./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i --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_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/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 f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:11:19,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:11:19,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:11:19,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:11:19,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:11:19,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:11:19,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:11:19,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:11:19,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:11:19,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:11:19,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:11:19,669 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:11:19,670 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:11:19,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:11:19,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:11:19,672 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:11:19,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:11:19,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:11:19,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:11:19,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:11:19,678 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:11:19,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:11:19,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:11:19,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:11:19,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:11:19,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:11:19,682 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:11:19,683 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:11:19,683 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:11:19,684 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:11:19,684 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:11:19,685 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:11:19,685 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:11:19,685 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:11:19,686 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:11:19,686 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:11:19,686 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 13:11:19,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:11:19,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:11:19,699 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:11:19,699 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:11:19,699 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:11:19,700 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:11:19,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:11:19,700 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:11:19,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:11:19,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:11:19,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:11:19,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:11:19,701 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:11:19,701 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:11:19,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:11:19,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:11:19,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:11:19,702 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:11:19,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:11:19,702 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:11:19,702 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:11:19,703 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:11:19,703 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_c0b9c7e7-257d-4b13-94cf-e02c65538d28/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 -> f577c5fd99a9f52b5477a86a5fb8e6bf1cd33237 [2018-11-28 13:11:19,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:11:19,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:11:19,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:11:19,742 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:11:19,742 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:11:19,743 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/../../sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i [2018-11-28 13:11:19,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/data/0347b3ddc/cae264a8680c4f3ba37ac9608aa44fbb/FLAG9cd56c8c1 [2018-11-28 13:11:20,171 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:11:20,171 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i [2018-11-28 13:11:20,181 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/data/0347b3ddc/cae264a8680c4f3ba37ac9608aa44fbb/FLAG9cd56c8c1 [2018-11-28 13:11:20,554 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/bin-2019/uautomizer/data/0347b3ddc/cae264a8680c4f3ba37ac9608aa44fbb [2018-11-28 13:11:20,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:11:20,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:11:20,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:11:20,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:11:20,562 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:11:20,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c199bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20, skipping insertion in model container [2018-11-28 13:11:20,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:11:20,600 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:11:20,779 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:11:20,785 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:11:20,863 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:11:20,887 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:11:20,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20 WrapperNode [2018-11-28 13:11:20,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:11:20,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:11:20,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:11:20,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:11:20,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:11:20,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:11:20,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:11:20,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:11:20,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... [2018-11-28 13:11:20,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:11:20,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:11:20,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:11:20,938 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:11:20,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b9c7e7-257d-4b13-94cf-e02c65538d28/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 13:11:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:11:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:11:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:11:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:11:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:11:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:11:21,154 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:11:21,154 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 13:11:21,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:11:21 BoogieIcfgContainer [2018-11-28 13:11:21,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:11:21,155 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:11:21,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:11:21,158 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:11:21,159 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:11:21,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:11:20" (1/3) ... [2018-11-28 13:11:21,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e4cd94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:11:21, skipping insertion in model container [2018-11-28 13:11:21,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:11:21,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:20" (2/3) ... [2018-11-28 13:11:21,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e4cd94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:11:21, skipping insertion in model container [2018-11-28 13:11:21,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:11:21,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:11:21" (3/3) ... [2018-11-28 13:11:21,164 INFO L375 chiAutomizerObserver]: Analyzing ICFG atol_true-termination.c.i [2018-11-28 13:11:21,211 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:11:21,212 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:11:21,212 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:11:21,212 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:11:21,212 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:11:21,212 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:11:21,212 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:11:21,212 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:11:21,212 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:11:21,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-28 13:11:21,240 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-28 13:11:21,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:11:21,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:11:21,245 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 13:11:21,246 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 13:11:21,246 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:11:21,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-28 13:11:21,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-28 13:11:21,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:11:21,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:11:21,248 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 13:11:21,248 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 13:11:21,255 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atol_#in~s.base, atol_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atol_#res;havoc atol_#t~pre3.base, atol_#t~pre3.offset, atol_#t~mem2, atol_#t~mem4, atol_#t~switch5, atol_#t~pre6.base, atol_#t~pre6.offset, atol_#t~mem10, atol_#t~pre11.base, atol_#t~pre11.offset, atol_#t~mem7, atol_#t~mem8, atol_#t~short9, atol_#t~ite12, atol_~s.base, atol_~s.offset, atol_~v~0, atol_~sign~0;atol_~s.base, atol_~s.offset := atol_#in~s.base, atol_#in~s.offset;atol_~v~0 := 0;atol_~sign~0 := 0; 21#L509-3true [2018-11-28 13:11:21,255 INFO L796 eck$LassoCheckResult]: Loop: 21#L509-3true call atol_#t~mem2 := read~int(atol_~s.base, atol_~s.offset, 1); 17#L509-1true assume !!(32 == atol_#t~mem2);havoc atol_#t~mem2;atol_#t~pre3.base, atol_#t~pre3.offset := atol_~s.base, 1 + atol_~s.offset;atol_~s.base, atol_~s.offset := atol_~s.base, 1 + atol_~s.offset;havoc atol_#t~pre3.base, atol_#t~pre3.offset; 21#L509-3true [2018-11-28 13:11:21,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:21,260 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-28 13:11:21,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:21,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:21,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:21,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:11:21,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:21,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:21,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2018-11-28 13:11:21,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:21,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:21,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:21,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:11:21,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:21,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:21,371 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2018-11-28 13:11:21,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:21,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:21,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:21,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:11:21,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:21,594 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-11-28 13:11:21,681 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:11:21,682 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:11:21,683 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:11:21,683 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:11:21,683 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:11:21,683 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:11:21,683 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:11:21,683 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:11:21,683 INFO L131 ssoRankerPreferences]: Filename of dumped script: atol_true-termination.c.i_Iteration1_Lasso [2018-11-28 13:11:21,684 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:11:21,684 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:11:21,704 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 13:11:21,709 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 13:11:21,711 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 13:11:21,712 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 13:11:21,715 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 13:11:21,722 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 13:11:21,724 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 13:11:21,726 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 13:11:21,728 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 13:11:21,730 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 13:11:21,732 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 13:11:21,873 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 13:11:21,874 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 13:11:21,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:11:21,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:11:21,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:11:21,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:11:21,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:11:21,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:11:21,885 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 13:11:21,886 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 13:11:21,888 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 13:11:21,890 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 13:11:22,141 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:11:22,144 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:11:22,146 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 13:11:22,147 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:11:22,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,148 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,149 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:11:22,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:11:22,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,151 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 13:11:22,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:11:22,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,152 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,152 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:11:22,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:11:22,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,154 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 13:11:22,156 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:11:22,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,156 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,157 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:11:22,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:11:22,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,158 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 13:11:22,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,159 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,159 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,161 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:11:22,161 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:11:22,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,165 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 13:11:22,166 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:11:22,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,167 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,167 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:11:22,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:11:22,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,168 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 13:11:22,169 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,169 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,171 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:11:22,171 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:11:22,175 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,176 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 13:11:22,176 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,177 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,179 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:11:22,179 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:11:22,182 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,182 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 13:11:22,183 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,183 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:11:22,183 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,183 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,183 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,184 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:11:22,184 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:11:22,184 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,185 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 13:11:22,185 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,185 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:11:22,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,186 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:11:22,186 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:11:22,187 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,187 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 13:11:22,188 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,188 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,190 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:11:22,190 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:11:22,193 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:11:22,194 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 13:11:22,194 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:11:22,195 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:11:22,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:11:22,195 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:11:22,200 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:11:22,200 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:11:22,233 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:11:22,264 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 13:11:22,264 INFO L444 ModelExtractionUtils]: 18 out of 25 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-28 13:11:22,266 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:11:22,267 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 13:11:22,268 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:11:22,268 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atol_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1) = -1*ULTIMATE.start_atol_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 Supporting invariants [] [2018-11-28 13:11:22,291 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-11-28 13:11:22,297 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 13:11:22,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:11:22,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:11:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:11:22,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:11:22,368 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 13:11:22,380 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 13:11:22,381 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2018-11-28 13:11:22,446 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 54 states and 76 transitions. Complement of second has 8 states. [2018-11-28 13:11:22,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 13:11:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 13:11:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-11-28 13:11:22,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-28 13:11:22,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:11:22,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 13:11:22,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:11:22,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-28 13:11:22,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:11:22,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2018-11-28 13:11:22,454 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:11:22,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-11-28 13:11:22,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:11:22,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:11:22,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:11:22,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:11:22,458 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:11:22,458 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:11:22,458 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:11:22,458 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:11:22,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:11:22,458 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:11:22,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:11:22,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:11:22 BoogieIcfgContainer [2018-11-28 13:11:22,463 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:11:22,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:11:22,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:11:22,463 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:11:22,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:11:21" (3/4) ... [2018-11-28 13:11:22,466 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:11:22,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:11:22,467 INFO L168 Benchmark]: Toolchain (without parser) took 1909.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 931.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 160.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:22,467 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:11:22,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:22,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:22,469 INFO L168 Benchmark]: Boogie Preprocessor took 16.70 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. [2018-11-28 13:11:22,470 INFO L168 Benchmark]: RCFGBuilder took 216.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:22,470 INFO L168 Benchmark]: BuchiAutomizer took 1307.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.9 MB in the end (delta: 176.7 MB). Peak memory consumption was 176.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:22,471 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.2 GB. Free memory is still 931.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:11:22,474 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.70 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. * RCFGBuilder took 216.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1307.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.9 MB in the end (delta: 176.7 MB). Peak memory consumption was 176.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.2 GB. Free memory is still 931.9 MB. 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 -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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: 17 SDtfs, 20 SDslu, 12 SDs, 0 SdLazy, 15 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital110 mio100 ax100 hnf99 lsp88 ukn90 mio100 lsp47 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 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...