./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f9a38be18608b9918f157c72437435dc654871f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:30,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:30,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:30,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:30,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:30,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:30,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:30,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:30,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:30,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:30,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:30,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:30,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:30,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:30,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:30,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:30,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:30,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:30,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:30,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:30,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:30,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:30,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:30,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:30,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:30,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:30,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:30,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:30,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:30,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:30,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:30,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:30,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:30,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:30,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:30,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:30,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:30,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:30,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:30,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:30,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:30,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:02:30,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:30,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:30,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:30,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:30,525 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:30,525 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:02:30,525 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:02:30,526 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:02:30,526 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:02:30,526 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:02:30,526 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:02:30,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:30,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:30,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:30,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:30,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:30,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:30,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:02:30,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:02:30,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:02:30,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:30,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:30,528 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:02:30,528 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:30,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:02:30,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:30,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:30,529 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:02:30,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:30,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:30,529 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:02:30,533 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:02:30,533 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f9a38be18608b9918f157c72437435dc654871f [2019-10-22 09:02:30,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:30,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:30,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:30,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:30,590 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:30,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/../../sv-benchmarks/c/recursive/Addition02.c [2019-10-22 09:02:30,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/data/92a276623/e8dcf2f07d3e4035bb074c41e2fa576e/FLAGea3c94542 [2019-10-22 09:02:31,042 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:31,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/sv-benchmarks/c/recursive/Addition02.c [2019-10-22 09:02:31,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/data/92a276623/e8dcf2f07d3e4035bb074c41e2fa576e/FLAGea3c94542 [2019-10-22 09:02:31,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/data/92a276623/e8dcf2f07d3e4035bb074c41e2fa576e [2019-10-22 09:02:31,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:31,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:31,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:31,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:31,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:31,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2d2514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31, skipping insertion in model container [2019-10-22 09:02:31,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:31,482 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:31,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:31,619 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:31,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:31,706 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:31,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31 WrapperNode [2019-10-22 09:02:31,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:31,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:31,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:31,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:31,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:31,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:31,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:31,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:31,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... [2019-10-22 09:02:31,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:31,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:31,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:31,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:31,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-10-22 09:02:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-10-22 09:02:31,915 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:31,916 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:02:31,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:31 BoogieIcfgContainer [2019-10-22 09:02:31,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:31,917 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:02:31,917 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:02:31,925 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:02:31,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:31,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:02:31" (1/3) ... [2019-10-22 09:02:31,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9bebb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:31, skipping insertion in model container [2019-10-22 09:02:31,929 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:31,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:31" (2/3) ... [2019-10-22 09:02:31,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9bebb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:31, skipping insertion in model container [2019-10-22 09:02:31,930 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:31,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:31" (3/3) ... [2019-10-22 09:02:31,931 INFO L371 chiAutomizerObserver]: Analyzing ICFG Addition02.c [2019-10-22 09:02:31,974 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:02:31,974 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:02:31,974 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:02:31,974 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:31,974 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:31,975 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:02:31,975 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:31,975 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:02:31,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-10-22 09:02:32,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-10-22 09:02:32,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:32,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:32,018 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 09:02:32,019 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-10-22 09:02:32,019 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:02:32,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-10-22 09:02:32,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-10-22 09:02:32,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:32,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:32,022 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 09:02:32,022 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-10-22 09:02:32,029 INFO L791 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L28true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 19#L34true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 9#L39true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 14#additionENTRYtrue [2019-10-22 09:02:32,029 INFO L793 eck$LassoCheckResult]: Loop: 14#additionENTRYtrue ~m := #in~m;~n := #in~n; 17#L14true assume !(0 == ~n); 12#L17true assume ~n > 0; 11#L18true call #t~ret0 := addition(1 + ~m, ~n - 1);< 14#additionENTRYtrue [2019-10-22 09:02:32,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:32,034 INFO L82 PathProgramCache]: Analyzing trace with hash 959461, now seen corresponding path program 1 times [2019-10-22 09:02:32,041 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:32,042 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843579859] [2019-10-22 09:02:32,042 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,042 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:32,140 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:32,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:32,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1666418, now seen corresponding path program 1 times [2019-10-22 09:02:32,142 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:32,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190194140] [2019-10-22 09:02:32,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:32,154 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:32,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:32,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1319862102, now seen corresponding path program 1 times [2019-10-22 09:02:32,156 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:32,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810120940] [2019-10-22 09:02:32,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,157 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:32,179 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:32,285 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:32,286 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:32,287 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:32,287 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:32,287 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:02:32,287 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:32,287 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:32,287 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:32,288 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2019-10-22 09:02:32,288 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:32,288 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:32,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,389 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:32,390 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:32,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:32,404 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:02:32,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:32,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/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) [2019-10-22 09:02:32,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:32,428 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 [2019-10-22 09:02:32,432 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:32,432 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:32,442 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:32,442 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:32,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:32,447 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/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) [2019-10-22 09:02:32,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:32,457 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/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:32,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:32,469 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:32,488 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:32,488 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=4}, {addition_#in~m=0}, {addition_#in~m=-3}] Lambdas: [1, 5, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/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) [2019-10-22 09:02:32,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:32,500 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:32,504 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:32,504 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:32,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:32,512 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/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) [2019-10-22 09:02:32,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:32,525 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:32,534 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:02:32,537 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:32,537 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:32,537 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:32,537 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:32,537 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:02:32,538 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:32,538 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:32,538 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:32,538 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2019-10-22 09:02:32,538 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:32,538 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:32,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:32,615 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:32,622 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:02:32,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,624 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:32,625 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,625 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,625 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,626 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:32,628 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:32,628 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,634 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:32,634 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,638 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,638 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,638 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:32,638 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:32,639 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,641 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:32,641 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,641 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,641 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,641 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:32,642 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:32,642 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,645 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:32,645 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,646 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,646 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,646 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:32,646 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:32,646 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,653 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:32,653 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,653 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,653 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,653 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:32,654 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:32,654 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,656 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:32,656 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,657 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,657 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,657 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:32,657 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:32,657 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:32,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:32,662 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:32,662 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:32,662 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:32,668 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:32,668 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:32,668 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:32,669 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:32,673 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:02:32,677 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 09:02:32,677 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 09:02:32,681 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:02:32,681 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 09:02:32,681 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:02:32,682 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2019-10-22 09:02:32,684 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 09:02:32,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:32,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:02:32,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:32,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:02:32,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:32,791 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-10-22 09:02:32,792 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 4 states. [2019-10-22 09:02:32,890 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 4 states. Result 53 states and 72 transitions. Complement of second has 12 states. [2019-10-22 09:02:32,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:02:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 09:02:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-10-22 09:02:32,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2019-10-22 09:02:32,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:32,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2019-10-22 09:02:32,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:32,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2019-10-22 09:02:32,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:32,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 72 transitions. [2019-10-22 09:02:32,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-10-22 09:02:32,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 26 states and 29 transitions. [2019-10-22 09:02:32,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-10-22 09:02:32,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-10-22 09:02:32,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2019-10-22 09:02:32,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 09:02:32,910 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-10-22 09:02:32,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2019-10-22 09:02:32,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 17. [2019-10-22 09:02:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-10-22 09:02:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-10-22 09:02:32,937 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-10-22 09:02:32,938 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-10-22 09:02:32,938 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:02:32,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-10-22 09:02:32,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-10-22 09:02:32,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:32,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:32,939 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:32,940 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-10-22 09:02:32,940 INFO L791 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2; 143#L28 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 146#L34 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 136#L39 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 137#additionENTRY ~m := #in~m;~n := #in~n; 139#L14 assume !(0 == ~n); 144#L17 assume !(~n > 0); 132#L20 [2019-10-22 09:02:32,940 INFO L793 eck$LassoCheckResult]: Loop: 132#L20 assume ~n < 0; 134#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 141#additionENTRY ~m := #in~m;~n := #in~n; 148#L14 assume !(0 == ~n); 147#L17 assume !(~n > 0); 132#L20 [2019-10-22 09:02:32,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:32,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1481444455, now seen corresponding path program 1 times [2019-10-22 09:02:32,940 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:32,941 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014359000] [2019-10-22 09:02:32,941 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,941 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:32,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:33,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014359000] [2019-10-22 09:02:33,055 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:33,055 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:33,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756316418] [2019-10-22 09:02:33,058 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 09:02:33,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:33,058 INFO L82 PathProgramCache]: Analyzing trace with hash 64193780, now seen corresponding path program 1 times [2019-10-22 09:02:33,063 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:33,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481575624] [2019-10-22 09:02:33,064 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:33,064 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:33,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:33,075 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:33,149 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:33,149 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:33,149 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:33,149 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:33,149 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 09:02:33,149 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:33,149 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:33,149 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:33,149 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2019-10-22 09:02:33,150 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:33,150 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:33,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:33,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:33,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:33,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:33,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:33,232 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:33,233 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:33,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:33,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:02:33,241 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:33,242 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:33,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:33,258 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/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) [2019-10-22 09:02:33,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:33,272 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 [2019-10-22 09:02:33,403 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:33,403 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-4, addition_~m=3} Honda state: {addition_#in~m=-4, addition_~m=3} Generalized eigenvectors: [{addition_#in~m=7, addition_~m=0}, {addition_#in~m=5, addition_~m=-1}, {addition_#in~m=-6, addition_~m=0}] Lambdas: [0, 1, 0] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/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 [2019-10-22 09:02:33,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:33,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:02:33,415 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:33,415 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/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 [2019-10-22 09:02:33,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:33,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 09:02:33,423 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 09:02:33,423 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:33,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 09:02:33,434 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25fa80f0-3f06-41ba-9ef2-004032fe4cae/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 09:02:33,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 09:02:33,450 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:44,153 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 09:02:44,156 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:44,156 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:44,156 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:44,156 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:44,156 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:02:44,156 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:44,157 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:44,157 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:44,157 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2019-10-22 09:02:44,157 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:44,157 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:44,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:44,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:44,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:44,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:44,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:44,237 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:44,237 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:02:44,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:44,238 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:44,239 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:44,239 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:44,239 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:44,239 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:44,240 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:44,240 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:44,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:44,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:44,242 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:44,243 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:44,243 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:44,243 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:44,243 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:44,243 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:44,244 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:44,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:44,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:44,245 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:44,246 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:44,246 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:44,246 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:44,246 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:44,247 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:44,247 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:44,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:44,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:44,252 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:44,252 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:44,253 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:44,253 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:44,253 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:44,253 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:44,253 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:44,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:44,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:44,255 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:44,256 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:44,256 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:44,256 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:44,256 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:44,257 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:44,257 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:44,262 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:02:44,265 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 09:02:44,266 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 09:02:44,266 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:02:44,266 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 09:02:44,266 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:02:44,267 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2019-10-22 09:02:44,267 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 09:02:44,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:44,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:02:44,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:44,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:02:44,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:44,330 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-10-22 09:02:44,330 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-10-22 09:02:44,373 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 31 states and 36 transitions. Complement of second has 13 states. [2019-10-22 09:02:44,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-10-22 09:02:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 09:02:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-10-22 09:02:44,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2019-10-22 09:02:44,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:44,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2019-10-22 09:02:44,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:44,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2019-10-22 09:02:44,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:44,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2019-10-22 09:02:44,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-10-22 09:02:44,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 35 transitions. [2019-10-22 09:02:44,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-10-22 09:02:44,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-10-22 09:02:44,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 35 transitions. [2019-10-22 09:02:44,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 09:02:44,379 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-10-22 09:02:44,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 35 transitions. [2019-10-22 09:02:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2019-10-22 09:02:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 09:02:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-10-22 09:02:44,382 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-10-22 09:02:44,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:44,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:44,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:44,386 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 6 states. [2019-10-22 09:02:44,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:44,429 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-10-22 09:02:44,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:44,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2019-10-22 09:02:44,430 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:02:44,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2019-10-22 09:02:44,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:02:44,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:02:44,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:02:44,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:02:44,431 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:44,431 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:44,431 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:44,432 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 09:02:44,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:44,432 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:02:44,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:02:44,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:44 BoogieIcfgContainer [2019-10-22 09:02:44,436 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:44,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:44,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:44,437 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:44,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:31" (3/4) ... [2019-10-22 09:02:44,440 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:02:44,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:44,441 INFO L168 Benchmark]: Toolchain (without parser) took 12987.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 941.0 MB in the beginning and 878.8 MB in the end (delta: 62.3 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:44,442 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:44,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:44,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:44,443 INFO L168 Benchmark]: Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:44,443 INFO L168 Benchmark]: RCFGBuilder took 173.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:44,444 INFO L168 Benchmark]: BuchiAutomizer took 12518.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.8 MB in the end (delta: 228.8 MB). Peak memory consumption was 228.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:44,444 INFO L168 Benchmark]: Witness Printer took 3.37 ms. Allocated memory is still 1.2 GB. Free memory is still 878.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:44,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 173.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12518.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.8 MB in the end (delta: 228.8 MB). Peak memory consumption was 228.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.37 ms. Allocated memory is still 1.2 GB. Free memory is still 878.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 11.9s. 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, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 27 SDtfs, 44 SDslu, 10 SDs, 0 SdLazy, 58 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp87 dnf100 smp100 tf111 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 11.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...