./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddb977b9fea860f52c9087edc999243e3a2c7a92 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:16:20,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:16:20,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:16:20,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:16:20,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:16:20,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:16:20,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:16:20,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:16:20,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:16:20,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:16:20,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:16:20,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:16:20,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:16:20,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:16:20,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:16:20,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:16:20,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:16:20,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:16:20,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:16:20,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:16:20,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:16:20,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:16:20,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:16:20,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:16:20,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:16:20,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:16:20,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:16:20,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:16:20,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:16:20,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:16:20,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:16:20,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:16:20,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:16:20,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:16:20,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:16:20,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:16:20,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:16:20,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:16:20,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:16:20,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:16:20,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:16:20,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 14:16:20,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:16:20,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:16:20,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:16:20,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:16:20,344 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:16:20,344 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:16:20,344 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:16:20,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:16:20,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:16:20,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:16:20,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:16:20,346 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:16:20,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:16:20,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:16:20,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:16:20,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:16:20,346 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:16:20,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:16:20,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:16:20,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:16:20,347 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:16:20,348 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:16:20,348 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_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb977b9fea860f52c9087edc999243e3a2c7a92 [2019-12-07 14:16:20,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:16:20,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:16:20,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:16:20,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:16:20,457 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:16:20,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/PastaC9.c [2019-12-07 14:16:20,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/data/4003dc61e/1a09b90416b244dc99a69b7c4bf53ea3/FLAGc7b7dbee2 [2019-12-07 14:16:20,912 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:16:20,913 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2019-12-07 14:16:20,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/data/4003dc61e/1a09b90416b244dc99a69b7c4bf53ea3/FLAGc7b7dbee2 [2019-12-07 14:16:20,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/data/4003dc61e/1a09b90416b244dc99a69b7c4bf53ea3 [2019-12-07 14:16:20,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:16:20,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:16:20,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:20,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:16:20,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:16:20,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:20" (1/1) ... [2019-12-07 14:16:20,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431cfabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:20, skipping insertion in model container [2019-12-07 14:16:20,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:20" (1/1) ... [2019-12-07 14:16:20,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:16:20,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:21,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:21,043 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:16:21,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:21,095 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:16:21,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21 WrapperNode [2019-12-07 14:16:21,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:21,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:21,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:16:21,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:16:21,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:21,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:16:21,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:16:21,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:16:21,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... [2019-12-07 14:16:21,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:16:21,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:16:21,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:16:21,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:16:21,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:16:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:16:21,266 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:16:21,266 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 14:16:21,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:21 BoogieIcfgContainer [2019-12-07 14:16:21,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:16:21,268 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:16:21,268 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:16:21,270 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:16:21,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:16:21,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:16:20" (1/3) ... [2019-12-07 14:16:21,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308e5f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:16:21, skipping insertion in model container [2019-12-07 14:16:21,271 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:16:21,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:21" (2/3) ... [2019-12-07 14:16:21,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@308e5f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:16:21, skipping insertion in model container [2019-12-07 14:16:21,272 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:16:21,272 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:21" (3/3) ... [2019-12-07 14:16:21,273 INFO L371 chiAutomizerObserver]: Analyzing ICFG PastaC9.c [2019-12-07 14:16:21,300 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:16:21,300 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:16:21,301 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:16:21,301 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:16:21,301 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:16:21,301 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:16:21,301 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:16:21,301 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:16:21,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 14:16:21,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:16:21,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:21,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:21,326 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 14:16:21,326 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:16:21,326 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:16:21,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 14:16:21,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:16:21,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:21,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:21,327 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 14:16:21,327 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:16:21,332 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L14-2true [2019-12-07 14:16:21,332 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 9#L14true assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 5#L14-2true [2019-12-07 14:16:21,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:21,336 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 14:16:21,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:21,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722924443] [2019-12-07 14:16:21,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,404 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:21,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:21,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-12-07 14:16:21,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:21,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979459485] [2019-12-07 14:16:21,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,416 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:21,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:21,417 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-12-07 14:16:21,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:21,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039605711] [2019-12-07 14:16:21,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:21,483 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:16:21,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:16:21,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:16:21,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:16:21,484 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 14:16:21,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:16:21,484 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:16:21,484 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2019-12-07 14:16:21,484 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:16:21,484 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:16:21,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,598 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:16:21,598 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,614 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 14:16:21,614 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,622 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 14:16:21,623 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_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,630 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 14:16:21,630 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=41} Honda state: {ULTIMATE.start_main_#t~nondet2=41} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,633 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 14:16:21,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,646 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 14:16:21,646 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:16:21,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:16:21,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:16:21,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:16:21,647 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:16:21,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,647 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:16:21,647 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:16:21,647 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2019-12-07 14:16:21,647 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:16:21,647 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:16:21,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,710 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:16:21,714 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:21,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:21,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:21,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:21,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:21,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:16:21,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:16:21,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:21,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:21,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:21,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:21,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:21,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:16:21,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:16:21,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:21,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:21,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:16:21,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:21,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:21,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:21,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:16:21,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:16:21,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:21,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:21,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:16:21,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:21,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:21,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:21,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:16:21,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:16:21,757 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:16:21,760 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 14:16:21,760 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,764 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:16:21,764 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 14:16:21,764 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:16:21,765 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-12-07 14:16:21,768 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 14:16:21,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:21,789 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:16:21,790 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:21,796 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:16:21,797 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:21,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:16:21,816 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:16:21,817 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-12-07 14:16:21,846 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 28 states and 35 transitions. Complement of second has 7 states. [2019-12-07 14:16:21,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 14:16:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:16:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-12-07 14:16:21,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2019-12-07 14:16:21,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:21,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 14:16:21,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:21,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 4 letters. [2019-12-07 14:16:21,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:21,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2019-12-07 14:16:21,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:16:21,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 8 states and 11 transitions. [2019-12-07 14:16:21,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-12-07 14:16:21,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-12-07 14:16:21,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-12-07 14:16:21,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:16:21,856 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-12-07 14:16:21,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-12-07 14:16:21,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-12-07 14:16:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 14:16:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-12-07 14:16:21,872 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 14:16:21,872 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 14:16:21,872 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:16:21,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-12-07 14:16:21,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:16:21,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:21,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:21,873 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 14:16:21,873 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:16:21,873 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 72#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2019-12-07 14:16:21,873 INFO L796 eck$LassoCheckResult]: Loop: 74#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 73#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 74#L14 [2019-12-07 14:16:21,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:21,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 14:16:21,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:21,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500614470] [2019-12-07 14:16:21,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,879 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:21,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:21,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2019-12-07 14:16:21,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:21,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586941715] [2019-12-07 14:16:21,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,886 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:21,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:21,887 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2019-12-07 14:16:21,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:21,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943905430] [2019-12-07 14:16:21,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:21,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:21,908 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:16:21,908 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:16:21,908 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:16:21,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:16:21,909 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 14:16:21,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:16:21,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:16:21,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2019-12-07 14:16:21,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:16:21,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:16:21,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:21,965 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:16:21,965 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,973 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 14:16:21,973 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_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,983 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 14:16:21,983 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Honda state: {ULTIMATE.start_main_~random~0=56, ULTIMATE.start_main_#t~nondet2=56} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,991 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 14:16:21,991 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_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:21,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:21,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:21,998 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 14:16:21,998 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:22,002 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 14:16:22,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:22,068 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 14:16:22,069 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:16:22,069 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:16:22,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:16:22,070 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:16:22,070 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:16:22,070 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,070 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:16:22,070 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:16:22,070 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2019-12-07 14:16:22,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:16:22,070 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:16:22,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,124 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:16:22,124 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:22,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:22,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:22,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:22,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:22,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:16:22,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:16:22,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:22,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:22,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:16:22,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:22,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:22,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:22,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:16:22,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:16:22,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:22,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:22,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:22,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:22,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:22,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:16:22,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:16:22,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:22,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:22,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:16:22,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:22,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:22,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:22,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:16:22,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:16:22,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:22,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:22,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:16:22,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:22,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:22,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:22,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:16:22,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:16:22,167 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:16:22,170 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 14:16:22,170 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:16:22,172 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 14:16:22,173 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:16:22,173 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-12-07 14:16:22,174 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 14:16:22,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,187 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,187 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,190 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,191 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:16:22,202 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:16:22,202 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 14:16:22,214 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 14 states and 19 transitions. Complement of second has 5 states. [2019-12-07 14:16:22,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 14:16:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:16:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 14:16:22,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 14:16:22,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 14:16:22,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 14:16:22,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2019-12-07 14:16:22,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:16:22,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 12 transitions. [2019-12-07 14:16:22,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-12-07 14:16:22,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-12-07 14:16:22,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2019-12-07 14:16:22,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 14:16:22,217 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2019-12-07 14:16:22,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2019-12-07 14:16:22,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2019-12-07 14:16:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 14:16:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-12-07 14:16:22,218 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-12-07 14:16:22,218 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-12-07 14:16:22,218 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 14:16:22,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2019-12-07 14:16:22,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 14:16:22,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:16:22,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:16:22,219 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2019-12-07 14:16:22,219 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:16:22,219 INFO L794 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~random~0;havoc main_~x~0;havoc main_~y~0;havoc main_~random~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 126#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 127#L14 assume main_~random~0 < 42;main_~x~0 := main_~x~0 - 1;main_~random~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_~random~0; 131#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2019-12-07 14:16:22,219 INFO L796 eck$LassoCheckResult]: Loop: 129#L14 assume !(main_~random~0 < 42);main_~y~0 := main_~y~0 - 1; 130#L14-2 assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~random~0 := main_#t~nondet2;havoc main_#t~nondet2; 129#L14 [2019-12-07 14:16:22,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:22,220 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2019-12-07 14:16:22,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:22,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194382672] [2019-12-07 14:16:22,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:22,228 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:22,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:22,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2019-12-07 14:16:22,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:22,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485154523] [2019-12-07 14:16:22,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:22,234 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:22,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:22,234 INFO L82 PathProgramCache]: Analyzing trace with hash 925765410, now seen corresponding path program 1 times [2019-12-07 14:16:22,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:22,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964597459] [2019-12-07 14:16:22,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:22,244 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:22,259 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:16:22,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:16:22,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:16:22,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:16:22,259 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 14:16:22,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:16:22,260 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:16:22,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2019-12-07 14:16:22,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:16:22,260 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:16:22,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,309 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:16:22,309 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 14:16:22,312 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 14:16:22,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 14:16:22,370 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 14:16:22,371 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:16:22,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:16:22,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:16:22,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:16:22,371 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:16:22,371 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:16:22,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:16:22,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2019-12-07 14:16:22,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:16:22,371 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:16:22,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:16:22,414 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:16:22,414 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:16:22,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:16:22,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:16:22,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:16:22,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:16:22,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:16:22,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:16:22,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:16:22,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:16:22,423 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 14:16:22,423 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05116204-649c-4a9d-8cde-a8a642aa782e/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:16:22,426 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:16:22,426 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 14:16:22,426 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:16:22,426 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-12-07 14:16:22,427 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 14:16:22,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,440 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,440 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,443 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,443 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:16:22,449 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:16:22,449 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-12-07 14:16:22,460 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2019-12-07 14:16:22,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 14:16:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:16:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 14:16:22,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 14:16:22,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,461 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 14:16:22,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,475 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,475 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,479 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,479 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:16:22,485 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:16:22,485 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-12-07 14:16:22,495 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 5 states. [2019-12-07 14:16:22,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 14:16:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:16:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 14:16:22,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 14:16:22,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,496 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 14:16:22,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,508 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,508 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:22,511 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:16:22,511 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:16:22,516 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:16:22,516 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-12-07 14:16:22,527 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 10 states and 13 transitions. Complement of second has 4 states. [2019-12-07 14:16:22,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 14:16:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:16:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-12-07 14:16:22,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 14:16:22,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 14:16:22,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 14:16:22,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:16:22,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2019-12-07 14:16:22,529 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:16:22,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2019-12-07 14:16:22,529 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 14:16:22,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 14:16:22,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 14:16:22,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:16:22,529 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:16:22,529 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:16:22,529 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:16:22,529 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 14:16:22,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:16:22,530 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:16:22,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 14:16:22,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:16:22 BoogieIcfgContainer [2019-12-07 14:16:22,534 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:16:22,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:16:22,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:16:22,534 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:16:22,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:21" (3/4) ... [2019-12-07 14:16:22,537 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:16:22,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:16:22,538 INFO L168 Benchmark]: Toolchain (without parser) took 1610.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -93.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:22,539 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:22,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:22,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:22,540 INFO L168 Benchmark]: Boogie Preprocessor took 11.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:22,540 INFO L168 Benchmark]: RCFGBuilder took 137.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:22,540 INFO L168 Benchmark]: BuchiAutomizer took 1266.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:22,541 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:22,543 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 137.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1266.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 18 SDslu, 10 SDs, 0 SdLazy, 32 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf97 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf92 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...