./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaA1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/PastaA1.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 1a5ad591ce856c2d846b6a372eee9518c32c9e01 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:58:43,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:58:43,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:58:43,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:58:43,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:58:43,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:58:43,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:58:43,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:58:43,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:58:43,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:58:43,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:58:43,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:58:43,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:58:43,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:58:43,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:58:43,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:58:43,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:58:43,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:58:43,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:58:43,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:58:43,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:58:43,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:58:43,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:58:43,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:58:43,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:58:43,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:58:43,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:58:43,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:58:43,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:58:43,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:58:43,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:58:43,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:58:43,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:58:43,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:58:43,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:58:43,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:58:43,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:58:43,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:58:43,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:58:43,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:58:43,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:58:43,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 02:58:43,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:58:43,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:58:43,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:58:43,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:58:43,701 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:58:43,704 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 02:58:43,706 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 02:58:43,706 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 02:58:43,706 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 02:58:43,706 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 02:58:43,706 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 02:58:43,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:58:43,707 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:58:43,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:58:43,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:58:43,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 02:58:43,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 02:58:43,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 02:58:43,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:58:43,709 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 02:58:43,709 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:58:43,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 02:58:43,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:58:43,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:58:43,710 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 02:58:43,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:58:43,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:58:43,711 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 02:58:43,712 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 02:58:43,712 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 -> 1a5ad591ce856c2d846b6a372eee9518c32c9e01 [2019-11-28 02:58:44,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:58:44,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:58:44,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:58:44,063 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:58:44,063 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:58:44,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaA1.c [2019-11-28 02:58:44,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4470c0093/6493b589167c405aa01995908134b21d/FLAG22c8db95e [2019-11-28 02:58:44,574 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:58:44,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaA1.c [2019-11-28 02:58:44,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4470c0093/6493b589167c405aa01995908134b21d/FLAG22c8db95e [2019-11-28 02:58:44,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4470c0093/6493b589167c405aa01995908134b21d [2019-11-28 02:58:44,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:58:44,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:58:44,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:58:44,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:58:45,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:58:45,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:44" (1/1) ... [2019-11-28 02:58:45,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a004d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45, skipping insertion in model container [2019-11-28 02:58:45,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:44" (1/1) ... [2019-11-28 02:58:45,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:58:45,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:58:45,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:58:45,222 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:58:45,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:58:45,252 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:58:45,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45 WrapperNode [2019-11-28 02:58:45,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:58:45,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:58:45,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:58:45,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:58:45,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:58:45,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:58:45,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:58:45,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:58:45,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... [2019-11-28 02:58:45,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:58:45,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:58:45,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:58:45,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:58:45,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:58:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:58:45,544 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:58:45,545 INFO L297 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 02:58:45,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:45 BoogieIcfgContainer [2019-11-28 02:58:45,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:58:45,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 02:58:45,546 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 02:58:45,549 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 02:58:45,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:58:45,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:58:44" (1/3) ... [2019-11-28 02:58:45,551 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c53d061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:45, skipping insertion in model container [2019-11-28 02:58:45,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:58:45,551 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:45" (2/3) ... [2019-11-28 02:58:45,552 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c53d061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:45, skipping insertion in model container [2019-11-28 02:58:45,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:58:45,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:45" (3/3) ... [2019-11-28 02:58:45,554 INFO L371 chiAutomizerObserver]: Analyzing ICFG PastaA1.c [2019-11-28 02:58:45,604 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 02:58:45,605 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 02:58:45,605 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 02:58:45,605 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:58:45,605 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:58:45,605 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 02:58:45,605 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:58:45,606 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 02:58:45,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 02:58:45,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 02:58:45,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:45,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:45,646 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:58:45,646 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 02:58:45,646 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 02:58:45,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 02:58:45,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 02:58:45,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:45,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:45,648 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:58:45,648 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 02:58:45,654 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L10-2true [2019-11-28 02:58:45,654 INFO L796 eck$LassoCheckResult]: Loop: 8#L10-2true assume !!(main_~x~0 > 0);main_~y~0 := 0; 3#L12-2true assume !(main_~y~0 < main_~x~0); 10#L12-3true main_~x~0 := main_~x~0 - 1; 8#L10-2true [2019-11-28 02:58:45,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:45,659 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 02:58:45,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:45,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595616175] [2019-11-28 02:58:45,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,742 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:45,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:45,744 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-11-28 02:58:45,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:45,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399156326] [2019-11-28 02:58:45,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:45,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399156326] [2019-11-28 02:58:45,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:58:45,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:58:45,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631025659] [2019-11-28 02:58:45,811 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 02:58:45,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:58:45,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:58:45,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:58:45,839 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-11-28 02:58:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:58:45,868 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-11-28 02:58:45,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:58:45,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-11-28 02:58:45,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 02:58:45,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2019-11-28 02:58:45,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 02:58:45,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-28 02:58:45,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2019-11-28 02:58:45,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 02:58:45,879 INFO L688 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2019-11-28 02:58:45,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2019-11-28 02:58:45,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-11-28 02:58:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 02:58:45,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2019-11-28 02:58:45,909 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2019-11-28 02:58:45,909 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2019-11-28 02:58:45,910 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 02:58:45,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2019-11-28 02:58:45,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 02:58:45,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:45,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:45,911 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:58:45,911 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 02:58:45,911 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 29#L10-2 [2019-11-28 02:58:45,912 INFO L796 eck$LassoCheckResult]: Loop: 29#L10-2 assume !!(main_~x~0 > 0);main_~y~0 := 0; 26#L12-2 assume !!(main_~y~0 < main_~x~0);main_~y~0 := 1 + main_~y~0; 27#L12-2 assume !(main_~y~0 < main_~x~0); 30#L12-3 main_~x~0 := main_~x~0 - 1; 29#L10-2 [2019-11-28 02:58:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:45,912 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-11-28 02:58:45,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:45,913 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943953755] [2019-11-28 02:58:45,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,919 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:45,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:45,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1240240, now seen corresponding path program 1 times [2019-11-28 02:58:45,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:45,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045192385] [2019-11-28 02:58:45,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:45,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:45,937 INFO L82 PathProgramCache]: Analyzing trace with hash 29869391, now seen corresponding path program 1 times [2019-11-28 02:58:45,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:45,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745776030] [2019-11-28 02:58:45,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:45,951 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:46,039 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:46,040 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:46,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:46,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:46,041 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:58:46,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:46,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:46,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration2_Loop [2019-11-28 02:58:46,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:46,043 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:46,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,176 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:46,177 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:46,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:46,188 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,198 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:46,198 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:46,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:58:46,215 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:46,215 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:46,230 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:46,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:58:46,249 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,330 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:58:46,333 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:46,333 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:46,333 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:46,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:46,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:58:46,334 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,334 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:46,334 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:46,334 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration2_Loop [2019-11-28 02:58:46,334 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:46,334 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:46,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,432 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:46,437 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:46,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:46,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:46,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:46,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:46,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:46,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:58:46,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:46,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:46,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:46,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:46,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:46,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:46,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:58:46,497 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 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:46,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:46,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:58:46,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:46,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:46,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:46,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:58:46,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:58:46,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:58:46,526 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 02:58:46,526 INFO L444 ModelExtractionUtils]: 1 out of 4 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:46,544 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:58:46,544 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:58:46,544 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:58:46,545 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-11-28 02:58:46,551 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:46,587 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:58:46,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:46,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:58:46,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:58:46,618 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:58:46,619 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand 3 states. [2019-11-28 02:58:46,656 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 9 states and 12 transitions. Complement of second has 4 states. [2019-11-28 02:58:46,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:58:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:58:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 02:58:46,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-28 02:58:46,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:46,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 02:58:46,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:46,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 1 letters. Loop has 8 letters. [2019-11-28 02:58:46,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:46,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2019-11-28 02:58:46,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:58:46,663 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 11 transitions. [2019-11-28 02:58:46,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 02:58:46,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 02:58:46,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-11-28 02:58:46,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:58:46,664 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-11-28 02:58:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-11-28 02:58:46,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-28 02:58:46,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 02:58:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-28 02:58:46,666 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:58:46,666 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:58:46,666 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 02:58:46,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-28 02:58:46,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:58:46,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:46,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:46,668 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 02:58:46,668 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 02:58:46,668 INFO L794 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 79#L10-2 assume !!(main_~x~0 > 0);main_~y~0 := 0; 75#L12-2 [2019-11-28 02:58:46,669 INFO L796 eck$LassoCheckResult]: Loop: 75#L12-2 assume !!(main_~y~0 < main_~x~0);main_~y~0 := 1 + main_~y~0; 75#L12-2 [2019-11-28 02:58:46,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:46,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 02:58:46,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:46,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470851639] [2019-11-28 02:58:46,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:46,679 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:46,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:46,682 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-11-28 02:58:46,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:46,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224838510] [2019-11-28 02:58:46,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:46,700 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:46,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:46,703 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-11-28 02:58:46,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:46,704 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761634213] [2019-11-28 02:58:46,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:46,723 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:46,741 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:46,742 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:46,742 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:46,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:46,742 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:58:46,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:46,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:46,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration3_Loop [2019-11-28 02:58:46,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:46,749 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:46,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:46,812 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:46,812 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2019-11-28 02:58:46,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:46,820 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,826 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:46,826 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:46,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:46,840 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:46,845 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:46,846 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:46,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:46,865 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:46,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:58:46,886 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,013 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:58:47,015 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:47,015 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:47,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:47,016 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:47,016 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:58:47,016 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,016 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:47,016 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:47,016 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration3_Loop [2019-11-28 02:58:47,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:47,017 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:47,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,074 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:47,075 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:47,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:47,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:47,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:47,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:47,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:47,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:58:47,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:47,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:47,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:47,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:47,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:47,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:47,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,125 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 [2019-11-28 02:58:47,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:47,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:47,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:58:47,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:47,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:47,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:47,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:58:47,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:58:47,146 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:58:47,149 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 02:58:47,149 INFO L444 ModelExtractionUtils]: 1 out of 4 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,156 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:58:47,156 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:58:47,156 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:58:47,157 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-11-28 02:58:47,165 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,196 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:47,197 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 02:58:47,197 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-11-28 02:58:47,215 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 15 states and 20 transitions. Complement of second has 5 states. [2019-11-28 02:58:47,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:58:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 02:58:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 02:58:47,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-28 02:58:47,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-28 02:58:47,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 02:58:47,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2019-11-28 02:58:47,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:58:47,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 15 transitions. [2019-11-28 02:58:47,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 02:58:47,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-28 02:58:47,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2019-11-28 02:58:47,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:58:47,222 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-28 02:58:47,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2019-11-28 02:58:47,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 7. [2019-11-28 02:58:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 02:58:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-11-28 02:58:47,224 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-28 02:58:47,225 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-28 02:58:47,225 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 02:58:47,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2019-11-28 02:58:47,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 02:58:47,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:58:47,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:58:47,228 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2019-11-28 02:58:47,228 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 02:58:47,228 INFO L794 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 130#L10-2 assume !!(main_~x~0 > 0);main_~y~0 := 0; 127#L12-2 assume !!(main_~y~0 < main_~x~0);main_~y~0 := 1 + main_~y~0; 128#L12-2 assume !(main_~y~0 < main_~x~0); 132#L12-3 main_~x~0 := main_~x~0 - 1; 131#L10-2 assume !!(main_~x~0 > 0);main_~y~0 := 0; 126#L12-2 [2019-11-28 02:58:47,228 INFO L796 eck$LassoCheckResult]: Loop: 126#L12-2 assume !!(main_~y~0 < main_~x~0);main_~y~0 := 1 + main_~y~0; 126#L12-2 [2019-11-28 02:58:47,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:47,229 INFO L82 PathProgramCache]: Analyzing trace with hash 925951131, now seen corresponding path program 2 times [2019-11-28 02:58:47,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:47,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562194285] [2019-11-28 02:58:47,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:47,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562194285] [2019-11-28 02:58:47,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911138986] [2019-11-28 02:58:47,274 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,301 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 02:58:47,301 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:58:47,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:58:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:47,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:58:47,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2019-11-28 02:58:47,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703562321] [2019-11-28 02:58:47,325 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 02:58:47,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:47,325 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 2 times [2019-11-28 02:58:47,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:58:47,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982581093] [2019-11-28 02:58:47,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:58:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:58:47,345 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:58:47,358 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:47,358 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:47,358 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:47,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:47,358 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:58:47,359 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,359 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:47,359 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:47,359 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration4_Loop [2019-11-28 02:58:47,359 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:47,359 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:47,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,422 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:47,422 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:47,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:58:47,435 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:47,435 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:47,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:58:47,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:58:47,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:58:47,464 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:58:47,480 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,679 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:58:47,681 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:58:47,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:58:47,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:58:47,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:58:47,682 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:58:47,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:58:47,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:58:47,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaA1.c_Iteration4_Loop [2019-11-28 02:58:47,683 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:58:47,683 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:58:47,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:58:47,745 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:58:47,745 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:47,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:47,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:47,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:47,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:47,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:47,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,782 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:47,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:47,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:47,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:47,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:47,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:58:47,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,806 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:58:47,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:58:47,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:58:47,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:58:47,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:58:47,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:58:47,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:58:47,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,824 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:58:47,827 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 02:58:47,827 INFO L444 ModelExtractionUtils]: 1 out of 4 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:58:47,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:58:47,834 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:58:47,834 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:58:47,835 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~y~0 + 1*ULTIMATE.start_main_~x~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:58:47,843 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 02:58:47,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,873 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:47,874 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 02:58:47,874 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-28 02:58:47,892 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 13 states and 17 transitions. Complement of second has 5 states. [2019-11-28 02:58:47,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:58:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 02:58:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 02:58:47,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-28 02:58:47,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,894 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 02:58:47,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,927 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:47,928 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 02:58:47,928 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-28 02:58:47,940 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 13 states and 17 transitions. Complement of second has 5 states. [2019-11-28 02:58:47,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:58:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 02:58:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 02:58:47,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-28 02:58:47,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,942 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 02:58:47,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:58:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:58:47,974 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:58:47,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:58:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:58:47,975 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 02:58:47,975 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-28 02:58:47,991 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 10 states and 12 transitions. Complement of second has 4 states. [2019-11-28 02:58:47,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:58:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 02:58:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2019-11-28 02:58:47,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-28 02:58:47,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-28 02:58:47,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 02:58:47,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:58:47,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2019-11-28 02:58:47,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:58:47,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2019-11-28 02:58:47,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 02:58:47,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 02:58:47,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 02:58:47,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 02:58:47,997 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:47,997 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:47,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:58:47,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:58:47,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:58:47,998 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 6 states. [2019-11-28 02:58:47,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:58:47,999 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 02:58:47,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 02:58:47,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 02:58:48,000 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:58:48,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 02:58:48,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 02:58:48,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 02:58:48,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 02:58:48,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 02:58:48,001 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:48,001 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:48,001 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:58:48,001 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 02:58:48,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:58:48,002 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:58:48,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 02:58:48,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:58:48 BoogieIcfgContainer [2019-11-28 02:58:48,011 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 02:58:48,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:58:48,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:58:48,012 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:58:48,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:45" (3/4) ... [2019-11-28 02:58:48,016 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:58:48,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:58:48,020 INFO L168 Benchmark]: Toolchain (without parser) took 3023.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.4 MB in the beginning and 830.9 MB in the end (delta: 129.5 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:48,021 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:58:48,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.41 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:48,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.21 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:58:48,023 INFO L168 Benchmark]: Boogie Preprocessor took 75.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:48,024 INFO L168 Benchmark]: RCFGBuilder took 187.37 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:48,025 INFO L168 Benchmark]: BuchiAutomizer took 2464.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.9 MB in the end (delta: 292.7 MB). Peak memory consumption was 292.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:58:48,025 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 1.2 GB. Free memory is still 830.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:58:48,029 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.41 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 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 29.21 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 187.37 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2464.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.9 MB in the end (delta: 292.7 MB). Peak memory consumption was 292.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.40 ms. Allocated memory is still 1.2 GB. Free memory is still 830.9 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 3 locations. One deterministic module has affine ranking function x + -1 * y and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 20 SDtfs, 14 SDslu, 3 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax201 hnf98 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf93 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...