./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/gj2007.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/loop-lit/gj2007.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 b0c153cc19420566b784175ad01f9ac675d19dec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 02:08:05,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:08:05,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:08:05,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:08:05,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:08:05,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:08:05,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:08:05,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:08:05,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:08:05,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:08:05,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:08:05,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:08:05,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:08:05,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:08:05,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:08:05,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:08:05,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:08:05,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:08:05,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:08:05,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:08:05,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:08:05,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:08:05,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:08:05,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:08:05,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:08:05,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:08:05,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:08:05,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:08:05,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:08:05,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:08:05,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:08:05,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:08:05,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:08:05,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:08:05,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:08:05,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:08:06,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:08:06,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:08:06,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:08:06,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:08:06,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:08:06,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:08:06,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:08:06,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:08:06,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:08:06,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:08:06,021 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:08:06,022 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:08:06,022 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:08:06,022 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:08:06,023 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:08:06,023 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:08:06,023 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:08:06,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:08:06,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:08:06,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:08:06,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:08:06,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:08:06,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:08:06,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:08:06,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:08:06,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:08:06,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:08:06,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:08:06,026 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:08:06,027 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:08:06,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:08:06,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:08:06,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:08:06,028 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:08:06,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:08:06,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:08:06,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:08:06,029 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:08:06,030 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:08:06,030 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 -> b0c153cc19420566b784175ad01f9ac675d19dec [2020-07-29 02:08:06,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:08:06,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:08:06,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:08:06,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:08:06,359 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:08:06,360 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gj2007.i [2020-07-29 02:08:06,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169718aaa/84668e30f9204a7dbc3e5f35e4b1072a/FLAG486320f1c [2020-07-29 02:08:06,873 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:08:06,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007.i [2020-07-29 02:08:06,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169718aaa/84668e30f9204a7dbc3e5f35e4b1072a/FLAG486320f1c [2020-07-29 02:08:07,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/169718aaa/84668e30f9204a7dbc3e5f35e4b1072a [2020-07-29 02:08:07,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:08:07,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:08:07,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:07,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:08:07,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:08:07,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219802b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07, skipping insertion in model container [2020-07-29 02:08:07,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:08:07,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:08:07,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:07,442 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:08:07,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:07,473 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:08:07,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07 WrapperNode [2020-07-29 02:08:07,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:07,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:07,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:08:07,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:08:07,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:07,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:08:07,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:08:07,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:08:07,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (1/1) ... [2020-07-29 02:08:07,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:08:07,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:08:07,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:08:07,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:08:07,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (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 [2020-07-29 02:08:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:08:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:08:07,842 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:08:07,842 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 02:08:07,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:07 BoogieIcfgContainer [2020-07-29 02:08:07,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:08:07,846 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:08:07,846 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:08:07,850 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:08:07,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:07,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:08:07" (1/3) ... [2020-07-29 02:08:07,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a60f461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:07, skipping insertion in model container [2020-07-29 02:08:07,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:07,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:07" (2/3) ... [2020-07-29 02:08:07,853 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a60f461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:07, skipping insertion in model container [2020-07-29 02:08:07,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:07,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:07" (3/3) ... [2020-07-29 02:08:07,855 INFO L371 chiAutomizerObserver]: Analyzing ICFG gj2007.i [2020-07-29 02:08:07,918 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:08:07,918 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:08:07,919 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:08:07,919 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:08:07,919 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:08:07,919 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:08:07,919 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:08:07,919 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:08:07,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:07,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:07,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:07,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:07,995 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:08:07,996 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:08:07,996 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:08:07,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:08,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:08,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:08,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:08,004 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:08:08,015 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:08:08,023 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 3#L17-2true [2020-07-29 02:08:08,024 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 < 100); 6#L17true assume main_~x~0 < 50;main_~x~0 := 1 + main_~x~0; 3#L17-2true [2020-07-29 02:08:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:08,030 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 02:08:08,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:08,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793225068] [2020-07-29 02:08:08,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,123 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:08,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2020-07-29 02:08:08,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:08,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992894311] [2020-07-29 02:08:08,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,138 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,140 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:08,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:08,142 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2020-07-29 02:08:08,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:08,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770533869] [2020-07-29 02:08:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,151 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,156 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,157 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:08,231 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:08,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:08,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:08,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:08,232 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 02:08:08,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:08,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:08,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:08,233 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2020-07-29 02:08:08,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:08,233 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:08,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:08,338 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:08,339 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) [2020-07-29 02:08:08,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:08,350 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) [2020-07-29 02:08:08,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:08,388 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:08,427 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 02:08:08,429 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:08,429 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:08,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:08,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:08,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:08:08,430 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:08,430 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:08,430 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:08,430 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2020-07-29 02:08:08,430 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:08,431 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:08,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:08,491 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:08,496 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 02:08:08,501 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 [2020-07-29 02:08:08,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:08,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:08,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:08,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:08,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:08,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:08,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:08,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:08:08,521 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 02:08:08,521 INFO L444 ModelExtractionUtils]: 0 out of 3 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:08,530 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 02:08:08,530 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 02:08:08,531 INFO L510 LassoAnalysis]: Proved termination. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:08,532 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 99 Supporting invariants [] [2020-07-29 02:08:08,559 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 02:08:08,564 INFO L393 LassoCheck]: Loop: "assume !!(main_~x~0 < 100);" "assume main_~x~0 < 50;main_~x~0 := 1 + main_~x~0;" [2020-07-29 02:08:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:08,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 02:08:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:08,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:08,625 INFO L280 TraceCheckUtils]: 0: Hoare triple {20#unseeded} havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; {20#unseeded} is VALID [2020-07-29 02:08:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:08,632 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 02:08:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:08,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:08,647 INFO L280 TraceCheckUtils]: 0: Hoare triple {23#(>= oldRank0 (+ (* (- 2) ULTIMATE.start_main_~x~0) 99))} assume !!(main_~x~0 < 100); {23#(>= oldRank0 (+ (* (- 2) ULTIMATE.start_main_~x~0) 99))} is VALID [2020-07-29 02:08:08,649 INFO L280 TraceCheckUtils]: 1: Hoare triple {23#(>= oldRank0 (+ (* (- 2) ULTIMATE.start_main_~x~0) 99))} assume main_~x~0 < 50;main_~x~0 := 1 + main_~x~0; {33#(or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2) ULTIMATE.start_main_~x~0) 99))) unseeded)} is VALID [2020-07-29 02:08:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:08:08,661 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:08:08,671 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:08:08,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,685 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-29 02:08:08,687 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2020-07-29 02:08:08,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 30 states and 41 transitions. Complement of second has 5 states. [2020-07-29 02:08:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 02:08:08,775 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:08,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:08,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:08,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:08,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:08,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 02:08:08,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:08:08,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:08,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:08,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2020-07-29 02:08:08,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:08,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:08,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:08,789 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 10 states. [2020-07-29 02:08:08,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:08,792 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:08,792 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 02:08:08,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:08:08,796 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:08,796 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 30 states and 41 transitions. cyclomatic complexity: 13 [2020-07-29 02:08:08,796 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:08,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:08,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:08,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:08,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 30 letters. Loop has 30 letters. [2020-07-29 02:08:08,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 30 letters. Loop has 30 letters. [2020-07-29 02:08:08,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 30 letters. Loop has 30 letters. [2020-07-29 02:08:08,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:08,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:08,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:08,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:08,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:08,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:08,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:08,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:08,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:08,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:08,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:08,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:08,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:08:08,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:08:08,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:08:08,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:08,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:08,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 41 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:08,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,817 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 02:08:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2020-07-29 02:08:08,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:08,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:08,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 4 letters. [2020-07-29 02:08:08,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:08,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. cyclomatic complexity: 13 [2020-07-29 02:08:08,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:08,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 8 states and 11 transitions. [2020-07-29 02:08:08,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-07-29 02:08:08,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-29 02:08:08,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2020-07-29 02:08:08,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 02:08:08,836 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-07-29 02:08:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2020-07-29 02:08:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-07-29 02:08:08,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:08:08,863 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states and 11 transitions. Second operand 7 states. [2020-07-29 02:08:08,864 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states and 11 transitions. Second operand 7 states. [2020-07-29 02:08:08,867 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand 7 states. [2020-07-29 02:08:08,870 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 02:08:08,873 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. [2020-07-29 02:08:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2020-07-29 02:08:08,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:08:08,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:08:08,875 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 8 states and 11 transitions. [2020-07-29 02:08:08,875 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 8 states and 11 transitions. [2020-07-29 02:08:08,876 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 02:08:08,877 INFO L93 Difference]: Finished difference Result 9 states and 13 transitions. [2020-07-29 02:08:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2020-07-29 02:08:08,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:08:08,878 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:08:08,878 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:08:08,879 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:08:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-29 02:08:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-07-29 02:08:08,881 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-07-29 02:08:08,882 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-07-29 02:08:08,882 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:08:08,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-07-29 02:08:08,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:08,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:08,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:08,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:08:08,884 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:08:08,884 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRY havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 83#L17-2 assume !!(main_~x~0 < 100); 79#L17 [2020-07-29 02:08:08,884 INFO L796 eck$LassoCheckResult]: Loop: 79#L17 assume !(main_~x~0 < 50);main_~x~0 := 1 + main_~x~0;main_~y~0 := 1 + main_~y~0; 78#L17-2 assume !!(main_~x~0 < 100); 79#L17 [2020-07-29 02:08:08,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:08,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-07-29 02:08:08,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:08,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019641201] [2020-07-29 02:08:08,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,892 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:08,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:08,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2020-07-29 02:08:08,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:08,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376721104] [2020-07-29 02:08:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,901 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:08,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:08,906 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:08,907 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2020-07-29 02:08:08,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:08,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476893406] [2020-07-29 02:08:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:08,955 INFO L280 TraceCheckUtils]: 0: Hoare triple {128#true} havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; {130#(<= ULTIMATE.start_main_~x~0 0)} is VALID [2020-07-29 02:08:08,956 INFO L280 TraceCheckUtils]: 1: Hoare triple {130#(<= ULTIMATE.start_main_~x~0 0)} assume !!(main_~x~0 < 100); {130#(<= ULTIMATE.start_main_~x~0 0)} is VALID [2020-07-29 02:08:08,957 INFO L280 TraceCheckUtils]: 2: Hoare triple {130#(<= ULTIMATE.start_main_~x~0 0)} assume !(main_~x~0 < 50);main_~x~0 := 1 + main_~x~0;main_~y~0 := 1 + main_~y~0; {129#false} is VALID [2020-07-29 02:08:08,957 INFO L280 TraceCheckUtils]: 3: Hoare triple {129#false} assume !!(main_~x~0 < 100); {129#false} is VALID [2020-07-29 02:08:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:08:08,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476893406] [2020-07-29 02:08:08,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:08:08,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 02:08:08,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65259270] [2020-07-29 02:08:08,997 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:08,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:08,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:08,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:08,997 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 02:08:08,998 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:08,998 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:08,998 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:08,998 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2020-07-29 02:08:08,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:08,998 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:09,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:09,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:09,098 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:09,099 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2020-07-29 02:08:09,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:09,111 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:09,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:09,163 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:09,179 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:09,180 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1}, {ULTIMATE.start_main_~y~0=-2}, {ULTIMATE.start_main_~y~0=4}] Lambdas: [1, 3, 1] Nus: [0, 1] 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) [2020-07-29 02:08:09,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:09,228 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:09,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:09,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 02:08:09,308 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 02:08:09,310 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:09,310 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:09,310 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:09,311 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:09,311 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:08:09,311 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:09,311 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:09,311 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:09,311 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2020-07-29 02:08:09,311 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:09,312 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:09,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:09,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:09,407 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:09,408 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 02:08:09,416 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 [2020-07-29 02:08:09,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:09,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:09,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:09,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:09,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:09,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:09,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:09,424 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 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 [2020-07-29 02:08:09,459 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 [2020-07-29 02:08:09,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:09,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:09,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:09,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:09,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:09,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:09,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:08:09,467 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:08:09,475 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 02:08:09,475 INFO L444 ModelExtractionUtils]: 0 out of 3 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:09,486 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 02:08:09,487 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 02:08:09,487 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 02:08:09,487 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 197 Supporting invariants [] Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:09,517 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 02:08:09,521 INFO L393 LassoCheck]: Loop: "assume !(main_~x~0 < 50);main_~x~0 := 1 + main_~x~0;main_~y~0 := 1 + main_~y~0;" "assume !!(main_~x~0 < 100);" [2020-07-29 02:08:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:09,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:09,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 02:08:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:09,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:09,551 INFO L280 TraceCheckUtils]: 0: Hoare triple {131#unseeded} havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; {131#unseeded} is VALID [2020-07-29 02:08:09,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {131#unseeded} assume !!(main_~x~0 < 100); {131#unseeded} is VALID [2020-07-29 02:08:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:09,557 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 02:08:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:09,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:09,648 INFO L280 TraceCheckUtils]: 0: Hoare triple {134#(>= oldRank0 (+ (* (- 2) ULTIMATE.start_main_~x~0) 197))} assume !(main_~x~0 < 50);main_~x~0 := 1 + main_~x~0;main_~y~0 := 1 + main_~y~0; {152#(<= (+ (div (+ oldRank0 (- 197)) (- 2)) 1) ULTIMATE.start_main_~x~0)} is VALID [2020-07-29 02:08:09,649 INFO L280 TraceCheckUtils]: 1: Hoare triple {152#(<= (+ (div (+ oldRank0 (- 197)) (- 2)) 1) ULTIMATE.start_main_~x~0)} assume !!(main_~x~0 < 100); {144#(or (and (> oldRank0 (+ (* (- 2) ULTIMATE.start_main_~x~0) 197)) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 02:08:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:08:09,650 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:08:09,657 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:08:09,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,658 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 [2020-07-29 02:08:09,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-07-29 02:08:09,704 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 21 transitions. Complement of second has 6 states. [2020-07-29 02:08:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 02:08:09,705 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:09,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. cyclomatic complexity: 5 [2020-07-29 02:08:09,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:09,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:09,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 02:08:09,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 02:08:09,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:09,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:09,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2020-07-29 02:08:09,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:09,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:09,708 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 7 states and 10 transitions. cyclomatic complexity: 5 [2020-07-29 02:08:09,708 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:09,708 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 02:08:09,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 02:08:09,709 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 02:08:09,710 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 21 transitions. cyclomatic complexity: 8 [2020-07-29 02:08:09,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. cyclomatic complexity: 8 [2020-07-29 02:08:09,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:09,710 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 02:08:09,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:09,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:09,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:09,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 15 letters. Loop has 15 letters. [2020-07-29 02:08:09,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 02:08:09,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 15 letters. Loop has 15 letters. [2020-07-29 02:08:09,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 7 letters. Loop has 7 letters. [2020-07-29 02:08:09,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 7 letters. [2020-07-29 02:08:09,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 7 letters. [2020-07-29 02:08:09,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:09,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:09,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:09,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:09,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:09,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:09,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. cyclomatic complexity: 5 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:09,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:09,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 21 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:09,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,719 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 02:08:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2020-07-29 02:08:09,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:09,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:08:09,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-29 02:08:09,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:09,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. cyclomatic complexity: 8 [2020-07-29 02:08:09,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:09,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-07-29 02:08:09,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:08:09,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:08:09,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:08:09,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:08:09,724 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:09,724 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:09,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:08:09,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 02:08:09,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 02:08:09,728 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-07-29 02:08:09,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:08:09,728 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-29 02:08:09,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-29 02:08:09,729 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:08:09,734 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:08:09,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-07-29 02:08:09,735 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:09,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-07-29 02:08:09,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:08:09,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:08:09,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:08:09,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:08:09,736 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:09,736 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:09,736 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:09,736 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 02:08:09,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 02:08:09,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:09,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:09,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:08:09 BoogieIcfgContainer [2020-07-29 02:08:09,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:08:09,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:08:09,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:08:09,744 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:08:09,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:07" (3/4) ... [2020-07-29 02:08:09,748 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:08:09,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:08:09,752 INFO L168 Benchmark]: Toolchain (without parser) took 2513.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.2 MB in the beginning and 910.4 MB in the end (delta: 49.8 MB). Peak memory consumption was 187.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:09,753 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:09,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.12 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:09,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.20 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:09,755 INFO L168 Benchmark]: Boogie Preprocessor took 83.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:09,756 INFO L168 Benchmark]: RCFGBuilder took 255.51 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:09,757 INFO L168 Benchmark]: BuchiAutomizer took 1897.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 204.0 MB). Peak memory consumption was 204.0 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:09,758 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 1.2 GB. Free memory is still 910.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:09,762 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.12 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 29.20 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 255.51 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1897.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 204.0 MB). Peak memory consumption was 204.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.78 ms. Allocated memory is still 1.2 GB. Free memory is still 910.4 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 -2 * x + 99 and consists of 4 locations. One deterministic module has affine ranking function -2 * x + 197 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 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. 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: 9 SDtfs, 12 SDslu, 6 SDs, 0 SdLazy, 14 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf97 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...