./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/MenloPark.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/MenloPark.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 7c87c9e4b733dad657e6ff9e27a5e9b26a2c3764 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:26:53,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:26:53,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:26:53,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:26:53,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:26:53,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:26:53,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:26:53,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:26:53,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:26:53,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:26:53,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:26:53,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:26:53,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:26:53,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:26:53,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:26:53,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:26:53,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:26:53,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:26:53,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:26:53,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:26:53,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:26:53,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:26:53,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:26:53,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:26:53,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:26:53,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:26:53,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:26:53,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:26:53,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:26:53,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:26:53,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:26:53,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:26:53,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:26:53,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:26:53,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:26:53,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:26:53,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:26:53,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:26:53,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:26:53,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:26:53,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:26:53,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:26:53,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:26:53,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:26:53,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:26:53,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:26:53,733 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:26:53,734 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:26:53,734 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:26:53,735 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:26:53,735 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:26:53,735 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:26:53,736 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:26:53,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:26:53,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:26:53,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:26:53,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:26:53,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:26:53,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:26:53,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:26:53,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:26:53,740 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:26:53,741 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:26:53,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:26:53,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:26:53,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:26:53,742 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:26:53,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:26:53,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:26:53,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:26:53,743 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:26:53,744 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:26:53,745 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 -> 7c87c9e4b733dad657e6ff9e27a5e9b26a2c3764 [2020-07-29 01:26:54,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:26:54,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:26:54,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:26:54,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:26:54,052 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:26:54,053 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/MenloPark.c [2020-07-29 01:26:54,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361f648d1/e3ab782b038348d9aae66e5e789fa437/FLAG9822ce727 [2020-07-29 01:26:54,568 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:26:54,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/MenloPark.c [2020-07-29 01:26:54,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361f648d1/e3ab782b038348d9aae66e5e789fa437/FLAG9822ce727 [2020-07-29 01:26:54,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361f648d1/e3ab782b038348d9aae66e5e789fa437 [2020-07-29 01:26:54,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:26:54,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:26:54,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:26:54,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:26:54,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:26:54,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:26:54" (1/1) ... [2020-07-29 01:26:55,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d22436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55, skipping insertion in model container [2020-07-29 01:26:55,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:26:54" (1/1) ... [2020-07-29 01:26:55,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:26:55,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:26:55,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:26:55,250 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:26:55,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:26:55,281 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:26:55,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55 WrapperNode [2020-07-29 01:26:55,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:26:55,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:26:55,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:26:55,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:26:55,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:26:55,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:26:55,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:26:55,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:26:55,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (1/1) ... [2020-07-29 01:26:55,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:26:55,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:26:55,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:26:55,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:26:55,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (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 01:26:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:26:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:26:55,630 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:26:55,630 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:26:55,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:26:55 BoogieIcfgContainer [2020-07-29 01:26:55,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:26:55,634 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:26:55,634 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:26:55,637 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:26:55,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:26:55,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:26:54" (1/3) ... [2020-07-29 01:26:55,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e7e189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:26:55, skipping insertion in model container [2020-07-29 01:26:55,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:26:55,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:26:55" (2/3) ... [2020-07-29 01:26:55,641 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e7e189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:26:55, skipping insertion in model container [2020-07-29 01:26:55,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:26:55,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:26:55" (3/3) ... [2020-07-29 01:26:55,643 INFO L371 chiAutomizerObserver]: Analyzing ICFG MenloPark.c [2020-07-29 01:26:55,693 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:26:55,693 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:26:55,694 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:26:55,694 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:26:55,694 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:26:55,694 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:26:55,694 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:26:55,695 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:26:55,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:26:55,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:55,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:55,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:55,735 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:26:55,735 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:26:55,735 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:26:55,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:26:55,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:55,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:55,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:55,738 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:26:55,738 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:26:55,743 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 100;main_~z~0 := 1; 8#L22-2true [2020-07-29 01:26:55,744 INFO L796 eck$LassoCheckResult]: Loop: 8#L22-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := main_~y~0 - main_~z~0;main_~z~0 := -main_~z~0; 8#L22-2true [2020-07-29 01:26:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:55,749 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 01:26:55,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:26:55,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780136414] [2020-07-29 01:26:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:26:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:55,822 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:55,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:55,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:26:55,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:55,844 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-07-29 01:26:55,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:26:55,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849185435] [2020-07-29 01:26:55,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:26:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:55,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:55,861 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:55,863 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:26:55,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:55,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-07-29 01:26:55,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:26:55,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790056741] [2020-07-29 01:26:55,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:26:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:55,877 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:26:55,884 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:26:55,887 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:26:56,024 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:26:56,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:26:56,026 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:26:56,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:26:56,027 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:26:56,027 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:56,027 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:26:56,028 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:26:56,028 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2020-07-29 01:26:56,029 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:26:56,029 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:26:56,080 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 01:26:56,093 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 01:26:56,104 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 01:26:56,111 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 01:26:56,119 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 01:26:56,431 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:26:56,432 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 01:26:56,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:56,447 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 [2020-07-29 01:26:56,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:56,457 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 01:26:56,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:56,495 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 01:26:56,501 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:56,501 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) [2020-07-29 01:26:56,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:56,537 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 [2020-07-29 01:26:56,541 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:56,541 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 01:26:56,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:56,574 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 [2020-07-29 01:26:56,580 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:26:56,580 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:56,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:26:56,615 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:56,657 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:26:56,657 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:26:56,700 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:26:56,703 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:26:56,703 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:26:56,703 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:26:56,703 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:26:56,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:26:56,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:56,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:26:56,705 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:26:56,705 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2020-07-29 01:26:56,705 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:26:56,705 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:26:56,720 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 01:26:56,726 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 01:26:56,731 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 01:26:56,736 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 01:26:56,742 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 01:26:56,938 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:26:56,944 INFO L489 LassoAnalysis]: Using template 'affine'. 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 01:26:56,957 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 01:26:56,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:56,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:56,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:56,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:56,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:26:56,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:56,977 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 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 01:26:57,033 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 01:26:57,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:57,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:57,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:26:57,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:57,040 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 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 [2020-07-29 01:26:57,075 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 01:26:57,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:57,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:57,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:26:57,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:26:57,080 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 01:26:57,117 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 01:26:57,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:57,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:26:57,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:26:57,128 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:57,169 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 01:26:57,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:26:57,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:26:57,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:57,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:26:57,220 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:57,226 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 01:26:57,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,229 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:57,233 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:26:57,233 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:26:57,239 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) [2020-07-29 01:26:57,283 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 01:26:57,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:57,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,286 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:57,287 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:57,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:57,290 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) [2020-07-29 01:26:57,332 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 01:26:57,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:26:57,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,335 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:57,336 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:26:57,336 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 [2020-07-29 01:26:57,339 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 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:57,377 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 01:26:57,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,380 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:26:57,383 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:26:57,384 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:26:57,390 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:26:57,429 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 01:26:57,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:26:57,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:26:57,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:26:57,433 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:57,442 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:26:57,443 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:26:57,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:26:57,477 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-07-29 01:26:57,477 INFO L444 ModelExtractionUtils]: 7 out of 21 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:26:57,486 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:26:57,491 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2020-07-29 01:26:57,492 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:26:57,493 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 + 1 f1 = -1*ULTIMATE.start_main_~z~0 + 1*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 Supporting invariants [2*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 - 2 >= 0] [2020-07-29 01:26:57,540 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 01:26:57,548 INFO L393 LassoCheck]: Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := main_~y~0 - main_~z~0;main_~z~0 := -main_~z~0;" [2020-07-29 01:26:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:26:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:57,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:26:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:57,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:26:57,642 INFO L280 TraceCheckUtils]: 0: Hoare triple {16#unseeded} havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~z~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 := 100;main_~z~0 := 1; {36#(and (>= (+ (* 2 ULTIMATE.start_main_~y~0) (* (- 1) ULTIMATE.start_main_~z~0) (- 2)) 0) unseeded)} is VALID [2020-07-29 01:26:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:57,651 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 01:26:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:26:57,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:26:57,661 INFO L280 TraceCheckUtils]: 0: Hoare triple {37#(and (>= oldRank0 (ite (> (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 1) ULTIMATE.start_main_~y~0) 1) 0) 1 0)) (>= (+ (* 2 ULTIMATE.start_main_~y~0) (* (- 1) ULTIMATE.start_main_~z~0) (- 2)) 0) (>= oldRank1 (ite (> (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 1) ULTIMATE.start_main_~y~0) 1) 0) (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 1) ULTIMATE.start_main_~y~0) 1) (+ (* (- 1) ULTIMATE.start_main_~z~0) ULTIMATE.start_main_~x~0 (* 2 ULTIMATE.start_main_~y~0)))))} assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := main_~y~0 - main_~z~0;main_~z~0 := -main_~z~0; {39#(and (or (and (>= oldRank1 0) (>= oldRank0 (ite (> (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 1) ULTIMATE.start_main_~y~0) 1) 0) 1 0)) (> oldRank1 (ite (> (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 1) ULTIMATE.start_main_~y~0) 1) 0) (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 1) ULTIMATE.start_main_~y~0) 1) (+ (* (- 1) ULTIMATE.start_main_~z~0) ULTIMATE.start_main_~x~0 (* 2 ULTIMATE.start_main_~y~0))))) (and (> oldRank0 (ite (> (+ (* 2 ULTIMATE.start_main_~x~0) (* (- 1) ULTIMATE.start_main_~y~0) 1) 0) 1 0)) (>= oldRank0 0)) unseeded) (>= (+ (* 2 ULTIMATE.start_main_~y~0) (* (- 1) ULTIMATE.start_main_~z~0) (- 2)) 0))} is VALID [2020-07-29 01:26:57,662 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 01:26:57,675 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:26:57,690 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:26:57,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,701 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 01:26:57,703 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2020-07-29 01:26:57,839 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2020-07-29 01:26:57,839 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 01:26:57,840 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:26:57,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:26:57,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:57,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:57,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:57,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:26:57,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:26:57,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:26:57,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:26:57,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2020-07-29 01:26:57,847 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:26:57,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:26:57,849 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 6 states. [2020-07-29 01:26:57,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:26:57,851 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:26:57,851 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:26:57,853 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:26:57,853 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:26:57,853 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 18 transitions. cyclomatic complexity: 4 [2020-07-29 01:26:57,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. cyclomatic complexity: 4 [2020-07-29 01:26:57,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:26:57,854 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:26:57,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:26:57,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:26:57,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:26:57,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:26:57,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:26:57,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:26:57,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:26:57,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:26:57,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:26:57,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:26:57,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:26:57,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:26:57,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,866 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:26:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:26:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-07-29 01:26:57,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:26:57,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:26:57,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:26:57,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:26:57,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. cyclomatic complexity: 4 [2020-07-29 01:26:57,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:26:57,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-07-29 01:26:57,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:26:57,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:26:57,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:26:57,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:26:57,880 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:26:57,881 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:26:57,881 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:26:57,881 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:26:57,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:26:57,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:26:57,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:26:57,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:26:57 BoogieIcfgContainer [2020-07-29 01:26:57,889 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:26:57,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:26:57,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:26:57,890 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:26:57,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:26:55" (3/4) ... [2020-07-29 01:26:57,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:26:57,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:26:57,899 INFO L168 Benchmark]: Toolchain (without parser) took 2906.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 961.6 MB in the beginning and 870.4 MB in the end (delta: 91.1 MB). Peak memory consumption was 234.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:57,899 INFO L168 Benchmark]: CDTParser took 0.25 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 01:26:57,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.14 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:57,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:57,902 INFO L168 Benchmark]: Boogie Preprocessor took 20.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:26:57,904 INFO L168 Benchmark]: RCFGBuilder took 240.46 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:57,904 INFO L168 Benchmark]: BuchiAutomizer took 2255.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.4 MB in the end (delta: 249.3 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:26:57,905 INFO L168 Benchmark]: Witness Printer took 5.31 ms. Allocated memory is still 1.2 GB. Free memory is still 870.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:26:57,909 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 0.25 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 288.14 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 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 89.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 240.46 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2255.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.4 MB in the end (delta: 249.3 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.31 ms. Allocated memory is still 1.2 GB. Free memory is still 870.4 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if 2 * x + -1 * y + 1 > 0 then 1 else 0), (if 2 * x + -1 * y + 1 > 0 then 2 * x + -1 * y + 1 else -1 * z + x + 2 * y) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax141 hnf92 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...