./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/c.03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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/termination-restricted-15/c.03.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 7d32dea9005a55265d6c4ef8382f17d9e27d71b7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:20:34,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:20:34,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:20:34,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:20:34,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:20:34,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:20:34,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:20:34,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:20:34,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:20:34,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:20:34,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:20:34,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:20:34,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:20:34,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:20:34,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:20:34,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:20:34,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:20:34,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:20:34,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:20:34,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:20:34,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:20:34,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:20:34,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:20:34,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:20:34,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:20:34,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:20:34,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:20:34,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:20:34,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:20:34,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:20:34,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:20:34,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:20:34,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:20:34,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:20:34,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:20:34,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:20:34,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:20:34,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:20:34,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:20:34,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:20:34,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:20:34,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:20:34,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:20:34,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:20:34,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:20:34,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:20:34,918 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:20:34,919 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:20:34,919 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:20:34,919 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:20:34,919 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:20:34,920 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:20:34,921 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:20:34,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:20:34,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:20:34,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:20:34,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:20:34,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:20:34,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:20:34,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:20:34,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:20:34,924 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:20:34,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:20:34,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:20:34,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:20:34,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:20:34,925 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:20:34,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:20:34,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:20:34,926 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:20:34,927 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:20:34,928 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d32dea9005a55265d6c4ef8382f17d9e27d71b7 [2019-11-19 22:20:35,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:20:35,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:20:35,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:20:35,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:20:35,262 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:20:35,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/c.03.c [2019-11-19 22:20:35,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a355ee3a7/7c26c5556b8f42e2971357773b6551a7/FLAG9a08b3c2c [2019-11-19 22:20:35,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:20:35,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/c.03.c [2019-11-19 22:20:35,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a355ee3a7/7c26c5556b8f42e2971357773b6551a7/FLAG9a08b3c2c [2019-11-19 22:20:36,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a355ee3a7/7c26c5556b8f42e2971357773b6551a7 [2019-11-19 22:20:36,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:20:36,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:20:36,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:20:36,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:20:36,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:20:36,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4230ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36, skipping insertion in model container [2019-11-19 22:20:36,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,160 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:20:36,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:20:36,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:20:36,338 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:20:36,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:20:36,360 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:20:36,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36 WrapperNode [2019-11-19 22:20:36,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:20:36,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:20:36,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:20:36,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:20:36,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:20:36,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:20:36,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:20:36,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:20:36,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (1/1) ... [2019-11-19 22:20:36,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:20:36,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:20:36,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:20:36,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:20:36,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (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 [2019-11-19 22:20:36,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:20:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:20:36,649 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:20:36,649 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:20:36,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:20:36 BoogieIcfgContainer [2019-11-19 22:20:36,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:20:36,652 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:20:36,652 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:20:36,655 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:20:36,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:20:36,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:20:36" (1/3) ... [2019-11-19 22:20:36,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21151b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:20:36, skipping insertion in model container [2019-11-19 22:20:36,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:20:36,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:20:36" (2/3) ... [2019-11-19 22:20:36,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21151b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:20:36, skipping insertion in model container [2019-11-19 22:20:36,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:20:36,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:20:36" (3/3) ... [2019-11-19 22:20:36,659 INFO L371 chiAutomizerObserver]: Analyzing ICFG c.03.c [2019-11-19 22:20:36,709 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:20:36,709 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:20:36,709 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:20:36,710 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:20:36,710 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:20:36,710 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:20:36,710 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:20:36,711 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:20:36,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-19 22:20:36,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:20:36,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:20:36,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:20:36,781 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 22:20:36,781 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:20:36,782 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:20:36,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-19 22:20:36,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:20:36,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:20:36,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:20:36,784 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 22:20:36,784 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:20:36,795 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 3#L12-2true [2019-11-19 22:20:36,796 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 < main_~y~0 && main_~z~0 < 2147483647); 5#L12true assume main_~x~0 < main_~z~0;main_~x~0 := 1 + main_~x~0; 3#L12-2true [2019-11-19 22:20:36,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:36,808 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-19 22:20:36,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:20:36,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475646525] [2019-11-19 22:20:36,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:20:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:36,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:20:36,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:36,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-19 22:20:36,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:20:36,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623718543] [2019-11-19 22:20:36,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:20:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:36,934 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:20:36,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:36,936 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-19 22:20:36,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:20:36,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511196987] [2019-11-19 22:20:36,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:20:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:36,954 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:20:37,050 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:20:37,051 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:20:37,051 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:20:37,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:20:37,051 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:20:37,052 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,052 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:20:37,052 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:20:37,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration1_Loop [2019-11-19 22:20:37,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:20:37,054 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:20:37,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,220 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:20:37,222 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) [2019-11-19 22:20:37,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:20:37,239 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 [2019-11-19 22:20:37,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:20:37,253 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 [2019-11-19 22:20:37,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:20:37,270 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:20:37,275 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:20:37,276 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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) [2019-11-19 22:20:37,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:20:37,288 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) [2019-11-19 22:20:37,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:20:37,305 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 [2019-11-19 22:20:37,319 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:20:37,322 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:20:37,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:20:37,322 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:20:37,323 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:20:37,323 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:20:37,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:20:37,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:20:37,324 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration1_Loop [2019-11-19 22:20:37,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:20:37,325 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:20:37,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,419 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:20:37,425 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) [2019-11-19 22:20:37,441 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 [2019-11-19 22:20:37,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:20:37,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:20:37,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:20:37,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:20:37,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:20:37,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,466 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,477 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 [2019-11-19 22:20:37,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:20:37,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:20:37,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:20:37,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:20:37,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:20:37,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:20:37,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:20:37,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:20:37,509 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-19 22:20:37,509 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:20:37,519 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:20:37,519 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:20:37,520 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:20:37,520 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 4294967291 Supporting invariants [] [2019-11-19 22:20:37,526 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:37,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:20:37,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:20:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:37,580 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 22:20:37,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:20:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:37,615 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 [2019-11-19 22:20:37,617 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-19 22:20:37,670 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 21 states and 30 transitions. Complement of second has 7 states. [2019-11-19 22:20:37,671 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 [2019-11-19 22:20:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:20:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-11-19 22:20:37,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-19 22:20:37,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:20:37,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-19 22:20:37,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:20:37,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-19 22:20:37,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:20:37,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2019-11-19 22:20:37,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:20:37,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 8 states and 11 transitions. [2019-11-19 22:20:37,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-19 22:20:37,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-19 22:20:37,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-11-19 22:20:37,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:20:37,688 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-11-19 22:20:37,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-11-19 22:20:37,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-19 22:20:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-19 22:20:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-19 22:20:37,717 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-19 22:20:37,717 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-19 22:20:37,717 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:20:37,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-19 22:20:37,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:20:37,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:20:37,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:20:37,719 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:20:37,719 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:20:37,719 INFO L794 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 69#L12-2 assume !!(main_~x~0 < main_~y~0 && main_~z~0 < 2147483647); 65#L12 [2019-11-19 22:20:37,720 INFO L796 eck$LassoCheckResult]: Loop: 65#L12 assume !(main_~x~0 < main_~z~0);main_~z~0 := 1 + main_~z~0; 64#L12-2 assume !!(main_~x~0 < main_~y~0 && main_~z~0 < 2147483647); 65#L12 [2019-11-19 22:20:37,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:37,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-19 22:20:37,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:20:37,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952889826] [2019-11-19 22:20:37,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:20:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:37,737 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:20:37,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:37,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2019-11-19 22:20:37,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:20:37,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41951673] [2019-11-19 22:20:37,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:20:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:37,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:20:37,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:37,753 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2019-11-19 22:20:37,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:20:37,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119878233] [2019-11-19 22:20:37,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:20:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:20:37,765 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:20:37,793 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:20:37,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:20:37,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:20:37,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:20:37,794 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:20:37,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:20:37,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:20:37,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration2_Loop [2019-11-19 22:20:37,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:20:37,795 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:20:37,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,865 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:20:37,865 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) [2019-11-19 22:20:37,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:20:37,871 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 [2019-11-19 22:20:37,876 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:20:37,876 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 [2019-11-19 22:20:37,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:20:37,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:20:37,900 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:20:37,900 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:20:37,911 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2019-11-19 22:20:37,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:20:37,937 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,959 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:20:37,961 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:20:37,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:20:37,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:20:37,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:20:37,962 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:20:37,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:37,962 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:20:37,962 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:20:37,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration2_Loop [2019-11-19 22:20:37,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:20:37,963 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:20:37,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:37,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:20:38,038 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:20:38,039 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-19 22:20:38,051 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 [2019-11-19 22:20:38,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:20:38,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:20:38,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:20:38,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:20:38,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:20:38,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:38,066 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:20:38,077 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 [2019-11-19 22:20:38,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:20:38,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:20:38,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:20:38,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:20:38,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:20:38,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:38,096 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:20:38,116 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 [2019-11-19 22:20:38,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:20:38,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:20:38,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:20:38,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:20:38,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:20:38,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:20:38,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:38,134 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:20:38,139 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-19 22:20:38,139 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:20:38,153 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:20:38,153 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:20:38,154 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:20:38,154 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 4294967291 Supporting invariants [] [2019-11-19 22:20:38,157 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:20:38,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:20:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:38,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:20:38,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:20:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:20:38,192 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:20:38,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:20:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:20:38,221 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 [2019-11-19 22:20:38,221 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-19 22:20:38,255 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 16 states and 23 transitions. Complement of second has 6 states. [2019-11-19 22:20:38,257 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 [2019-11-19 22:20:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:20:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-11-19 22:20:38,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-19 22:20:38,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:20:38,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-19 22:20:38,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:20:38,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-19 22:20:38,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:20:38,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2019-11-19 22:20:38,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:20:38,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-19 22:20:38,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:20:38,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:20:38,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:20:38,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:20:38,263 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:20:38,263 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:20:38,263 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:20:38,264 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:20:38,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:20:38,264 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:20:38,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:20:38,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:20:38 BoogieIcfgContainer [2019-11-19 22:20:38,271 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:20:38,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:20:38,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:20:38,272 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:20:38,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:20:36" (3/4) ... [2019-11-19 22:20:38,276 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:20:38,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:20:38,280 INFO L168 Benchmark]: Toolchain (without parser) took 2138.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 957.7 MB in the beginning and 907.1 MB in the end (delta: 50.6 MB). Peak memory consumption was 158.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:38,280 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. [2019-11-19 22:20:38,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.43 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:38,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:38,283 INFO L168 Benchmark]: Boogie Preprocessor took 15.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:20:38,284 INFO L168 Benchmark]: RCFGBuilder took 195.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:38,285 INFO L168 Benchmark]: BuchiAutomizer took 1619.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 907.1 MB in the end (delta: 178.6 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:20:38,285 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 1.1 GB. Free memory is still 907.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:20:38,290 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 217.43 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 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 79.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 195.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1619.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 907.1 MB in the end (delta: 178.6 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.06 ms. Allocated memory is still 1.1 GB. Free memory is still 907.1 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 4294967291 and consists of 5 locations. One deterministic module has affine ranking function -2 * z + 4294967291 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 8 SDslu, 6 SDs, 0 SdLazy, 17 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax172 hnf98 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf109 neg100 sie121 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...