22:14:12,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:12,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:14:12,077 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:12,077 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:12,095 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:12,102 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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 [2019-11-19 22:14:12,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:12,114 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:14:12,118 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:14:12,118 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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 [2019-11-19 22:14:12,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:14:12,130 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:14:12,163 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,182 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:14:12,184 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:14:12,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:14:12,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:14:12,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:14:12,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:14:12,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:14:12,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:14:12,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01-no-inv.c_Iteration5_Lasso [2019-11-19 22:14:12,184 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:14:12,185 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:14:12,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:14:12,292 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:14:12,293 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:12,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:12,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:14:12,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:12,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:12,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:12,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:14:12,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:12,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:12,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:14:12,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:12,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:12,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:12,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:14:12,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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 [2019-11-19 22:14:12,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:12,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:12,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:14:12,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:12,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:12,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:12,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:14:12,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:14:12,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:12,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:12,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:12,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:12,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:12,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:14:12,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:12,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:12,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:12,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:12,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:12,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:14:12,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:12,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:12,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:12,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:12,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:14:12,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:14:12,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:14:12,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:14:12,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:14:12,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:14:12,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:14:12,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:14:12,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,417 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:14:12,453 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-19 22:14:12,453 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f72b0904-7143-45f6-a111-3413aacc34e1/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) [2019-11-19 22:14:12,510 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:14:12,517 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 22:14:12,517 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:14:12,518 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -2147483648*ULTIMATE.start_main_~y~0 + 2147483647*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2019-11-19 22:14:12,521 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-19 22:14:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:12,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 22:14:12,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:12,559 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:14:12,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:12,560 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-19 22:14:12,560 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-19 22:14:12,587 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 15 states and 19 transitions. Complement of second has 5 states. [2019-11-19 22:14:12,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:14:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 22:14:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-19 22:14:12,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-19 22:14:12,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:12,589 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:14:12,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:12,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 22:14:12,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:12,629 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:14:12,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:12,630 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-19 22:14:12,630 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-19 22:14:12,659 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 15 states and 19 transitions. Complement of second has 5 states. [2019-11-19 22:14:12,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:14:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 22:14:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-19 22:14:12,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-19 22:14:12,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:12,660 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:14:12,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:12,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 22:14:12,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:14:12,700 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:14:12,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:14:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:14:12,701 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-19 22:14:12,701 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-19 22:14:12,739 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 13 transitions. Complement of second has 4 states. [2019-11-19 22:14:12,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:14:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 22:14:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2019-11-19 22:14:12,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-19 22:14:12,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:12,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 8 letters. Loop has 1 letters. [2019-11-19 22:14:12,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:12,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-19 22:14:12,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:14:12,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2019-11-19 22:14:12,742 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:14:12,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-11-19 22:14:12,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:14:12,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:14:12,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:14:12,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:14:12,742 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:14:12,742 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:14:12,742 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:14:12,743 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 22:14:12,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:14:12,743 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:14:12,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:14:12,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:14:12 BoogieIcfgContainer [2019-11-19 22:14:12,749 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:14:12,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:14:12,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:14:12,749 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:14:12,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:14:09" (3/4) ... [2019-11-19 22:14:12,752 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:14:12,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:14:12,760 INFO L168 Benchmark]: Toolchain (without parser) took 3710.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:12,761 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:14:12,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:12,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:14:12,762 INFO L168 Benchmark]: Boogie Preprocessor took 16.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:14:12,763 INFO L168 Benchmark]: RCFGBuilder took 199.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:12,767 INFO L168 Benchmark]: BuchiAutomizer took 3121.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.6 MB). Peak memory consumption was 93.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:12,768 INFO L168 Benchmark]: Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:14:12,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 199.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3121.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.6 MB). Peak memory consumption was 93.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * x + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * y + 2147483647 and consists of 3 locations. One nondeterministic module has affine ranking function -2147483648 * y + 2147483647 * x and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 27 SDslu, 9 SDs, 0 SdLazy, 80 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf98 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf102 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...