./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:15:40,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:15:40,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:15:40,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:15:40,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:15:40,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:15:40,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:15:40,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:15:40,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:15:40,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:15:40,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:15:40,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:15:40,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:15:40,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:15:40,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:15:40,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:15:40,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:15:40,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:15:40,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:15:40,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:15:40,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:15:40,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:15:40,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:15:40,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:15:40,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:15:40,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:15:40,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:15:40,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:15:40,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:15:40,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:15:40,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:15:40,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:15:40,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:15:40,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:15:40,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:15:40,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:15:40,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:15:40,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:15:40,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:15:40,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:15:40,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:15:40,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 22:15:40,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:15:40,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:15:40,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:15:40,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:15:40,391 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:15:40,391 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:15:40,392 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:15:40,392 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:15:40,392 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:15:40,392 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:15:40,393 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:15:40,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:15:40,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:15:40,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:15:40,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:15:40,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:15:40,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:15:40,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:15:40,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:15:40,395 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:15:40,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:15:40,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:15:40,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:15:40,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:15:40,396 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:15:40,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:15:40,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:15:40,397 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:15:40,398 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:15:40,399 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_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2019-11-15 22:15:40,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:15:40,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:15:40,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:15:40,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:15:40,453 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:15:40,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-11-15 22:15:40,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/data/35b6b97c4/a8ab4db6fa4e4f96bf3fd0c158509456/FLAG30a820fb0 [2019-11-15 22:15:41,035 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:15:41,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2019-11-15 22:15:41,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/data/35b6b97c4/a8ab4db6fa4e4f96bf3fd0c158509456/FLAG30a820fb0 [2019-11-15 22:15:41,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/data/35b6b97c4/a8ab4db6fa4e4f96bf3fd0c158509456 [2019-11-15 22:15:41,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:15:41,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:15:41,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:15:41,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:15:41,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:15:41,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3539856c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41, skipping insertion in model container [2019-11-15 22:15:41,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,392 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:15:41,408 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:15:41,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:15:41,592 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:15:41,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:15:41,712 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:15:41,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41 WrapperNode [2019-11-15 22:15:41,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:15:41,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:15:41,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:15:41,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:15:41,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:15:41,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:15:41,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:15:41,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:15:41,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... [2019-11-15 22:15:41,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:15:41,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:15:41,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:15:41,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:15:41,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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 [2019-11-15 22:15:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:15:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:15:42,046 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:15:42,046 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 22:15:42,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:42 BoogieIcfgContainer [2019-11-15 22:15:42,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:15:42,048 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:15:42,048 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:15:42,052 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:15:42,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:15:42,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:15:41" (1/3) ... [2019-11-15 22:15:42,055 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38fc4373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:15:42, skipping insertion in model container [2019-11-15 22:15:42,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:15:42,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:41" (2/3) ... [2019-11-15 22:15:42,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38fc4373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:15:42, skipping insertion in model container [2019-11-15 22:15:42,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:15:42,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:42" (3/3) ... [2019-11-15 22:15:42,058 INFO L371 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2019-11-15 22:15:42,114 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:15:42,114 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:15:42,114 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:15:42,115 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:15:42,115 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:15:42,115 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:15:42,115 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:15:42,115 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:15:42,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 22:15:42,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 22:15:42,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:15:42,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:15:42,157 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-15 22:15:42,157 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 22:15:42,157 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:15:42,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 22:15:42,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 22:15:42,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:15:42,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:15:42,160 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-15 22:15:42,160 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 22:15:42,169 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2019-11-15 22:15:42,169 INFO L793 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2019-11-15 22:15:42,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-11-15 22:15:42,185 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:15:42,186 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962292274] [2019-11-15 22:15:42,186 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:42,186 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:42,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:15:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:42,293 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:15:42,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:42,295 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2019-11-15 22:15:42,295 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:15:42,296 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645045308] [2019-11-15 22:15:42,296 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:42,296 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:42,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:15:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:42,313 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:15:42,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:42,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2019-11-15 22:15:42,315 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:15:42,315 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930510719] [2019-11-15 22:15:42,316 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:42,316 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:42,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:15:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:42,339 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:15:42,566 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-11-15 22:15:42,579 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:15:42,582 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:15:42,582 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:15:42,583 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:15:42,583 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:15:42,583 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:15:42,583 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:15:42,584 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:15:42,584 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-11-15 22:15:42,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:15:42,584 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:15:42,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:42,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:42,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:42,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:42,795 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:15:42,796 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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 [2019-11-15 22:15:42,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:15:42,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:15:42,816 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:15:42,816 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: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:15:42,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:15:42,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:15:42,845 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:15:42,846 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_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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) [2019-11-15 22:15:42,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:15:42,858 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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) [2019-11-15 22:15:42,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:15:42,895 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 [2019-11-15 22:15:43,339 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:15:43,342 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:15:43,342 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:15:43,342 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:15:43,342 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:15:43,342 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:15:43,342 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:15:43,343 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:15:43,343 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:15:43,343 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2019-11-15 22:15:43,343 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:15:43,343 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:15:43,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:43,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:43,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:43,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:43,501 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:15:43,507 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:15:43,509 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 [2019-11-15 22:15:43,515 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,515 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,515 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,515 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:43,525 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:15:43,526 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:15:43,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,555 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 [2019-11-15 22:15:43,556 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,556 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,556 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,556 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:43,559 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:15:43,559 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:15:43,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,582 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 [2019-11-15 22:15:43,583 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,583 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:43,584 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,584 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,584 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:43,585 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:15:43,586 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:43,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,605 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 [2019-11-15 22:15:43,606 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,606 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:43,607 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,607 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 22:15:43,607 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:43,608 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:15:43,608 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:43,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,627 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:15:43,628 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 [2019-11-15 22:15:43,630 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,631 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,631 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,631 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:43,638 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:15:43,638 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:15:43,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,644 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 [2019-11-15 22:15:43,645 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,645 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,648 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,648 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:43,661 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:15:43,661 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:15:43,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,679 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 [2019-11-15 22:15:43,681 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,681 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:43,681 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,681 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,682 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:43,684 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:15:43,684 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:43,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,718 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 [2019-11-15 22:15:43,719 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,720 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:43,720 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,721 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 22:15:43,721 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:43,723 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:15:43,724 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:43,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,744 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:15:43,745 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 [2019-11-15 22:15:43,746 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,746 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,747 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,747 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:15:43,751 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:15:43,751 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:15:43,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,770 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 [2019-11-15 22:15:43,772 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,773 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,773 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,775 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:15:43,778 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:15:43,779 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:15:43,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:43,802 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 [2019-11-15 22:15:43,804 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:43,805 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:43,805 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:43,806 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:43,806 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:15:43,808 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:15:43,809 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:43,837 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:15:43,867 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-15 22:15:43,867 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 22:15:43,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:15:43,870 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 22:15:43,870 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:15:43,871 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-11-15 22:15:43,879 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 22:15:43,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:15:43,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:15:43,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:15:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:15:43,962 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 22:15:43,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:15:44,265 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-11-15 22:15:44,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:44,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:15:44,451 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 [2019-11-15 22:15:44,453 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-11-15 22:15:44,616 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2019-11-15 22:15:44,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-15 22:15:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 22:15:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-15 22:15:44,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-15 22:15:44,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:15:44,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-15 22:15:44,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:15:44,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-15 22:15:44,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:15:44,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2019-11-15 22:15:44,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 22:15:44,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2019-11-15 22:15:44,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-15 22:15:44,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-15 22:15:44,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-15 22:15:44,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 22:15:44,644 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-15 22:15:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-15 22:15:44,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-15 22:15:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 22:15:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-15 22:15:44,671 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-15 22:15:44,672 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-15 22:15:44,672 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:15:44,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-15 22:15:44,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 22:15:44,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:15:44,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:15:44,673 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:15:44,674 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 22:15:44,677 INFO L791 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2019-11-15 22:15:44,677 INFO L793 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2019-11-15 22:15:44,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:44,677 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2019-11-15 22:15:44,677 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:15:44,678 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534752977] [2019-11-15 22:15:44,678 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:44,678 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:44,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:15:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:44,699 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:15:44,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:44,700 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2019-11-15 22:15:44,700 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:15:44,700 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265632174] [2019-11-15 22:15:44,701 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:44,701 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:44,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:15:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:44,711 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:15:44,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:44,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2019-11-15 22:15:44,712 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:15:44,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245051425] [2019-11-15 22:15:44,713 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:44,713 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:44,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:15:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:44,730 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:15:44,762 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:15:44,763 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:15:44,763 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:15:44,763 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:15:44,763 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:15:44,763 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:15:44,763 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:15:44,763 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:15:44,764 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-11-15 22:15:44,764 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:15:44,764 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:15:44,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:44,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:44,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:44,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:44,886 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:15:44,886 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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 [2019-11-15 22:15:44,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:15:44,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:15:44,910 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:15:44,910 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_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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) [2019-11-15 22:15:44,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:15:44,927 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 [2019-11-15 22:15:44,934 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:15:44,934 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 22:15:44,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:15:44,975 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:15:44,980 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:15:44,981 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_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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) [2019-11-15 22:15:45,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:15:45,005 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0a6be85-e87b-4cb3-a2ce-f952780f50f4/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) [2019-11-15 22:15:45,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:15:45,024 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:15:47,443 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:15:47,446 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:15:47,446 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:15:47,447 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:15:47,447 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:15:47,447 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:15:47,447 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:15:47,447 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:15:47,447 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:15:47,447 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2019-11-15 22:15:47,447 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:15:47,448 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:15:47,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:47,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:47,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:47,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:15:47,597 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:15:47,597 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:15:47,597 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 [2019-11-15 22:15:47,598 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,598 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,599 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,599 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:47,600 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:15:47,600 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:15:47,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,604 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 [2019-11-15 22:15:47,604 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,604 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:47,605 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,605 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 22:15:47,610 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:47,611 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:15:47,612 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:47,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,626 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 [2019-11-15 22:15:47,627 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,627 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:47,628 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,628 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,628 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:47,629 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:15:47,629 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:47,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,635 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 [2019-11-15 22:15:47,635 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,636 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,636 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,636 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:15:47,637 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:15:47,638 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:15:47,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,641 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 22:15:47,642 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 [2019-11-15 22:15:47,643 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,643 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,643 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,643 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:47,645 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:15:47,645 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:15:47,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,649 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 [2019-11-15 22:15:47,649 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,650 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:47,650 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,650 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 22:15:47,650 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:47,651 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:15:47,651 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:47,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,656 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 [2019-11-15 22:15:47,657 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,657 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:47,657 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,658 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,658 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:47,659 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 22:15:47,659 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:47,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,667 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 [2019-11-15 22:15:47,668 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,668 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,668 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,669 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 22:15:47,670 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 22:15:47,671 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 22:15:47,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,676 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 22:15:47,676 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 [2019-11-15 22:15:47,677 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,677 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,677 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,677 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:15:47,680 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 22:15:47,680 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:15:47,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,685 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 [2019-11-15 22:15:47,685 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,685 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:47,686 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,686 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 22:15:47,686 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:15:47,687 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-15 22:15:47,687 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:47,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:15:47,698 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 [2019-11-15 22:15:47,699 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:15:47,700 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:15:47,700 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:15:47,701 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:15:47,701 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 22:15:47,709 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:15:47,709 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:15:47,719 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:15:47,745 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-15 22:15:47,746 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-15 22:15:47,746 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:15:47,747 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 22:15:47,747 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:15:47,747 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-11-15 22:15:47,748 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 22:15:47,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:15:47,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:15:47,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:15:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:15:47,806 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 22:15:47,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:15:47,816 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:47,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:15:48,122 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2019-11-15 22:15:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:15:48,259 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 [2019-11-15 22:15:48,260 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-15 22:15:48,350 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2019-11-15 22:15:48,350 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 [2019-11-15 22:15:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 22:15:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-15 22:15:48,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-15 22:15:48,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:15:48,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-15 22:15:48,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:15:48,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-15 22:15:48,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:15:48,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-15 22:15:48,354 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:15:48,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-15 22:15:48,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 22:15:48,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 22:15:48,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 22:15:48,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:15:48,355 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:15:48,355 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:15:48,355 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:15:48,355 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 22:15:48,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:15:48,356 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:15:48,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 22:15:48,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:15:48 BoogieIcfgContainer [2019-11-15 22:15:48,364 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:15:48,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:15:48,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:15:48,365 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:15:48,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:42" (3/4) ... [2019-11-15 22:15:48,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:15:48,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:15:48,371 INFO L168 Benchmark]: Toolchain (without parser) took 6996.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 948.9 MB in the beginning and 871.9 MB in the end (delta: 77.1 MB). Peak memory consumption was 220.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:48,372 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 965.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:48,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:48,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:48,374 INFO L168 Benchmark]: Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:48,374 INFO L168 Benchmark]: RCFGBuilder took 274.06 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:48,375 INFO L168 Benchmark]: BuchiAutomizer took 6315.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.9 MB in the end (delta: 249.0 MB). Peak memory consumption was 249.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:48,376 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 1.2 GB. Free memory is still 871.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:48,379 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 965.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.82 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 22.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 274.06 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: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6315.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.9 MB in the end (delta: 249.0 MB). Peak memory consumption was 249.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.01 ms. Allocated memory is still 1.2 GB. Free memory is still 871.9 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...