./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99b8f1cc5bec62c63bdabd96b82a49433aa34505 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:44:58,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:44:58,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:44:58,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:44:58,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:44:58,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:44:58,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:44:58,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:44:58,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:44:58,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:44:58,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:44:58,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:44:58,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:44:58,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:44:58,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:44:58,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:44:58,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:44:58,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:44:58,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:44:58,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:44:58,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:44:58,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:44:58,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:44:58,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:44:58,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:44:58,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:44:58,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:44:58,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:44:58,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:44:58,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:44:58,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:44:58,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:44:58,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:44:58,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:44:58,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:44:58,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:44:58,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:44:58,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:44:58,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:44:58,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:44:58,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:44:58,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:44:58,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:44:58,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:44:58,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:44:58,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:44:58,210 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:44:58,210 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:44:58,210 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:44:58,210 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:44:58,210 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:44:58,211 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:44:58,211 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:44:58,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:44:58,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:44:58,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:44:58,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:44:58,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:44:58,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:44:58,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:44:58,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:44:58,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:44:58,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:44:58,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:44:58,213 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:44:58,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:44:58,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:44:58,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:44:58,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:44:58,214 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:44:58,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:44:58,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:44:58,214 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:44:58,215 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:44:58,215 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_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99b8f1cc5bec62c63bdabd96b82a49433aa34505 [2019-11-20 01:44:58,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:44:58,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:44:58,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:44:58,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:44:58,387 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:44:58,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_03-1.c [2019-11-20 01:44:58,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/data/4f5e71076/31e544dc87e24b949c1bae63f7022838/FLAG655db5896 [2019-11-20 01:44:58,857 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:44:58,858 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/sv-benchmarks/c/loops/terminator_03-1.c [2019-11-20 01:44:58,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/data/4f5e71076/31e544dc87e24b949c1bae63f7022838/FLAG655db5896 [2019-11-20 01:44:58,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/data/4f5e71076/31e544dc87e24b949c1bae63f7022838 [2019-11-20 01:44:58,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:44:58,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:44:58,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:44:58,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:44:58,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:44:58,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:44:58" (1/1) ... [2019-11-20 01:44:58,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b304a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:58, skipping insertion in model container [2019-11-20 01:44:58,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:44:58" (1/1) ... [2019-11-20 01:44:58,904 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:44:58,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:44:59,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:44:59,051 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:44:59,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:44:59,134 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:44:59,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59 WrapperNode [2019-11-20 01:44:59,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:44:59,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:44:59,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:44:59,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:44:59,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:44:59,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:44:59,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:44:59,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:44:59,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... [2019-11-20 01:44:59,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:44:59,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:44:59,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:44:59,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:44:59,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:44:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:44:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:44:59,415 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:44:59,416 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 01:44:59,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:44:59 BoogieIcfgContainer [2019-11-20 01:44:59,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:44:59,417 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:44:59,418 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:44:59,421 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:44:59,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:44:59,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:44:58" (1/3) ... [2019-11-20 01:44:59,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67879173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:44:59, skipping insertion in model container [2019-11-20 01:44:59,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:44:59,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:59" (2/3) ... [2019-11-20 01:44:59,425 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67879173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:44:59, skipping insertion in model container [2019-11-20 01:44:59,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:44:59,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:44:59" (3/3) ... [2019-11-20 01:44:59,427 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_03-1.c [2019-11-20 01:44:59,485 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:44:59,486 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:44:59,486 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:44:59,486 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:44:59,486 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:44:59,486 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:44:59,487 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:44:59,487 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:44:59,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-20 01:44:59,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 01:44:59,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:44:59,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:44:59,525 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 01:44:59,525 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 01:44:59,525 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:44:59,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-20 01:44:59,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 01:44:59,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:44:59,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:44:59,527 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 01:44:59,528 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 01:44:59,534 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L16true assume main_~y~0 > 0; 7#L18-2true [2019-11-20 01:44:59,534 INFO L796 eck$LassoCheckResult]: Loop: 7#L18-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 7#L18-2true [2019-11-20 01:44:59,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:44:59,538 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-11-20 01:44:59,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:44:59,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504526123] [2019-11-20 01:44:59,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:44:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:44:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:44:59,625 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:44:59,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:44:59,626 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2019-11-20 01:44:59,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:44:59,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386146295] [2019-11-20 01:44:59,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:44:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:44:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:44:59,636 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:44:59,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:44:59,637 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2019-11-20 01:44:59,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:44:59,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482531121] [2019-11-20 01:44:59,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:44:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:44:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:44:59,649 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:44:59,719 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:44:59,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:44:59,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:44:59,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:44:59,721 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 01:44:59,721 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:44:59,721 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:44:59,721 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:44:59,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-1.c_Iteration1_Lasso [2019-11-20 01:44:59,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:44:59,722 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:44:59,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:44:59,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:44:59,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:44:59,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:44:59,816 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:44:59,817 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:44:59,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:44:59,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:44:59,845 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:44:59,846 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:44:59,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:44:59,858 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:44:59,865 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:44:59,866 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:44:59,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:44:59,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:44:59,897 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:44:59,897 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:44:59,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:44:59,916 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:44:59,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 01:44:59,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:45:00,086 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 01:45:00,088 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:45:00,088 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:45:00,088 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:45:00,088 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:45:00,088 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:45:00,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:45:00,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:45:00,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:45:00,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-1.c_Iteration1_Lasso [2019-11-20 01:45:00,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:45:00,089 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:45:00,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:45:00,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:45:00,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:45:00,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:45:00,164 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:45:00,168 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/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 [2019-11-20 01:45:00,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:45:00,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:45:00,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:45:00,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:45:00,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:45:00,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:45:00,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:45:00,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:45:00,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:45:00,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:45:00,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:45:00,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:45:00,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:45:00,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:45:00,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:45:00,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:45:00,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:45:00,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:45:00,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:45:00,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:45:00,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:45:00,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:45:00,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:45:00,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:45:00,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:45:00,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:45:00,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:45:00,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:45:00,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:45:00,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:45:00,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:45:00,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:45:00,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:45:00,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:45:00,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:45:00,244 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 01:45:00,244 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3265c077-fe48-40ee-8ca4-edd5cb0db2be/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:45:00,249 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 01:45:00,253 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 01:45:00,253 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:45:00,254 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2019-11-20 01:45:00,260 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 01:45:00,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:45:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:45:00,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:45:00,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:45:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:45:00,352 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 01:45:00,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:45:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:45:00,366 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-20 01:45:00,367 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 2 states. [2019-11-20 01:45:00,435 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 2 states. Result 33 states and 39 transitions. Complement of second has 5 states. [2019-11-20 01:45:00,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 01:45:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-20 01:45:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-20 01:45:00,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-20 01:45:00,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:45:00,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-20 01:45:00,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:45:00,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-20 01:45:00,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:45:00,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2019-11-20 01:45:00,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:45:00,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-20 01:45:00,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:45:00,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:45:00,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:45:00,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:45:00,450 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:45:00,450 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:45:00,450 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:45:00,451 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:45:00,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:45:00,451 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:45:00,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 01:45:00,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:45:00 BoogieIcfgContainer [2019-11-20 01:45:00,457 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:45:00,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:45:00,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:45:00,457 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:45:00,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:44:59" (3/4) ... [2019-11-20 01:45:00,461 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:45:00,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:45:00,464 INFO L168 Benchmark]: Toolchain (without parser) took 1580.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -78.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:45:00,464 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:45:00,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:45:00,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:45:00,467 INFO L168 Benchmark]: Boogie Preprocessor took 15.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:45:00,467 INFO L168 Benchmark]: RCFGBuilder took 236.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:45:00,469 INFO L168 Benchmark]: BuchiAutomizer took 1039.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:45:00,471 INFO L168 Benchmark]: Witness Printer took 4.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:45:00,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 236.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1039.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.28 ms. Allocated memory is still 1.2 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 199 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 15 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie123 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...