./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/PastaB16_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/termination-restricted-15/PastaB16_true-termination_true-no-overflow.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 ee984bca7200ddfe2e041842f64b6ddcaef24aa5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:37:24,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:37:24,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:37:24,567 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:37:24,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:37:24,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:37:24,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:37:24,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:37:24,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:37:24,576 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:37:24,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:37:24,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:37:24,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:37:24,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:37:24,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:37:24,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:37:24,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:37:24,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:37:24,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:37:24,589 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:37:24,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:37:24,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:37:24,601 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:37:24,602 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:37:24,602 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:37:24,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:37:24,604 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:37:24,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:37:24,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:37:24,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:37:24,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:37:24,614 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:37:24,614 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:37:24,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:37:24,615 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:37:24,616 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:37:24,616 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:37:24,635 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:37:24,636 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:37:24,637 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:37:24,637 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:37:24,637 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:37:24,638 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:37:24,638 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:37:24,638 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:37:24,638 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:37:24,638 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:37:24,638 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:37:24,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:37:24,639 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:37:24,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:37:24,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:37:24,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:37:24,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:37:24,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:37:24,640 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:37:24,640 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:37:24,640 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:37:24,640 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:37:24,641 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:37:24,641 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:37:24,641 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:37:24,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:37:24,641 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:37:24,642 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:37:24,643 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:37:24,651 INFO L133 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 -> ee984bca7200ddfe2e041842f64b6ddcaef24aa5 [2019-01-01 21:37:24,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:37:24,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:37:24,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:37:24,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:37:24,755 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:37:24,756 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/PastaB16_true-termination_true-no-overflow.c [2019-01-01 21:37:24,849 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eada120d/4066c4f6ff4c449dbfddd68a1c9a202d/FLAGe53577a83 [2019-01-01 21:37:25,293 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:37:25,294 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/PastaB16_true-termination_true-no-overflow.c [2019-01-01 21:37:25,301 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eada120d/4066c4f6ff4c449dbfddd68a1c9a202d/FLAGe53577a83 [2019-01-01 21:37:25,671 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eada120d/4066c4f6ff4c449dbfddd68a1c9a202d [2019-01-01 21:37:25,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:37:25,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:37:25,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:37:25,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:37:25,683 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:37:25,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:37:25" (1/1) ... [2019-01-01 21:37:25,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1509bd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:25, skipping insertion in model container [2019-01-01 21:37:25,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:37:25" (1/1) ... [2019-01-01 21:37:25,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:37:25,726 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:37:25,967 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:37:25,974 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:37:26,000 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:37:26,021 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:37:26,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26 WrapperNode [2019-01-01 21:37:26,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:37:26,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:37:26,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:37:26,023 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:37:26,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:37:26,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:37:26,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:37:26,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:37:26,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (1/1) ... [2019-01-01 21:37:26,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:37:26,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:37:26,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:37:26,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:37:26,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (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 [2019-01-01 21:37:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:37:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:37:26,468 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:37:26,469 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 21:37:26,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:37:26 BoogieIcfgContainer [2019-01-01 21:37:26,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:37:26,471 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:37:26,471 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:37:26,476 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:37:26,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:37:26,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:37:25" (1/3) ... [2019-01-01 21:37:26,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aca3544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:37:26, skipping insertion in model container [2019-01-01 21:37:26,479 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:37:26,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:37:26" (2/3) ... [2019-01-01 21:37:26,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4aca3544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:37:26, skipping insertion in model container [2019-01-01 21:37:26,480 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:37:26,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:37:26" (3/3) ... [2019-01-01 21:37:26,483 INFO L375 chiAutomizerObserver]: Analyzing ICFG PastaB16_true-termination_true-no-overflow.c [2019-01-01 21:37:26,576 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:37:26,577 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:37:26,577 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:37:26,577 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:37:26,578 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:37:26,578 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:37:26,578 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:37:26,578 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:37:26,579 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:37:26,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-01 21:37:26,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:37:26,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:37:26,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:37:26,644 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:37:26,645 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:37:26,645 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:37:26,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-01 21:37:26,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:37:26,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:37:26,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:37:26,648 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:37:26,648 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:37:26,660 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 9#L11-2true [2019-01-01 21:37:26,661 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 > 0); 3#L12-2true assume !(main_~y~0 > 0); 10#L12-3true main_~x~0 := main_~x~0 - 1; 9#L11-2true [2019-01-01 21:37:26,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:26,676 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 21:37:26,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:37:26,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:37:26,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:26,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:37:26,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:26,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:26,838 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-01-01 21:37:26,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:37:26,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:37:26,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:26,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:37:26,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:26,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:26,866 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-01-01 21:37:26,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:37:26,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:37:26,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:26,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:37:26,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:27,034 WARN L181 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 21:37:27,114 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:37:27,115 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:37:27,115 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:37:27,115 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:37:27,116 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:37:27,116 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:27,116 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:37:27,116 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:37:27,116 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB16_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:37:27,116 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:37:27,117 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:37:27,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,395 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:37:27,396 INFO L412 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:27,409 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:37:27,410 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:37:27,453 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:37:27,453 INFO L448 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 [2019-01-01 21:37:27,460 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:37:27,461 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:37:27,484 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:37:27,484 INFO L448 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 [2019-01-01 21:37:27,490 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:37:27,491 INFO L163 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:27,521 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:37:27,521 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:37:27,572 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:37:27,575 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:37:27,576 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:37:27,576 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:37:27,576 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:37:27,576 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:37:27,576 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:27,576 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:37:27,577 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:37:27,577 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB16_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:37:27,577 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:37:27,577 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:37:27,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:27,926 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:37:27,932 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:37:27,934 INFO L122 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 [2019-01-01 21:37:27,936 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:37:27,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:37:27,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:37:27,937 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:37:27,943 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:37:27,943 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:37:27,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:37:27,956 INFO L122 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 [2019-01-01 21:37:27,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:37:27,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:37:27,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:37:27,959 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:37:27,963 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:37:27,963 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:37:27,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:37:27,975 INFO L122 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 [2019-01-01 21:37:27,976 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:37:27,976 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:37:27,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:37:27,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:37:27,979 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:37:27,980 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:37:27,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:37:27,988 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:37:27,993 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 21:37:27,993 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 21:37:27,996 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:37:27,997 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 21:37:27,997 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:37:27,998 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-01-01 21:37:28,000 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 21:37:28,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:37:28,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:37:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:37:28,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:37:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:37:28,205 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 [2019-01-01 21:37:28,207 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-01-01 21:37:28,369 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-01-01 21:37:28,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 21:37:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-01 21:37:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-01-01 21:37:28,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-01-01 21:37:28,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:37:28,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-01-01 21:37:28,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:37:28,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-01-01 21:37:28,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:37:28,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-01-01 21:37:28,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:37:28,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-01-01 21:37:28,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-01-01 21:37:28,399 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-01-01 21:37:28,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-01-01 21:37:28,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 21:37:28,401 INFO L705 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-01-01 21:37:28,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-01-01 21:37:28,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-01-01 21:37:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-01 21:37:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-01-01 21:37:28,441 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-01-01 21:37:28,441 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-01-01 21:37:28,441 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:37:28,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-01-01 21:37:28,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:37:28,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:37:28,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:37:28,444 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 21:37:28,444 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:37:28,444 INFO L794 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 74#L11-2 assume !!(main_~x~0 > 0); 70#L12-2 [2019-01-01 21:37:28,444 INFO L796 eck$LassoCheckResult]: Loop: 70#L12-2 assume !!(main_~y~0 > 0);main_~y~0 := main_~y~0 - 1; 70#L12-2 [2019-01-01 21:37:28,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:28,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 21:37:28,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:37:28,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:37:28,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:28,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:37:28,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:28,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:28,458 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-01-01 21:37:28,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:37:28,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:37:28,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:28,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:37:28,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:28,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:28,472 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-01-01 21:37:28,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:37:28,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:37:28,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:28,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:37:28,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:37:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:37:28,667 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:37:28,667 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:37:28,667 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:37:28,667 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:37:28,668 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:37:28,668 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:28,668 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:37:28,668 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:37:28,668 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB16_true-termination_true-no-overflow.c_Iteration2_Loop [2019-01-01 21:37:28,668 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:37:28,668 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:37:28,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:28,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:28,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:28,872 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:37:28,873 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:28,878 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:37:28,878 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:37:28,901 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:37:28,901 INFO L448 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 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 [2019-01-01 21:37:28,907 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:37:28,908 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:37:28,929 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:37:28,929 INFO L448 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 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 [2019-01-01 21:37:28,942 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:37:28,942 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:28,972 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:37:28,973 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:37:28,997 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:37:28,999 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:37:29,000 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:37:29,000 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:37:29,000 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:37:29,000 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:37:29,001 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:37:29,001 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:37:29,001 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:37:29,001 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB16_true-termination_true-no-overflow.c_Iteration2_Loop [2019-01-01 21:37:29,001 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:37:29,001 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:37:29,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:29,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:29,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:37:29,106 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:37:29,107 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:37:29,107 INFO L122 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 [2019-01-01 21:37:29,109 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:37:29,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:37:29,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:37:29,110 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:37:29,113 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:37:29,113 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:37:29,126 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:37:29,129 INFO L122 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 [2019-01-01 21:37:29,130 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:37:29,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:37:29,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:37:29,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:37:29,133 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:37:29,134 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:37:29,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:37:29,150 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:37:29,156 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 21:37:29,157 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 21:37:29,157 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:37:29,158 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 21:37:29,158 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:37:29,158 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-01-01 21:37:29,159 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 21:37:29,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:37:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:37:29,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:37:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:37:29,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:37:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:37:29,244 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 [2019-01-01 21:37:29,245 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-01-01 21:37:29,303 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 4 states. [2019-01-01 21:37:29,307 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 [2019-01-01 21:37:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-01 21:37:29,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-01-01 21:37:29,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2019-01-01 21:37:29,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:37:29,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2019-01-01 21:37:29,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:37:29,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-01 21:37:29,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:37:29,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-01-01 21:37:29,315 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:37:29,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-01-01 21:37:29,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:37:29,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:37:29,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:37:29,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:37:29,318 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:37:29,318 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:37:29,320 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:37:29,320 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 21:37:29,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:37:29,321 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:37:29,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:37:29,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:37:29 BoogieIcfgContainer [2019-01-01 21:37:29,332 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:37:29,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:37:29,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:37:29,333 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:37:29,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:37:26" (3/4) ... [2019-01-01 21:37:29,341 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:37:29,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:37:29,343 INFO L168 Benchmark]: Toolchain (without parser) took 3667.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 951.4 MB in the beginning and 924.8 MB in the end (delta: 26.5 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2019-01-01 21:37:29,345 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:37:29,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 939.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-01 21:37:29,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.41 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:37:29,348 INFO L168 Benchmark]: Boogie Preprocessor took 30.00 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:37:29,350 INFO L168 Benchmark]: RCFGBuilder took 361.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 21:37:29,351 INFO L168 Benchmark]: BuchiAutomizer took 2861.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 133.9 MB). Peak memory consumption was 133.9 MB. Max. memory is 11.5 GB. [2019-01-01 21:37:29,353 INFO L168 Benchmark]: Witness Printer took 9.03 ms. Allocated memory is still 1.1 GB. Free memory is still 924.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:37:29,359 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 939.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.41 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.00 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 361.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2861.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 133.9 MB). Peak memory consumption was 133.9 MB. Max. memory is 11.5 GB. * Witness Printer took 9.03 ms. Allocated memory is still 1.1 GB. Free memory is still 924.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 10 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp42 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...