./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum01_bug02.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/sum01_bug02.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c5465a084053aead702161d951dd339bfa1665d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:16:47,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:16:47,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:16:47,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:16:47,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:16:47,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:16:47,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:16:47,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:16:47,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:16:47,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:16:47,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:16:47,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:16:47,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:16:47,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:16:47,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:16:47,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:16:47,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:16:47,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:16:47,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:16:47,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:16:47,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:16:47,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:16:47,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:16:47,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:16:47,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:16:47,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:16:47,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:16:47,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:16:47,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:16:47,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:16:47,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:16:47,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:16:47,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:16:47,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:16:47,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:16:47,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:16:47,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:16:47,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:16:47,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:16:47,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:16:47,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:16:47,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:16:47,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:16:47,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:16:47,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:16:47,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:16:47,796 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:16:47,796 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:16:47,796 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:16:47,796 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:16:47,797 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:16:47,797 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:16:47,797 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:16:47,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:16:47,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:16:47,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:16:47,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:16:47,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:16:47,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:16:47,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:16:47,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:16:47,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:16:47,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:16:47,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:16:47,802 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:16:47,802 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:16:47,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:16:47,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:16:47,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:16:47,805 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:16:47,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:16:47,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:16:47,806 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:16:47,807 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:16:47,807 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> c5465a084053aead702161d951dd339bfa1665d5 [2019-11-28 03:16:48,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:16:48,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:16:48,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:16:48,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:16:48,170 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:16:48,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01_bug02.i [2019-11-28 03:16:48,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff06a8645/70b45f1ae2694aa792e80f6dcb2f5153/FLAGd155a5bbf [2019-11-28 03:16:48,703 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:16:48,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02.i [2019-11-28 03:16:48,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff06a8645/70b45f1ae2694aa792e80f6dcb2f5153/FLAGd155a5bbf [2019-11-28 03:16:49,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff06a8645/70b45f1ae2694aa792e80f6dcb2f5153 [2019-11-28 03:16:49,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:16:49,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:16:49,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:16:49,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:16:49,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:16:49,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c48454f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49, skipping insertion in model container [2019-11-28 03:16:49,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:16:49,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:16:49,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:16:49,308 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:16:49,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:16:49,339 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:16:49,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49 WrapperNode [2019-11-28 03:16:49,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:16:49,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:16:49,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:16:49,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:16:49,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:16:49,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:16:49,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:16:49,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:16:49,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... [2019-11-28 03:16:49,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:16:49,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:16:49,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:16:49,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:16:49,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:16:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:16:49,681 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:16:49,681 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:16:49,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:49 BoogieIcfgContainer [2019-11-28 03:16:49,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:16:49,683 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:16:49,683 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:16:49,686 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:16:49,686 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:16:49,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:16:49" (1/3) ... [2019-11-28 03:16:49,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53d463ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:16:49, skipping insertion in model container [2019-11-28 03:16:49,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:16:49,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49" (2/3) ... [2019-11-28 03:16:49,688 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53d463ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:16:49, skipping insertion in model container [2019-11-28 03:16:49,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:16:49,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:49" (3/3) ... [2019-11-28 03:16:49,690 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum01_bug02.i [2019-11-28 03:16:49,738 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:16:49,738 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:16:49,739 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:16:49,739 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:16:49,739 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:16:49,739 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:16:49,740 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:16:49,740 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:16:49,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:16:49,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:16:49,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:16:49,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:16:49,795 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 03:16:49,795 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:16:49,796 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:16:49,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 03:16:49,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:16:49,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:16:49,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:16:49,799 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 03:16:49,799 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:16:49,811 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-11-28 03:16:49,812 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 11#L14true assume main_~i~0 < main_~j~0;main_~sn~0 := 2 + main_~sn~0; 7#L14-2true main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2019-11-28 03:16:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:49,821 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 03:16:49,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:49,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980714435] [2019-11-28 03:16:49,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:49,955 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:49,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:49,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1203686, now seen corresponding path program 1 times [2019-11-28 03:16:49,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:49,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409816116] [2019-11-28 03:16:49,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:49,973 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:49,975 INFO L82 PathProgramCache]: Analyzing trace with hash 29832837, now seen corresponding path program 1 times [2019-11-28 03:16:49,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:49,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351661109] [2019-11-28 03:16:49,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:50,010 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:50,087 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:16:50,088 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:16:50,088 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:16:50,088 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:16:50,088 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:16:50,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:50,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:16:50,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:16:50,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2019-11-28 03:16:50,090 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:16:50,090 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:16:50,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,254 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:16:50,255 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:50,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:16:50,265 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:50,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:16:50,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:16:50,309 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:16:50,309 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=5}, {ULTIMATE.start_main_~sn~0=4}, {ULTIMATE.start_main_~sn~0=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:50,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:16:50,328 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:50,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:16:50,359 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 [2019-11-28 03:16:50,460 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:16:50,462 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:16:50,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:16:50,463 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:16:50,463 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:16:50,463 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:16:50,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:50,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:16:50,463 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:16:50,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2019-11-28 03:16:50,464 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:16:50,467 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:16:50,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:50,549 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:16:50,555 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:50,562 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 [2019-11-28 03:16:50,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:50,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:50,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:50,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:50,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:50,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:50,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:16:50,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:50,588 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 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:50,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:50,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:50,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:50,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:50,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:50,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:50,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:16:50,602 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:16:50,614 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:16:50,614 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:50,634 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:16:50,635 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:50,635 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:16:50,636 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-28 03:16:50,642 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:16:50,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:16:50,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:16:50,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:16:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:16:50,715 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 03:16:50,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:16:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:16:50,776 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:16:50,778 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2019-11-28 03:16:50,842 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 34 states and 44 transitions. Complement of second has 7 states. [2019-11-28 03:16:50,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:16:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:16:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2019-11-28 03:16:50,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-28 03:16:50,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:50,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 03:16:50,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:50,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 8 letters. [2019-11-28 03:16:50,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:50,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2019-11-28 03:16:50,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:16:50,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 14 states and 17 transitions. [2019-11-28 03:16:50,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 03:16:50,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-28 03:16:50,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2019-11-28 03:16:50,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:16:50,862 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-28 03:16:50,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2019-11-28 03:16:50,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2019-11-28 03:16:50,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 03:16:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-28 03:16:50,891 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-28 03:16:50,892 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-28 03:16:50,892 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:16:50,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-28 03:16:50,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:16:50,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:16:50,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:16:50,893 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:16:50,894 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:16:50,894 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 93#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2019-11-28 03:16:50,894 INFO L796 eck$LassoCheckResult]: Loop: 89#L14 assume !(main_~i~0 < main_~j~0); 96#L14-2 main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 94#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 88#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2019-11-28 03:16:50,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:50,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-11-28 03:16:50,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:50,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298813578] [2019-11-28 03:16:50,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:50,922 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:50,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:50,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1356538, now seen corresponding path program 1 times [2019-11-28 03:16:50,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:50,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389126217] [2019-11-28 03:16:50,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:16:50,941 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:16:50,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:50,942 INFO L82 PathProgramCache]: Analyzing trace with hash 924877538, now seen corresponding path program 1 times [2019-11-28 03:16:50,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:16:50,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745573167] [2019-11-28 03:16:50,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:16:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:16:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:16:50,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745573167] [2019-11-28 03:16:50,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:16:50,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 03:16:51,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054131912] [2019-11-28 03:16:51,023 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:16:51,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:16:51,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:16:51,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:16:51,024 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:16:51,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:51,025 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:16:51,025 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:16:51,025 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2019-11-28 03:16:51,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:16:51,026 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:16:51,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:51,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:51,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:51,093 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:16:51,094 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:51,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:16:51,112 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:51,116 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:16:51,117 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:16:51,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:16:51,139 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:51,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:16:51,167 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:51,619 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:16:51,622 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:16:51,622 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:16:51,622 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:16:51,622 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:16:51,622 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:16:51,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:51,623 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:16:51,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:16:51,623 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2019-11-28 03:16:51,623 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:16:51,623 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:16:51,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:51,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:51,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:16:51,696 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:16:51,696 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:51,703 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 [2019-11-28 03:16:51,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:51,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:51,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:51,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:51,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:51,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:51,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:51,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:51,722 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 [2019-11-28 03:16:51,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:16:51,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:16:51,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:16:51,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:16:51,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:16:51,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:16:51,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:16:51,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:16:51,748 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 03:16:51,749 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:16:51,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:16:51,754 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:16:51,754 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:16:51,754 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:16:51,757 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:16:51,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:16:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:16:51,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:16:51,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:16:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:16:51,789 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:16:51,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:16:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:16:51,800 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:16:51,800 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 03:16:51,823 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 22 states and 28 transitions. Complement of second has 6 states. [2019-11-28 03:16:51,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:16:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:16:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2019-11-28 03:16:51,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-28 03:16:51,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:51,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 03:16:51,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:51,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-28 03:16:51,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:16:51,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2019-11-28 03:16:51,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:16:51,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-11-28 03:16:51,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:16:51,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:16:51,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:16:51,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:16:51,830 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:51,830 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:51,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:16:51,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:16:51,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:16:51,835 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 03:16:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:16:51,838 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:16:51,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:16:51,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:16:51,839 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:16:51,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:16:51,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:16:51,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:16:51,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:16:51,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:16:51,840 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:51,840 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:51,840 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:16:51,841 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:16:51,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:16:51,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:16:51,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:16:51,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:16:51 BoogieIcfgContainer [2019-11-28 03:16:51,848 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:16:51,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:16:51,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:16:51,849 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:16:51,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:49" (3/4) ... [2019-11-28 03:16:51,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:16:51,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:16:51,857 INFO L168 Benchmark]: Toolchain (without parser) took 2756.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 959.0 MB in the beginning and 937.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 153.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:51,858 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:16:51,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.36 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 948.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:51,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:51,861 INFO L168 Benchmark]: Boogie Preprocessor took 27.93 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:51,862 INFO L168 Benchmark]: RCFGBuilder took 222.75 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:51,863 INFO L168 Benchmark]: BuchiAutomizer took 2165.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 173.1 MB). Peak memory consumption was 173.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:16:51,864 INFO L168 Benchmark]: Witness Printer took 5.62 ms. Allocated memory is still 1.2 GB. Free memory is still 937.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:16:51,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.36 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 948.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.93 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.75 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: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2165.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 173.1 MB). Peak memory consumption was 173.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.62 ms. Allocated memory is still 1.2 GB. Free memory is still 937.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function j + -1 * i and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 12 SDs, 0 SdLazy, 26 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf97 lsp89 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...