./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 0.1.24-6b5699a [2019-11-25 08:57:23,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:23,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:23,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:23,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:23,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:23,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:23,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:23,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:23,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:23,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:23,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:23,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:23,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:23,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:23,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:23,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:23,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:23,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:23,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:23,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:23,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:23,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:23,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:23,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:23,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:23,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:23,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:23,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:23,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:23,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:23,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:23,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:23,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:23,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:23,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:23,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:23,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:23,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:23,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:23,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:23,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:57:23,209 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:23,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:23,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:23,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:23,222 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:23,222 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:57:23,223 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:57:23,223 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:57:23,223 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:57:23,223 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:57:23,224 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:57:23,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:23,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:23,224 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:57:23,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:23,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:23,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:23,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:57:23,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:57:23,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:57:23,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:23,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:23,227 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:57:23,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:23,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:57:23,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:23,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:23,229 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:57:23,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:23,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:23,230 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:57:23,231 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:57:23,231 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_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:23,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:23,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:23,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:23,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:23,451 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:23,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_03-1.c [2019-11-25 08:57:23,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/data/dfe60168b/23a502307f1a42a9acc00d8fd88e6eb3/FLAGff1a211eb [2019-11-25 08:57:23,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:23,933 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/sv-benchmarks/c/loops/terminator_03-1.c [2019-11-25 08:57:23,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/data/dfe60168b/23a502307f1a42a9acc00d8fd88e6eb3/FLAGff1a211eb [2019-11-25 08:57:24,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/data/dfe60168b/23a502307f1a42a9acc00d8fd88e6eb3 [2019-11-25 08:57:24,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:24,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:24,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:24,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:24,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:24,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dec846e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24, skipping insertion in model container [2019-11-25 08:57:24,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:24,395 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:24,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:24,627 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:24,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:24,742 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:24,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24 WrapperNode [2019-11-25 08:57:24,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:24,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:24,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:24,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:24,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:24,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:24,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:24,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:24,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... [2019-11-25 08:57:24,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:24,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:24,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:24,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:24,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:25,064 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:25,064 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:57:25,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:25 BoogieIcfgContainer [2019-11-25 08:57:25,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:25,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:57:25,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:57:25,070 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:57:25,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:25,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:57:24" (1/3) ... [2019-11-25 08:57:25,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7585d1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:25, skipping insertion in model container [2019-11-25 08:57:25,072 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:25,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:24" (2/3) ... [2019-11-25 08:57:25,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7585d1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:25, skipping insertion in model container [2019-11-25 08:57:25,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:25,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:25" (3/3) ... [2019-11-25 08:57:25,075 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_03-1.c [2019-11-25 08:57:25,147 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:57:25,147 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:57:25,147 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:57:25,148 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:25,148 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:25,148 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:57:25,148 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:25,149 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:57:25,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-25 08:57:25,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:57:25,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:25,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:25,198 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:57:25,198 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:57:25,198 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:57:25,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-25 08:57:25,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:57:25,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:25,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:25,200 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:57:25,200 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:57:25,206 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L16true assume main_~y~0 > 0; 7#L18-2true [2019-11-25 08:57:25,206 INFO L796 eck$LassoCheckResult]: Loop: 7#L18-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 7#L18-2true [2019-11-25 08:57:25,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:25,213 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-11-25 08:57:25,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:25,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345177763] [2019-11-25 08:57:25,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,308 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:25,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:25,309 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2019-11-25 08:57:25,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:25,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605924039] [2019-11-25 08:57:25,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,320 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:25,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:25,322 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2019-11-25 08:57:25,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:25,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292156302] [2019-11-25 08:57:25,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:25,523 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:25,524 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:25,524 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:25,524 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:25,525 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:57:25,525 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:25,525 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:25,525 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:25,525 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-1.c_Iteration1_Lasso [2019-11-25 08:57:25,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:25,526 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:25,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:25,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:25,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:25,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:25,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:25,710 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:25,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:25,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:25,731 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:25,731 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_93c781b2-288c-4866-afd6-873c64cd048d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:25,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:25,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:25,742 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:25,743 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_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:25,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:25,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:25,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:25,756 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_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:25,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:25,778 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:25,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:25,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:25,972 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:57:25,974 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:25,975 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:25,975 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:25,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:25,975 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:57:25,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:25,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:25,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:25,976 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-1.c_Iteration1_Lasso [2019-11-25 08:57:25,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:25,976 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:25,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:25,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:25,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:25,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:26,055 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:26,060 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:26,066 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 [2019-11-25 08:57:26,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:26,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:26,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:26,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:26,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:26,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:26,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:57:26,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:26,080 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 [2019-11-25 08:57:26,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:26,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:26,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:26,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:26,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:26,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:26,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:57:26,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:26,101 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 [2019-11-25 08:57:26,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:26,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:26,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:26,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:26,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:26,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:26,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:57:26,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:26,120 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 [2019-11-25 08:57:26,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:26,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:26,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:26,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:26,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:57:26,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:57:26,142 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:57:26,155 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-25 08:57:26,155 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_93c781b2-288c-4866-afd6-873c64cd048d/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 [2019-11-25 08:57:26,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:57:26,166 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:57:26,166 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:57:26,166 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] [2019-11-25 08:57:26,176 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-25 08:57:26,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:26,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:57:26,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:26,310 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:57:26,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:26,327 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 [2019-11-25 08:57:26,328 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 2 states. [2019-11-25 08:57:26,440 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. [2019-11-25 08:57:26,442 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 [2019-11-25 08:57:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-25 08:57:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-25 08:57:26,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-25 08:57:26,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:26,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-25 08:57:26,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:26,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-25 08:57:26,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:26,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2019-11-25 08:57:26,456 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:26,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-25 08:57:26,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:57:26,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:57:26,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:57:26,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:57:26,460 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:26,460 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:26,461 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:26,461 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:57:26,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:57:26,461 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:26,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:57:26,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:57:26 BoogieIcfgContainer [2019-11-25 08:57:26,469 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:57:26,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:26,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:26,471 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:26,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:25" (3/4) ... [2019-11-25 08:57:26,475 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:57:26,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:26,480 INFO L168 Benchmark]: Toolchain (without parser) took 2122.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:26,480 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-25 08:57:26,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -227.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:26,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.46 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. [2019-11-25 08:57:26,482 INFO L168 Benchmark]: Boogie Preprocessor took 25.63 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. [2019-11-25 08:57:26,482 INFO L168 Benchmark]: RCFGBuilder took 249.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:26,483 INFO L168 Benchmark]: BuchiAutomizer took 1403.22 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: 97.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:26,483 INFO L168 Benchmark]: Witness Printer took 4.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:26,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 389.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -227.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.46 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 25.63 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 249.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1403.22 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: 97.1 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 56ms 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...