./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/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 7360833afd5a8b935377ce87ce4cc4a6584d3d0c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:33:31,723 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:33:31,724 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:33:31,730 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:33:31,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:33:31,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:33:31,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:33:31,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:33:31,734 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:33:31,734 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:33:31,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:33:31,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:33:31,735 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:33:31,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:33:31,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:33:31,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:33:31,738 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:33:31,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:33:31,740 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:33:31,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:33:31,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:33:31,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:33:31,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:33:31,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:33:31,744 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:33:31,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:33:31,745 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:33:31,745 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:33:31,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:33:31,746 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:33:31,746 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:33:31,747 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:33:31,747 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:33:31,747 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:33:31,748 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:33:31,748 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:33:31,748 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-09 08:33:31,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:33:31,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:33:31,757 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:33:31,757 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:33:31,757 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:33:31,757 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 08:33:31,758 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 08:33:31,758 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 08:33:31,758 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 08:33:31,758 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 08:33:31,758 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 08:33:31,758 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:33:31,758 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:33:31,759 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 08:33:31,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:33:31,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:33:31,760 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 08:33:31,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:33:31,760 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 08:33:31,760 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 08:33:31,761 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 08:33:31,761 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_81018d1a-6a6c-43a8-8e12-5424c14d4e92/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 -> 7360833afd5a8b935377ce87ce4cc4a6584d3d0c [2018-12-09 08:33:31,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:33:31,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:33:31,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:33:31,788 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:33:31,788 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:33:31,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca_true-termination.c.i [2018-12-09 08:33:31,823 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/data/d1b06a9ce/0af7c288ed3f445398beb74f72b8a207/FLAG27eecd5a7 [2018-12-09 08:33:32,195 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:33:32,196 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca_true-termination.c.i [2018-12-09 08:33:32,202 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/data/d1b06a9ce/0af7c288ed3f445398beb74f72b8a207/FLAG27eecd5a7 [2018-12-09 08:33:32,558 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/bin-2019/uautomizer/data/d1b06a9ce/0af7c288ed3f445398beb74f72b8a207 [2018-12-09 08:33:32,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:33:32,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:33:32,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:33:32,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:33:32,563 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:33:32,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513beff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32, skipping insertion in model container [2018-12-09 08:33:32,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:33:32,590 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:33:32,739 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:33:32,745 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:33:32,799 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:33:32,818 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:33:32,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32 WrapperNode [2018-12-09 08:33:32,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:33:32,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:33:32,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:33:32,819 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:33:32,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:33:32,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:33:32,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:33:32,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:33:32,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... [2018-12-09 08:33:32,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:33:32,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:33:32,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:33:32,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:33:32,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81018d1a-6a6c-43a8-8e12-5424c14d4e92/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 [2018-12-09 08:33:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:33:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 08:33:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 08:33:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 08:33:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:33:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:33:33,034 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:33:33,034 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 08:33:33,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:33:33 BoogieIcfgContainer [2018-12-09 08:33:33,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:33:33,035 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 08:33:33,035 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 08:33:33,037 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 08:33:33,038 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:33:33,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 08:33:32" (1/3) ... [2018-12-09 08:33:33,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ec3c8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:33:33, skipping insertion in model container [2018-12-09 08:33:33,039 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:33:33,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:32" (2/3) ... [2018-12-09 08:33:33,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ec3c8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:33:33, skipping insertion in model container [2018-12-09 08:33:33,039 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:33:33,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:33:33" (3/3) ... [2018-12-09 08:33:33,040 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca_true-termination.c.i [2018-12-09 08:33:33,072 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:33:33,072 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 08:33:33,072 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 08:33:33,073 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 08:33:33,073 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:33:33,073 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:33:33,073 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 08:33:33,073 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:33:33,073 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 08:33:33,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-12-09 08:33:33,094 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-09 08:33:33,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:33:33,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:33:33,098 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:33:33,098 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 08:33:33,098 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 08:33:33,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-12-09 08:33:33,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-09 08:33:33,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:33:33,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:33:33,100 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:33:33,100 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 08:33:33,104 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13.base, main_#t~ret13.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length2~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 4#L568true assume !(main_~length1~0 < 1); 6#L568-2true assume !(main_~length2~0 < 1); 21#L571-1true assume !(main_~n~0 < 1); 13#L574-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~dst.base, cstrncat_#in~dst.offset, cstrncat_#in~src.base, cstrncat_#in~src.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post5.base, cstrncat_#t~post5.offset, cstrncat_#t~mem6, cstrncat_#t~post7.base, cstrncat_#t~post7.offset, cstrncat_#t~pre4, cstrncat_~d~0.base, cstrncat_~d~0.offset, cstrncat_~s~0.base, cstrncat_~s~0.offset, cstrncat_~dst.base, cstrncat_~dst.offset, cstrncat_~src.base, cstrncat_~src.offset, cstrncat_~n;cstrncat_~dst.base, cstrncat_~dst.offset := cstrncat_#in~dst.base, cstrncat_#in~dst.offset;cstrncat_~src.base, cstrncat_~src.offset := cstrncat_#in~src.base, cstrncat_#in~src.offset;cstrncat_~n := cstrncat_#in~n; 18#L550true assume 0 != cstrncat_~n % 4294967296;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_~dst.base, cstrncat_~dst.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~src.base, cstrncat_~src.offset; 19#L553-3true [2018-12-09 08:33:33,105 INFO L796 eck$LassoCheckResult]: Loop: 19#L553-3true call cstrncat_#t~mem2 := read~int(cstrncat_~d~0.base, cstrncat_~d~0.offset, 1); 12#L553-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~d~0.base, cstrncat_~d~0.offset;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 19#L553-3true [2018-12-09 08:33:33,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:33,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939629, now seen corresponding path program 1 times [2018-12-09 08:33:33,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:33,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:33,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:33,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:33,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:33,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:33,198 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2018-12-09 08:33:33,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:33,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:33,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:33,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:33,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:33,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:33,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1302196946, now seen corresponding path program 1 times [2018-12-09 08:33:33,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:33,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:33,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:33,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:33,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:33,535 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 103 [2018-12-09 08:33:33,622 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:33:33,623 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:33:33,623 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:33:33,623 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:33:33,623 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 08:33:33,624 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:33:33,624 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:33:33,624 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:33:33,624 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca_true-termination.c.i_Iteration1_Lasso [2018-12-09 08:33:33,624 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:33:33,624 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:33:33,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,845 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2018-12-09 08:33:33,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:33,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:33:34,230 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:33:34,233 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 08:33:34,234 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 [2018-12-09 08:33:34,235 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,236 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,237 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,238 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,239 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 [2018-12-09 08:33:34,239 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,240 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,240 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,247 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,248 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 [2018-12-09 08:33:34,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,249 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,249 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,252 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:33:34,252 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 08:33:34,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,255 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 [2018-12-09 08:33:34,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,255 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,255 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,256 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,256 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,256 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 [2018-12-09 08:33:34,257 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,257 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,258 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:33:34,258 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 08:33:34,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,263 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 [2018-12-09 08:33:34,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,264 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,265 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,265 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,266 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,266 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 [2018-12-09 08:33:34,266 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,266 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,267 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,267 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,268 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 [2018-12-09 08:33:34,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,269 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,269 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,270 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,270 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 [2018-12-09 08:33:34,271 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,271 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,272 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,272 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,273 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 [2018-12-09 08:33:34,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,274 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,275 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:33:34,275 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 08:33:34,278 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,278 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 [2018-12-09 08:33:34,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,279 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,279 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,279 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,279 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,280 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 [2018-12-09 08:33:34,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,281 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,282 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,283 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 [2018-12-09 08:33:34,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,284 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,285 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 [2018-12-09 08:33:34,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:33:34,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,286 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,287 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:33:34,287 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:33:34,287 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:33:34,288 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 [2018-12-09 08:33:34,288 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:33:34,288 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:33:34,288 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:33:34,288 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:33:34,293 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:33:34,293 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 08:33:34,324 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 08:33:34,337 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-09 08:33:34,338 INFO L444 ModelExtractionUtils]: 38 out of 43 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-12-09 08:33:34,339 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 08:33:34,340 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-09 08:33:34,340 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 08:33:34,340 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1, ULTIMATE.start_cstrncat_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 - 1*ULTIMATE.start_cstrncat_~d~0.offset Supporting invariants [] [2018-12-09 08:33:34,360 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2018-12-09 08:33:34,366 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 08:33:34,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:33:34,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:33:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:33:34,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:33:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:33:34,450 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 08:33:34,451 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 4 states. [2018-12-09 08:33:34,512 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 4 states. Result 46 states and 61 transitions. Complement of second has 9 states. [2018-12-09 08:33:34,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-09 08:33:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 08:33:34,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2018-12-09 08:33:34,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 2 letters. [2018-12-09 08:33:34,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 08:33:34,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 2 letters. [2018-12-09 08:33:34,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 08:33:34,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 7 letters. Loop has 4 letters. [2018-12-09 08:33:34,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 08:33:34,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 61 transitions. [2018-12-09 08:33:34,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 08:33:34,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2018-12-09 08:33:34,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 08:33:34,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 08:33:34,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 08:33:34,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:33:34,524 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:33:34,524 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:33:34,524 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:33:34,524 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 08:33:34,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 08:33:34,525 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 08:33:34,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 08:33:34,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 08:33:34 BoogieIcfgContainer [2018-12-09 08:33:34,530 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 08:33:34,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:33:34,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:33:34,530 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:33:34,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:33:33" (3/4) ... [2018-12-09 08:33:34,533 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 08:33:34,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:33:34,534 INFO L168 Benchmark]: Toolchain (without parser) took 1974.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:34,535 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:33:34,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -117.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:34,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:34,536 INFO L168 Benchmark]: Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:33:34,537 INFO L168 Benchmark]: RCFGBuilder took 175.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:34,537 INFO L168 Benchmark]: BuchiAutomizer took 1494.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -78.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:34,538 INFO L168 Benchmark]: Witness Printer took 3.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:33:34,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -117.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 175.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1494.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -78.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * d and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 19 SDtfs, 21 SDslu, 19 SDs, 0 SdLazy, 17 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax108 hnf98 lsp89 ukn77 mio100 lsp43 div157 bol100 ite100 ukn100 eq169 hnf72 smp94 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...