./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/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 a269e8b2c2a55ee83f0497e8cbfb0a6499d0714f ....................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:10:16,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:10:16,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:10:16,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:10:16,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:10:16,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:10:16,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:10:16,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:10:16,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:10:16,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:10:16,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:10:16,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:10:16,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:10:16,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:10:16,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:10:16,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:10:16,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:10:16,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:10:16,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:10:16,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:10:16,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:10:16,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:10:16,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:10:16,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:10:16,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:10:16,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:10:16,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:10:16,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:10:16,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:10:16,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:10:16,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:10:16,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:10:16,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:10:16,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:10:16,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:10:16,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:10:16,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:10:16,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:10:16,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:10:16,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:10:16,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:10:16,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:10:16,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:10:16,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:10:16,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:10:16,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:10:16,784 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:10:16,785 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:10:16,785 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:10:16,785 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:10:16,785 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:10:16,786 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:10:16,786 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:10:16,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:10:16,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:10:16,787 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:10:16,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:10:16,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:10:16,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:10:16,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:10:16,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:10:16,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:10:16,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:10:16,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:10:16,789 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:10:16,790 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:10:16,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:10:16,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:10:16,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:10:16,791 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:10:16,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:10:16,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:10:16,792 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:10:16,793 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:10:16,793 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_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/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 -> a269e8b2c2a55ee83f0497e8cbfb0a6499d0714f [2019-11-15 22:10:16,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:10:16,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:10:16,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:10:16,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:10:16,835 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:10:16,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_03-2.i [2019-11-15 22:10:16,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/data/6cfeddef7/43957db1332b4967931d32cde0830be0/FLAGd3ba3ecf1 [2019-11-15 22:10:17,276 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:10:17,277 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/sv-benchmarks/c/loops/terminator_03-2.i [2019-11-15 22:10:17,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/data/6cfeddef7/43957db1332b4967931d32cde0830be0/FLAGd3ba3ecf1 [2019-11-15 22:10:17,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/data/6cfeddef7/43957db1332b4967931d32cde0830be0 [2019-11-15 22:10:17,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:10:17,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:10:17,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:10:17,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:10:17,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:10:17,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d1403c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17, skipping insertion in model container [2019-11-15 22:10:17,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,636 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:10:17,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:10:17,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:10:17,783 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:10:17,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:10:17,883 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:10:17,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17 WrapperNode [2019-11-15 22:10:17,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:10:17,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:10:17,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:10:17,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:10:17,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:10:17,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:10:17,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:10:17,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:10:17,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... [2019-11-15 22:10:17,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:10:17,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:10:17,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:10:17,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:10:17,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:10:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:10:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:10:18,189 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:10:18,190 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 22:10:18,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:10:18 BoogieIcfgContainer [2019-11-15 22:10:18,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:10:18,192 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:10:18,192 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:10:18,195 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:10:18,196 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:10:18,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:10:17" (1/3) ... [2019-11-15 22:10:18,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@be8be9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:10:18, skipping insertion in model container [2019-11-15 22:10:18,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:10:18,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:10:17" (2/3) ... [2019-11-15 22:10:18,199 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@be8be9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:10:18, skipping insertion in model container [2019-11-15 22:10:18,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:10:18,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:10:18" (3/3) ... [2019-11-15 22:10:18,201 INFO L371 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2019-11-15 22:10:18,267 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:10:18,267 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:10:18,268 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:10:18,268 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:10:18,268 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:10:18,268 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:10:18,268 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:10:18,268 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:10:18,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 22:10:18,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 22:10:18,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:10:18,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:10:18,306 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-15 22:10:18,306 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 22:10:18,306 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:10:18,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 22:10:18,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 22:10:18,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:10:18,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:10:18,308 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-15 22:10:18,308 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 22:10:18,316 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 10#L14true assume !!(main_~y~0 <= 1000000); 3#L15true assume main_~y~0 > 0; 11#L16-2true [2019-11-15 22:10:18,316 INFO L793 eck$LassoCheckResult]: Loop: 11#L16-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 11#L16-2true [2019-11-15 22:10:18,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:10:18,322 INFO L82 PathProgramCache]: Analyzing trace with hash 30947, now seen corresponding path program 1 times [2019-11-15 22:10:18,330 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:10:18,330 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118312447] [2019-11-15 22:10:18,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:10:18,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:10:18,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:10:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:10:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:10:18,410 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:10:18,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:10:18,411 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2019-11-15 22:10:18,411 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:10:18,411 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400026951] [2019-11-15 22:10:18,412 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:10:18,412 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:10:18,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:10:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:10:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:10:18,422 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:10:18,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:10:18,423 INFO L82 PathProgramCache]: Analyzing trace with hash 959375, now seen corresponding path program 1 times [2019-11-15 22:10:18,423 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:10:18,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098202468] [2019-11-15 22:10:18,424 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:10:18,424 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:10:18,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:10:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:10:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:10:18,437 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:10:18,541 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:10:18,542 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:10:18,542 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:10:18,542 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:10:18,542 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:10:18,542 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:10:18,543 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:10:18,543 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:10:18,543 INFO L131 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2019-11-15 22:10:18,543 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:10:18,543 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:10:18,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,678 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:10:18,678 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:10:18,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:10:18,685 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:10:18,692 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:10:18,692 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_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:10:18,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:10:18,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:10:18,701 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:10:18,701 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_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 22:10:18,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:10:18,721 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_28c897d1-5db0-4a1b-aa0a-d6aa81664df9/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 22:10:18,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:10:18,741 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:10:18,752 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:10:18,755 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:10:18,755 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:10:18,755 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:10:18,755 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:10:18,755 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:10:18,756 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:10:18,756 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:10:18,756 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:10:18,756 INFO L131 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2019-11-15 22:10:18,756 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:10:18,757 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:10:18,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:10:18,845 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:10:18,852 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:10:18,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 22:10:18,857 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:10:18,858 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:10:18,858 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:10:18,859 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:10:18,859 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:10:18,863 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:10:18,863 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:10:18,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:10:18,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 22:10:18,868 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:10:18,868 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:10:18,869 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:10:18,869 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:10:18,869 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:10:18,870 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:10:18,877 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:10:18,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:10:18,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 22:10:18,879 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:10:18,880 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:10:18,880 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:10:18,880 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:10:18,884 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:10:18,884 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:10:18,934 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:10:18,964 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 22:10:18,967 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 22:10:18,969 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:10:18,973 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-15 22:10:18,974 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:10:18,975 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] [2019-11-15 22:10:18,981 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-15 22:10:19,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:10:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:10:19,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 22:10:19,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:10:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:10:19,067 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 22:10:19,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:10:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:10:19,084 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 [2019-11-15 22:10:19,085 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2019-11-15 22:10:19,160 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 34 states and 41 transitions. Complement of second has 5 states. [2019-11-15 22:10:19,162 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 [2019-11-15 22:10:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-15 22:10:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2019-11-15 22:10:19,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-15 22:10:19,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:10:19,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 4 letters. Loop has 1 letters. [2019-11-15 22:10:19,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:10:19,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-15 22:10:19,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:10:19,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2019-11-15 22:10:19,172 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:10:19,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2019-11-15 22:10:19,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 22:10:19,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 22:10:19,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 22:10:19,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:10:19,179 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:10:19,179 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:10:19,179 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:10:19,179 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:10:19,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:10:19,180 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:10:19,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 22:10:19,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:10:19 BoogieIcfgContainer [2019-11-15 22:10:19,188 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:10:19,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:10:19,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:10:19,189 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:10:19,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:10:18" (3/4) ... [2019-11-15 22:10:19,198 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:10:19,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:10:19,200 INFO L168 Benchmark]: Toolchain (without parser) took 1578.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -101.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:19,201 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-15 22:10:19,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:19,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:10:19,203 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:10:19,203 INFO L168 Benchmark]: RCFGBuilder took 252.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:19,204 INFO L168 Benchmark]: BuchiAutomizer took 996.99 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: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:10:19,204 INFO L168 Benchmark]: Witness Printer took 9.48 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. [2019-11-15 22:10:19,207 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 263.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 252.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 996.99 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: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. * Witness Printer took 9.48 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 0.6s. 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: 16 SDtfs, 17 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: inital16 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 95ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...