./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.09_assume_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.09_assume_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer --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 145bff7821ba03c3965b8afb96a736402f15a5da ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:33:16,713 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:33:16,714 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:33:16,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:33:16,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:33:16,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:33:16,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:33:16,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:33:16,726 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:33:16,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:33:16,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:33:16,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:33:16,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:33:16,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:33:16,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:33:16,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:33:16,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:33:16,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:33:16,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:33:16,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:33:16,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:33:16,735 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:33:16,736 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:33:16,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:33:16,737 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:33:16,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:33:16,738 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:33:16,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:33:16,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:33:16,740 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:33:16,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:33:16,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:33:16,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:33:16,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:33:16,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:33:16,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:33:16,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 13:33:16,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:33:16,751 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:33:16,752 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:33:16,752 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:33:16,752 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:33:16,753 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:33:16,753 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:33:16,753 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:33:16,753 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:33:16,753 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:33:16,753 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:33:16,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:33:16,754 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:33:16,754 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:33:16,754 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:33:16,754 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:33:16,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:33:16,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:33:16,755 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:33:16,755 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:33:16,755 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:33:16,755 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:33:16,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:33:16,755 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:33:16,755 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:33:16,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:33:16,756 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:33:16,756 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:33:16,757 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:33:16,757 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer 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 -> 145bff7821ba03c3965b8afb96a736402f15a5da [2018-11-28 13:33:16,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:33:16,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:33:16,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:33:16,793 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:33:16,794 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:33:16,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/a.09_assume_true-termination_true-no-overflow.c [2018-11-28 13:33:16,841 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/data/edb2bc1e5/ada70f0649b949898f61b917085adf3a/FLAGf01376d85 [2018-11-28 13:33:17,178 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:33:17,179 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/sv-benchmarks/c/termination-restricted-15/a.09_assume_true-termination_true-no-overflow.c [2018-11-28 13:33:17,184 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/data/edb2bc1e5/ada70f0649b949898f61b917085adf3a/FLAGf01376d85 [2018-11-28 13:33:17,603 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/data/edb2bc1e5/ada70f0649b949898f61b917085adf3a [2018-11-28 13:33:17,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:33:17,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:33:17,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:33:17,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:33:17,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:33:17,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c944d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17, skipping insertion in model container [2018-11-28 13:33:17,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:33:17,627 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:33:17,721 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:33:17,724 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:33:17,734 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:33:17,742 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:33:17,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17 WrapperNode [2018-11-28 13:33:17,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:33:17,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:33:17,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:33:17,743 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:33:17,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:33:17,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:33:17,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:33:17,763 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:33:17,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... [2018-11-28 13:33:17,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:33:17,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:33:17,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:33:17,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:33:17,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/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 [2018-11-28 13:33:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:33:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:33:17,917 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:33:17,917 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 13:33:17,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:33:17 BoogieIcfgContainer [2018-11-28 13:33:17,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:33:17,918 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:33:17,918 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:33:17,920 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:33:17,921 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:33:17,921 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:33:17" (1/3) ... [2018-11-28 13:33:17,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@409af930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:33:17, skipping insertion in model container [2018-11-28 13:33:17,921 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:33:17,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:33:17" (2/3) ... [2018-11-28 13:33:17,922 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@409af930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:33:17, skipping insertion in model container [2018-11-28 13:33:17,922 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:33:17,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:33:17" (3/3) ... [2018-11-28 13:33:17,923 INFO L375 chiAutomizerObserver]: Analyzing ICFG a.09_assume_true-termination_true-no-overflow.c [2018-11-28 13:33:17,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:33:17,968 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:33:17,968 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:33:17,968 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:33:17,968 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:33:17,968 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:33:17,969 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:33:17,969 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:33:17,969 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:33:17,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 13:33:17,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 13:33:17,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:33:17,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:33:17,996 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:33:17,996 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 13:33:17,996 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:33:17,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 13:33:17,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 13:33:17,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:33:17,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:33:17,997 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 13:33:17,997 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 13:33:18,004 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 7#L10-2true [2018-11-28 13:33:18,004 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!((main_~y~0 > 0 && main_~x~0 >= main_~z~0) && main_~z~0 <= 2147483647 - main_~y~0);main_~z~0 := main_~z~0 + main_~y~0; 7#L10-2true [2018-11-28 13:33:18,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:33:18,009 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 13:33:18,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:33:18,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:33:18,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:33:18,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:33:18,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:33:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:33:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:33:18,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:33:18,072 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 13:33:18,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:33:18,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:33:18,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:33:18,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:33:18,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:33:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:33:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:33:18,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:33:18,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 13:33:18,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:33:18,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:33:18,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:33:18,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:33:18,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:33:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:33:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:33:18,134 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:33:18,135 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:33:18,135 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:33:18,135 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:33:18,135 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 13:33:18,135 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:33:18,135 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:33:18,136 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:33:18,136 INFO L131 ssoRankerPreferences]: Filename of dumped script: a.09_assume_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 13:33:18,136 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:33:18,136 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:33:18,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:33:18,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:33:18,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:33:18,269 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:33:18,269 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/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 [2018-11-28 13:33:18,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 13:33:18,272 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25bf9768-f6f4-4e19-ba04-44c3bf143585/bin-2019/uautomizer/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 [2018-11-28 13:33:18,300 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 13:33:18,300 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 13:33:30,471 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 13:33:30,486 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:33:30,486 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:33:30,486 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:33:30,486 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:33:30,486 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:33:30,486 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:33:30,486 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:33:30,487 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:33:30,487 INFO L131 ssoRankerPreferences]: Filename of dumped script: a.09_assume_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 13:33:30,487 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:33:30,487 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:33:30,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:33:30,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:33:30,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:33:30,551 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:33:30,554 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:33:30,555 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 [2018-11-28 13:33:30,556 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:33:30,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:33:30,557 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:33:30,557 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:33:30,558 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:33:30,559 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:33:30,560 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:33:30,568 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:33:30,575 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 13:33:30,576 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 13:33:30,577 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:33:30,577 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 13:33:30,578 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:33:30,578 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 4294967293 Supporting invariants [] [2018-11-28 13:33:30,579 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 13:33:30,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:33:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:33:30,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:33:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:33:30,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:33:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:33:30,619 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 [2018-11-28 13:33:30,620 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2018-11-28 13:33:30,648 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2018-11-28 13:33:30,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 13:33:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-28 13:33:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2018-11-28 13:33:30,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2018-11-28 13:33:30,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:33:30,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2018-11-28 13:33:30,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:33:30,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-28 13:33:30,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:33:30,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2018-11-28 13:33:30,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:33:30,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-11-28 13:33:30,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:33:30,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:33:30,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:33:30,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:33:30,656 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:33:30,656 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:33:30,656 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:33:30,656 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:33:30,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:33:30,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:33:30,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:33:30,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:33:30 BoogieIcfgContainer [2018-11-28 13:33:30,661 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:33:30,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:33:30,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:33:30,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:33:30,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:33:17" (3/4) ... [2018-11-28 13:33:30,663 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:33:30,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:33:30,664 INFO L168 Benchmark]: Toolchain (without parser) took 13057.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -92.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:33:30,665 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:33:30,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.96 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:33:30,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.86 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:33:30,666 INFO L168 Benchmark]: Boogie Preprocessor took 10.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:33:30,667 INFO L168 Benchmark]: RCFGBuilder took 143.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:33:30,667 INFO L168 Benchmark]: BuchiAutomizer took 12742.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:33:30,668 INFO L168 Benchmark]: Witness Printer took 2.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:33:30,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.96 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 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 19.86 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12742.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * z + 4294967293 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq133 hnf95 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...