./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC9.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_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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 ddb977b9fea860f52c9087edc999243e3a2c7a92 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:13:35,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:13:35,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:13:35,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:13:35,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:13:35,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:13:35,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:13:35,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:13:35,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:13:35,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:13:35,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:13:35,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:13:35,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:13:35,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:13:35,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:13:35,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:13:35,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:13:35,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:13:35,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:13:35,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:13:35,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:13:35,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:13:35,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:13:35,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:13:35,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:13:35,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:13:35,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:13:35,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:13:35,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:13:35,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:13:35,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:13:35,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:13:35,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:13:35,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:13:35,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:13:35,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:13:35,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:13:35,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:13:35,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:13:35,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:13:35,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:13:35,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 07:13:35,489 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:13:35,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:13:35,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:13:35,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:13:35,490 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:13:35,490 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 07:13:35,491 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 07:13:35,491 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 07:13:35,491 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 07:13:35,491 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 07:13:35,491 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 07:13:35,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:13:35,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 07:13:35,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:13:35,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:13:35,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 07:13:35,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 07:13:35,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 07:13:35,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:13:35,493 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 07:13:35,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:13:35,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 07:13:35,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:13:35,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:13:35,494 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 07:13:35,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:13:35,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:13:35,495 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 07:13:35,495 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 07:13:35,495 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_02c6ef12-8245-4a9d-933b-f80bfd471efb/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 -> ddb977b9fea860f52c9087edc999243e3a2c7a92 [2019-11-20 07:13:35,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:13:35,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:13:35,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:13:35,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:13:35,646 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:13:35,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/PastaC9.c [2019-11-20 07:13:35,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/data/ddfcba939/bde6bccd0b364582b99dbec282a6b82f/FLAG4ea41cd7e [2019-11-20 07:13:36,060 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:13:36,061 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2019-11-20 07:13:36,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/data/ddfcba939/bde6bccd0b364582b99dbec282a6b82f/FLAG4ea41cd7e [2019-11-20 07:13:36,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/data/ddfcba939/bde6bccd0b364582b99dbec282a6b82f [2019-11-20 07:13:36,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:13:36,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:13:36,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:13:36,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:13:36,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:13:36,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b78e6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36, skipping insertion in model container [2019-11-20 07:13:36,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,095 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:13:36,113 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:13:36,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:13:36,307 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:13:36,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:13:36,437 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:13:36,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36 WrapperNode [2019-11-20 07:13:36,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:13:36,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:13:36,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:13:36,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:13:36,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:13:36,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:13:36,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:13:36,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:13:36,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... [2019-11-20 07:13:36,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:13:36,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:13:36,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:13:36,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:13:36,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:13:36,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:13:36,672 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:13:36,672 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 07:13:36,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:13:36 BoogieIcfgContainer [2019-11-20 07:13:36,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:13:36,674 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 07:13:36,674 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 07:13:36,677 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 07:13:36,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:13:36,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:13:36" (1/3) ... [2019-11-20 07:13:36,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452fbe28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:13:36, skipping insertion in model container [2019-11-20 07:13:36,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:13:36,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:36" (2/3) ... [2019-11-20 07:13:36,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@452fbe28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:13:36, skipping insertion in model container [2019-11-20 07:13:36,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 07:13:36,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:13:36" (3/3) ... [2019-11-20 07:13:36,681 INFO L371 chiAutomizerObserver]: Analyzing ICFG PastaC9.c [2019-11-20 07:13:36,724 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 07:13:36,724 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 07:13:36,724 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 07:13:36,724 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:13:36,724 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:13:36,725 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 07:13:36,725 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:13:36,725 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 07:13:36,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 07:13:36,756 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 07:13:36,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:13:36,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:13:36,762 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 07:13:36,763 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:13:36,763 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 07:13:36,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 07:13:36,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 07:13:36,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:13:36,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:13:36,765 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 07:13:36,765 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:13:36,772 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L14-2true [2019-11-20 07:13:36,772 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 9#L14true assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 5#L14-2true [2019-11-20 07:13:36,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:36,778 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 07:13:36,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:36,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601017643] [2019-11-20 07:13:36,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:36,878 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:36,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:36,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-20 07:13:36,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:36,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884376313] [2019-11-20 07:13:36,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:36,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:36,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:36,897 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-20 07:13:36,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:36,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580812372] [2019-11-20 07:13:36,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:36,911 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:37,018 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-11-20 07:13:37,055 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:13:37,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:13:37,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:13:37,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:13:37,057 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 07:13:37,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:13:37,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:13:37,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2019-11-20 07:13:37,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:13:37,058 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:13:37,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,242 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:13:37,243 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:37,250 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:37,250 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 [2019-11-20 07:13:37,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 07:13:37,273 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_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:37,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:37,298 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 [2019-11-20 07:13:37,302 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 07:13:37,302 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_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:37,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 07:13:37,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 07:13:37,354 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=41} Honda state: {ULTIMATE.start_main_#t~nondet2=41} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:37,366 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:37,366 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 07:13:37,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 07:13:37,384 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 07:13:37,386 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:13:37,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:13:37,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:13:37,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:13:37,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:13:37,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:13:37,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:13:37,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2019-11-20 07:13:37,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:13:37,387 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:13:37,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,507 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:13:37,512 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:37,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:37,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:37,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:37,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:37,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:37,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:13:37,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:37,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:37,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:37,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:37,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:37,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:13:37,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 07:13:37,557 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:37,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:37,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:13:37,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:37,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:37,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:37,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:13:37,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:13:37,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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 [2019-11-20 07:13:37,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:37,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:37,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:13:37,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:37,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:37,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:37,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:13:37,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 07:13:37,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:13:37,611 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-20 07:13:37,612 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 07:13:37,622 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 07:13:37,622 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:13:37,623 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-11-20 07:13:37,627 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 07:13:37,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:37,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:13:37,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:37,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:13:37,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:13:37,730 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 07:13:37,731 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-20 07:13:37,772 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 28 states and 35 transitions. Complement of second has 7 states. [2019-11-20 07:13:37,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 07:13:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 07:13:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-11-20 07:13:37,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-20 07:13:37,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:37,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 07:13:37,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:37,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-20 07:13:37,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:37,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2019-11-20 07:13:37,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 07:13:37,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 8 states and 11 transitions. [2019-11-20 07:13:37,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-20 07:13:37,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-20 07:13:37,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-11-20 07:13:37,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:13:37,788 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-11-20 07:13:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-11-20 07:13:37,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-20 07:13:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 07:13:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-20 07:13:37,808 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-20 07:13:37,808 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-20 07:13:37,808 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 07:13:37,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-20 07:13:37,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 07:13:37,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:13:37,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:13:37,809 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 07:13:37,809 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:13:37,809 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 72#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2019-11-20 07:13:37,810 INFO L796 eck$LassoCheckResult]: Loop: 74#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 73#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2019-11-20 07:13:37,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:37,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-20 07:13:37,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:37,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433462358] [2019-11-20 07:13:37,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:37,826 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:37,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:37,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2019-11-20 07:13:37,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:37,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092753765] [2019-11-20 07:13:37,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:37,836 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:37,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:37,837 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2019-11-20 07:13:37,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:37,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26496625] [2019-11-20 07:13:37,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:37,847 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:37,869 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:13:37,869 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:13:37,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:13:37,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:13:37,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 07:13:37,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:37,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:13:37,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:13:37,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2019-11-20 07:13:37,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:13:37,870 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:13:37,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:37,995 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:13:37,995 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:13:38,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:38,011 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,018 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 07:13:38,018 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_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:38,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 07:13:38,038 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 07:13:38,038 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Honda state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:38,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 07:13:38,062 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 07:13:38,062 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:38,077 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,082 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 07:13:38,082 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:13:38,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:38,099 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 07:13:38,124 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,182 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 07:13:38,184 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:13:38,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:13:38,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:13:38,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:13:38,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:13:38,185 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,185 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:13:38,185 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:13:38,185 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2019-11-20 07:13:38,185 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:13:38,185 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:13:38,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,273 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:13:38,273 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:13:38,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:38,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:38,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:38,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:38,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:38,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:13:38,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 07:13:38,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:38,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:38,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:13:38,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:38,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:38,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:38,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:13:38,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:38,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:38,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:38,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:38,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:38,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 07:13:38,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:38,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:38,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:13:38,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:38,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:38,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:38,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:13:38,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:38,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:38,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:13:38,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:38,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:38,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:38,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:13:38,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,437 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:13:38,449 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 07:13:38,449 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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 [2019-11-20 07:13:38,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 07:13:38,464 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 07:13:38,464 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:13:38,464 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-20 07:13:38,467 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 07:13:38,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:38,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:13:38,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:38,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:13:38,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:13:38,526 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 07:13:38,526 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 07:13:38,548 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 14 states and 19 transitions. Complement of second has 5 states. [2019-11-20 07:13:38,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 07:13:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 07:13:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 07:13:38,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-20 07:13:38,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:38,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 07:13:38,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:38,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-20 07:13:38,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:38,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2019-11-20 07:13:38,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 07:13:38,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 12 transitions. [2019-11-20 07:13:38,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-20 07:13:38,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-20 07:13:38,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2019-11-20 07:13:38,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 07:13:38,554 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2019-11-20 07:13:38,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2019-11-20 07:13:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2019-11-20 07:13:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 07:13:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-11-20 07:13:38,555 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-20 07:13:38,555 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-20 07:13:38,555 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 07:13:38,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2019-11-20 07:13:38,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 07:13:38,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 07:13:38,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 07:13:38,556 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2019-11-20 07:13:38,556 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 07:13:38,557 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 126#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 127#L14 assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 131#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2019-11-20 07:13:38,557 INFO L796 eck$LassoCheckResult]: Loop: 129#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 130#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2019-11-20 07:13:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:38,560 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2019-11-20 07:13:38,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:38,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450212406] [2019-11-20 07:13:38,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:38,589 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:38,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:38,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2019-11-20 07:13:38,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:38,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923508790] [2019-11-20 07:13:38,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:38,616 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:38,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:38,617 INFO L82 PathProgramCache]: Analyzing trace with hash 925765410, now seen corresponding path program 1 times [2019-11-20 07:13:38,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:13:38,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698394117] [2019-11-20 07:13:38,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:13:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:13:38,635 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:13:38,659 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:13:38,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:13:38,659 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:13:38,659 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:13:38,659 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 07:13:38,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:13:38,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:13:38,660 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2019-11-20 07:13:38,660 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:13:38,660 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:13:38,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,742 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:13:38,742 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 07:13:38,751 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 07:13:38,761 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 [2019-11-20 07:13:38,822 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 07:13:38,824 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 07:13:38,825 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 07:13:38,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 07:13:38,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 07:13:38,825 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 07:13:38,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 07:13:38,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 07:13:38,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2019-11-20 07:13:38,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 07:13:38,826 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 07:13:38,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 07:13:38,918 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 07:13:38,918 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 07:13:38,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 07:13:38,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 07:13:38,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 07:13:38,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 07:13:38,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 07:13:38,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 07:13:38,926 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 [2019-11-20 07:13:38,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 07:13:38,933 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 07:13:38,933 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02c6ef12-8245-4a9d-933b-f80bfd471efb/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) [2019-11-20 07:13:38,937 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 07:13:38,937 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 07:13:38,937 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 07:13:38,938 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 07:13:38,940 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 07:13:38,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:38,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:13:38,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:38,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:13:38,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:13:38,979 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 07:13:38,979 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-11-20 07:13:38,995 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2019-11-20 07:13:38,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 07:13:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 07:13:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 07:13:38,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 07:13:38,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:38,996 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 07:13:39,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:39,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:13:39,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:39,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:13:39,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:13:39,032 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 07:13:39,033 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-11-20 07:13:39,046 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2019-11-20 07:13:39,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 07:13:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 07:13:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 07:13:39,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 07:13:39,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:39,048 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 07:13:39,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:13:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:39,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:13:39,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:13:39,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:13:39,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:13:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:13:39,093 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 2 loop predicates [2019-11-20 07:13:39,093 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-11-20 07:13:39,113 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 4 states. [2019-11-20 07:13:39,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 07:13:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 07:13:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-20 07:13:39,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 07:13:39,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:39,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 07:13:39,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:39,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 07:13:39,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 07:13:39,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2019-11-20 07:13:39,116 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:13:39,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2019-11-20 07:13:39,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 07:13:39,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 07:13:39,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 07:13:39,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 07:13:39,117 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:13:39,117 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:13:39,117 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:13:39,117 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 07:13:39,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:13:39,118 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 07:13:39,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 07:13:39,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:13:39 BoogieIcfgContainer [2019-11-20 07:13:39,124 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 07:13:39,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:13:39,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:13:39,125 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:13:39,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:13:36" (3/4) ... [2019-11-20 07:13:39,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 07:13:39,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:13:39,130 INFO L168 Benchmark]: Toolchain (without parser) took 3050.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 943.4 MB in the beginning and 836.4 MB in the end (delta: 107.0 MB). Peak memory consumption was 276.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:13:39,130 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. [2019-11-20 07:13:39,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -217.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:13:39,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:13:39,132 INFO L168 Benchmark]: Boogie Preprocessor took 19.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:13:39,132 INFO L168 Benchmark]: RCFGBuilder took 184.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:13:39,133 INFO L168 Benchmark]: BuchiAutomizer took 2450.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 836.4 MB in the end (delta: 309.1 MB). Peak memory consumption was 309.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:13:39,133 INFO L168 Benchmark]: Witness Printer took 4.06 ms. Allocated memory is still 1.2 GB. Free memory is still 836.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:13:39,136 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 355.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -217.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 184.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2450.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 836.4 MB in the end (delta: 309.1 MB). Peak memory consumption was 309.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.06 ms. Allocated memory is still 1.2 GB. Free memory is still 836.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 18 SDslu, 10 SDs, 0 SdLazy, 32 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf97 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf92 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 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...