./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaB17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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/PastaB17.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 b15653f6a2dde479fee065502d45075dfcaf4f25 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:31:19,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:31:19,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:31:19,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:31:19,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:31:19,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:31:19,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:31:19,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:31:19,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:31:19,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:31:19,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:31:19,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:31:19,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:31:19,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:31:19,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:31:19,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:31:19,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:31:19,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:31:19,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:31:19,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:31:19,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:31:19,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:31:19,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:31:19,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:31:19,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:31:19,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:31:19,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:31:19,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:31:19,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:31:19,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:31:19,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:31:19,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:31:19,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:31:19,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:31:19,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:31:19,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:31:19,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:31:19,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:31:19,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:31:19,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:31:19,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:31:19,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:31:19,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:31:19,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:31:19,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:31:19,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:31:19,865 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:31:19,865 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:31:19,865 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:31:19,866 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:31:19,866 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:31:19,866 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:31:19,866 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:31:19,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:31:19,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:31:19,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:31:19,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:31:19,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:31:19,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:31:19,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:31:19,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:31:19,868 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:31:19,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:31:19,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:31:19,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:31:19,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:31:19,869 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:31:19,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:31:19,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:31:19,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:31:19,870 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:31:19,871 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:31:19,871 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 -> b15653f6a2dde479fee065502d45075dfcaf4f25 [2019-11-28 20:31:20,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:31:20,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:31:20,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:31:20,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:31:20,218 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:31:20,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaB17.c [2019-11-28 20:31:20,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933945b3c/88df8ecd8c964d90aa67eee362bd35db/FLAG39f065166 [2019-11-28 20:31:20,735 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:31:20,736 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB17.c [2019-11-28 20:31:20,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933945b3c/88df8ecd8c964d90aa67eee362bd35db/FLAG39f065166 [2019-11-28 20:31:21,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933945b3c/88df8ecd8c964d90aa67eee362bd35db [2019-11-28 20:31:21,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:31:21,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:31:21,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:31:21,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:31:21,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:31:21,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120696db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21, skipping insertion in model container [2019-11-28 20:31:21,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:31:21,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:31:21,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:31:21,317 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:31:21,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:31:21,342 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:31:21,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21 WrapperNode [2019-11-28 20:31:21,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:31:21,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:31:21,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:31:21,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:31:21,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:31:21,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:31:21,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:31:21,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:31:21,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (1/1) ... [2019-11-28 20:31:21,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:31:21,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:31:21,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:31:21,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:31:21,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (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 20:31:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:31:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:31:21,669 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:31:21,669 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-28 20:31:21,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:31:21 BoogieIcfgContainer [2019-11-28 20:31:21,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:31:21,672 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:31:21,672 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:31:21,675 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:31:21,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:31:21,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:31:21" (1/3) ... [2019-11-28 20:31:21,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16679bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:31:21, skipping insertion in model container [2019-11-28 20:31:21,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:31:21,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:31:21" (2/3) ... [2019-11-28 20:31:21,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16679bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:31:21, skipping insertion in model container [2019-11-28 20:31:21,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:31:21,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:31:21" (3/3) ... [2019-11-28 20:31:21,680 INFO L371 chiAutomizerObserver]: Analyzing ICFG PastaB17.c [2019-11-28 20:31:21,810 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:31:21,811 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:31:21,811 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:31:21,811 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:31:21,811 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:31:21,813 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:31:21,813 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:31:21,813 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:31:21,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 20:31:21,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:31:21,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:31:21,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:31:21,858 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:31:21,858 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:31:21,858 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:31:21,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 20:31:21,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:31:21,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:31:21,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:31:21,860 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:31:21,860 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:31:21,866 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L13-2true [2019-11-28 20:31:21,867 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 > main_~z~0); 7#L14-2true assume !(main_~y~0 > main_~z~0); 6#L14-3true main_~x~0 := main_~x~0 - 1; 5#L13-2true [2019-11-28 20:31:21,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:21,873 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 20:31:21,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:31:21,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377536759] [2019-11-28 20:31:21,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:31:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:21,982 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:31:21,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:21,984 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-11-28 20:31:21,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:31:21,984 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311439665] [2019-11-28 20:31:21,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:31:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:22,001 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:31:22,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:22,003 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-11-28 20:31:22,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:31:22,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66208550] [2019-11-28 20:31:22,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:31:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:22,020 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:31:22,117 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:31:22,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:31:22,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:31:22,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:31:22,119 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:31:22,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:22,120 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:31:22,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:31:22,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2019-11-28 20:31:22,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:31:22,121 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:31:22,152 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 20:31:22,176 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 20:31:22,182 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 20:31:22,319 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:31:22,320 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 20:31:22,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:31:22,330 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 20:31:22,341 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:31:22,342 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) [2019-11-28 20:31:22,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:31:22,359 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:22,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:31:22,367 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:22,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:31:22,380 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:22,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:31:22,404 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 20:31:22,649 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:31:22,651 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:31:22,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:31:22,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:31:22,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:31:22,652 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:31:22,652 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:22,652 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:31:22,652 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:31:22,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration1_Loop [2019-11-28 20:31:22,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:31:22,653 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:31:22,655 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 20:31:22,665 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 20:31:22,670 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 20:31:22,746 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:31:22,752 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 20:31:22,767 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 20:31:22,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:31:22,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:31:22,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:31:22,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:31:22,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:31:22,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:31:22,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:22,799 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 20:31:22,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:31:22,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:31:22,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:31:22,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:22,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:31:22,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:31:22,824 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) [2019-11-28 20:31:22,840 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 20:31:22,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:31:22,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:31:22,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:31:22,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:31:22,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:31:22,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:31:22,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:22,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:31:22,862 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 20:31:22,862 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:22,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:31:22,871 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:31:22,871 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:31:22,872 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:22,879 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:31:22,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:22,926 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:31:22,927 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:22,940 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:31:22,942 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:22,964 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 20:31:22,983 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 20:31:22,984 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-28 20:31:23,060 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. [2019-11-28 20:31:23,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:31:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:31:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-28 20:31:23,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-11-28 20:31:23,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:23,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-28 20:31:23,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:23,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-11-28 20:31:23,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:23,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-11-28 20:31:23,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:31:23,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-28 20:31:23,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 20:31:23,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 20:31:23,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-28 20:31:23,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:31:23,086 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:31:23,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-28 20:31:23,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-11-28 20:31:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-28 20:31:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-11-28 20:31:23,114 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-28 20:31:23,114 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-11-28 20:31:23,114 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:31:23,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-11-28 20:31:23,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 20:31:23,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:31:23,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:31:23,116 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:31:23,116 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 20:31:23,116 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 71#L13-2 assume !!(main_~x~0 > main_~z~0); 73#L14-2 [2019-11-28 20:31:23,116 INFO L796 eck$LassoCheckResult]: Loop: 73#L14-2 assume !!(main_~y~0 > main_~z~0);main_~y~0 := main_~y~0 - 1; 73#L14-2 [2019-11-28 20:31:23,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:23,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 20:31:23,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:31:23,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854662943] [2019-11-28 20:31:23,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:31:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:23,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:31:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:23,129 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-11-28 20:31:23,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:31:23,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361885810] [2019-11-28 20:31:23,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:31:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:23,138 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:31:23,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:23,139 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-11-28 20:31:23,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:31:23,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884440895] [2019-11-28 20:31:23,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:31:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:31:23,156 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:31:23,184 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:31:23,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:31:23,185 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:31:23,185 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:31:23,185 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:31:23,185 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:23,185 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:31:23,185 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:31:23,186 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2019-11-28 20:31:23,186 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:31:23,186 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:31:23,188 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 20:31:23,194 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 20:31:23,202 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 20:31:23,248 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:31:23,248 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 20:31:23,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:31:23,260 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 20:31:23,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:31:23,267 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:23,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:31:23,274 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:23,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:31:23,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:31:23,509 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:31:23,511 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:31:23,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:31:23,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:31:23,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:31:23,512 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:31:23,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:23,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:31:23,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:31:23,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB17.c_Iteration2_Loop [2019-11-28 20:31:23,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:31:23,514 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:31:23,515 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 20:31:23,519 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 20:31:23,525 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 20:31:23,575 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:31:23,576 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:23,586 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 20:31:23,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:31:23,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:31:23,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:31:23,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:31:23,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:31:23,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:31:23,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:23,606 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 20:31:23,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:31:23,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:31:23,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:31:23,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:31:23,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:31:23,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:31:23,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:31:23,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:31:23,624 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:31:23,624 INFO L444 ModelExtractionUtils]: 0 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:31:23,634 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:31:23,634 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:31:23,634 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:31:23,635 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:31:23,646 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:31:23,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:31:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:23,677 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:31:23,678 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:31:23,682 WARN L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:31:23,683 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:31:23,683 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 20:31:23,684 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 20:31:23,684 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-11-28 20:31:23,700 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. [2019-11-28 20:31:23,701 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 20:31:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 20:31:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-11-28 20:31:23,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-28 20:31:23,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:23,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-28 20:31:23,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:23,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 20:31:23,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:31:23,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-11-28 20:31:23,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:31:23,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-28 20:31:23,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:31:23,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:31:23,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:31:23,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:31:23,706 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:23,706 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:23,706 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:31:23,706 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:31:23,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:31:23,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:31:23,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:31:23,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:31:23 BoogieIcfgContainer [2019-11-28 20:31:23,715 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:31:23,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:31:23,717 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:31:23,718 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:31:23,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:31:21" (3/4) ... [2019-11-28 20:31:23,723 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:31:23,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:31:23,728 INFO L168 Benchmark]: Toolchain (without parser) took 2622.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 959.0 MB in the beginning and 908.4 MB in the end (delta: 50.7 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:23,729 INFO L168 Benchmark]: CDTParser took 0.21 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 20:31:23,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 948.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:23,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:23,740 INFO L168 Benchmark]: Boogie Preprocessor took 24.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:23,741 INFO L168 Benchmark]: RCFGBuilder took 215.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:23,742 INFO L168 Benchmark]: BuchiAutomizer took 2043.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 908.4 MB in the end (delta: 173.0 MB). Peak memory consumption was 173.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:31:23,743 INFO L168 Benchmark]: Witness Printer took 7.02 ms. Allocated memory is still 1.1 GB. Free memory is still 908.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:31:23,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 237.99 ms. Allocated memory is still 1.0 GB. Free memory was 959.0 MB in the beginning and 948.3 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 87.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 215.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2043.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 908.4 MB in the end (delta: 173.0 MB). Peak memory consumption was 173.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.02 ms. Allocated memory is still 1.1 GB. Free memory is still 908.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * z and consists of 5 locations. One deterministic module has affine ranking function y + -1 * z and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...