./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/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_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/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-aa41828 [2018-11-23 07:14:56,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:14:56,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:14:56,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:14:56,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:14:56,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:14:56,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:14:56,870 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:14:56,871 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:14:56,872 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:14:56,872 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:14:56,872 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:14:56,873 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:14:56,874 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:14:56,874 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:14:56,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:14:56,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:14:56,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:14:56,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:14:56,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:14:56,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:14:56,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:14:56,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:14:56,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:14:56,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:14:56,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:14:56,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:14:56,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:14:56,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:14:56,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:14:56,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:14:56,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:14:56,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:14:56,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:14:56,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:14:56,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:14:56,886 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 07:14:56,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:14:56,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:14:56,894 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:14:56,895 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:14:56,895 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:14:56,895 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 07:14:56,895 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 07:14:56,895 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 07:14:56,895 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 07:14:56,895 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 07:14:56,895 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 07:14:56,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:14:56,896 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:14:56,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:14:56,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:14:56,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 07:14:56,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 07:14:56,896 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 07:14:56,896 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:14:56,897 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 07:14:56,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:14:56,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 07:14:56,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:14:56,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:14:56,897 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 07:14:56,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:14:56,897 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:14:56,898 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 07:14:56,898 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 07:14:56,899 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_2f8637c3-d63a-4e0a-82b5-80f1de53790a/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 [2018-11-23 07:14:56,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:14:56,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:14:56,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:14:56,937 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:14:56,937 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:14:56,937 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i [2018-11-23 07:14:56,984 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/data/100a76f7d/570ef8d18dec4c46bf07200bada4e025/FLAG496ce1dbc [2018-11-23 07:14:57,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:14:57,357 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/sv-benchmarks/c/termination-libowfat/atol_true-termination.c.i [2018-11-23 07:14:57,366 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/data/100a76f7d/570ef8d18dec4c46bf07200bada4e025/FLAG496ce1dbc [2018-11-23 07:14:57,753 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/bin-2019/uautomizer/data/100a76f7d/570ef8d18dec4c46bf07200bada4e025 [2018-11-23 07:14:57,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:14:57,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:14:57,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:14:57,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:14:57,759 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:14:57,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:14:57" (1/1) ... [2018-11-23 07:14:57,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e1a27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:57, skipping insertion in model container [2018-11-23 07:14:57,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:14:57" (1/1) ... [2018-11-23 07:14:57,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:14:57,794 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:14:57,983 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:14:57,990 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:14:58,021 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:14:58,099 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:14:58,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58 WrapperNode [2018-11-23 07:14:58,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:14:58,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:14:58,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:14:58,100 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:14:58,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:14:58,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:14:58,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:14:58,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:14:58,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... [2018-11-23 07:14:58,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:14:58,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:14:58,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:14:58,148 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:14:58,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8637c3-d63a-4e0a-82b5-80f1de53790a/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 [2018-11-23 07:14:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:14:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:14:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:14:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:14:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:14:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:14:58,354 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:14:58,355 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 07:14:58,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:14:58 BoogieIcfgContainer [2018-11-23 07:14:58,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:14:58,356 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 07:14:58,356 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 07:14:58,359 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 07:14:58,359 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:14:58,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 07:14:57" (1/3) ... [2018-11-23 07:14:58,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32321bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:14:58, skipping insertion in model container [2018-11-23 07:14:58,360 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:14:58,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:14:58" (2/3) ... [2018-11-23 07:14:58,361 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32321bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:14:58, skipping insertion in model container [2018-11-23 07:14:58,361 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:14:58,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:14:58" (3/3) ... [2018-11-23 07:14:58,363 INFO L375 chiAutomizerObserver]: Analyzing ICFG atol_true-termination.c.i [2018-11-23 07:14:58,407 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:14:58,407 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 07:14:58,408 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 07:14:58,408 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 07:14:58,408 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:14:58,408 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:14:58,408 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 07:14:58,408 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:14:58,408 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 07:14:58,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-23 07:14:58,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-23 07:14:58,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:14:58,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:14:58,437 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 07:14:58,437 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 07:14:58,437 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 07:14:58,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-23 07:14:58,438 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-23 07:14:58,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:14:58,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:14:58,439 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 07:14:58,439 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 07:14:58,445 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atol_#in~s.base, atol_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atol_#res;havoc atol_#t~pre3.base, atol_#t~pre3.offset, atol_#t~mem2, atol_#t~mem4, atol_#t~switch5, atol_#t~pre6.base, atol_#t~pre6.offset, atol_#t~mem10, atol_#t~pre11.base, atol_#t~pre11.offset, atol_#t~mem7, atol_#t~mem8, atol_#t~short9, atol_#t~ite12, atol_~s.base, atol_~s.offset, atol_~v~0, atol_~sign~0;atol_~s.base, atol_~s.offset := atol_#in~s.base, atol_#in~s.offset;atol_~v~0 := 0;atol_~sign~0 := 0; 21#L509-3true [2018-11-23 07:14:58,445 INFO L796 eck$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 [2018-11-23 07:14:58,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:58,450 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-23 07:14:58,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:14:58,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:14:58,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:58,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:58,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:14:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:14:58,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:58,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2018-11-23 07:14:58,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:14:58,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:14:58,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:58,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:58,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:14:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:14:58,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:58,555 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2018-11-23 07:14:58,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:14:58,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:14:58,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:58,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:14:58,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:14:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:14:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:14:58,761 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-11-23 07:14:58,810 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:14:58,811 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:14:58,812 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:14:58,812 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:14:58,812 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:14:58,812 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:14:58,812 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:14:58,812 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:14:58,812 INFO L131 ssoRankerPreferences]: Filename of dumped script: atol_true-termination.c.i_Iteration1_Lasso [2018-11-23 07:14:58,813 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:14:58,813 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:14:58,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:58,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:14:59,247 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:14:59,250 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:14:59,252 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 [2018-11-23 07:14:59,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:14:59,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,254 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,255 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:14:59,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:14:59,257 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,258 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 [2018-11-23 07:14:59,258 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:14:59,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,259 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,259 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:14:59,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:14:59,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,261 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 [2018-11-23 07:14:59,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,262 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:14:59,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,262 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:14:59,263 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:14:59,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,264 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 [2018-11-23 07:14:59,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,265 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,267 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:14:59,267 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:14:59,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,271 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 [2018-11-23 07:14:59,272 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,272 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:14:59,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,272 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,273 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:14:59,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:14:59,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,274 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 [2018-11-23 07:14:59,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,277 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:14:59,277 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:14:59,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,280 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 [2018-11-23 07:14:59,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,281 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,283 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:14:59,283 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:14:59,286 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,286 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 [2018-11-23 07:14:59,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,287 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:14:59,288 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,288 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,288 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,288 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:14:59,288 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:14:59,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,289 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 [2018-11-23 07:14:59,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:14:59,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,291 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:14:59,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:14:59,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,293 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 [2018-11-23 07:14:59,294 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,294 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,294 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,295 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,296 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:14:59,296 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:14:59,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:14:59,299 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 [2018-11-23 07:14:59,301 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:14:59,301 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:14:59,301 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:14:59,302 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:14:59,306 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:14:59,306 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:14:59,339 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:14:59,374 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-23 07:14:59,374 INFO L444 ModelExtractionUtils]: 18 out of 25 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-23 07:14:59,376 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:14:59,378 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 07:14:59,378 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:14:59,379 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1, ULTIMATE.start_atol_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 - 1*ULTIMATE.start_atol_~s.offset Supporting invariants [] [2018-11-23 07:14:59,400 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-11-23 07:14:59,413 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 07:14:59,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:14:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:59,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:14:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:14:59,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:14:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:14:59,483 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 [2018-11-23 07:14:59,484 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2018-11-23 07:14:59,560 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. [2018-11-23 07:14:59,560 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 [2018-11-23 07:14:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 07:14:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-11-23 07:14:59,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-23 07:14:59,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:14:59,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-23 07:14:59,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:14:59,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-23 07:14:59,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:14:59,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2018-11-23 07:14:59,568 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:14:59,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-11-23 07:14:59,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 07:14:59,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 07:14:59,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 07:14:59,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:14:59,571 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:14:59,571 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:14:59,571 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:14:59,571 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 07:14:59,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:14:59,571 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:14:59,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 07:14:59,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 07:14:59 BoogieIcfgContainer [2018-11-23 07:14:59,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 07:14:59,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:14:59,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:14:59,577 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:14:59,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:14:58" (3/4) ... [2018-11-23 07:14:59,580 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:14:59,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:14:59,580 INFO L168 Benchmark]: Toolchain (without parser) took 1824.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 919.6 MB in the end (delta: 36.9 MB). Peak memory consumption was 170.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:59,581 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:14:59,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:59,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:59,582 INFO L168 Benchmark]: Boogie Preprocessor took 19.30 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. [2018-11-23 07:14:59,583 INFO L168 Benchmark]: RCFGBuilder took 207.11 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:59,583 INFO L168 Benchmark]: BuchiAutomizer took 1220.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.6 MB in the end (delta: 182.0 MB). Peak memory consumption was 182.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:14:59,584 INFO L168 Benchmark]: Witness Printer took 3.50 ms. Allocated memory is still 1.2 GB. Free memory is still 919.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:14:59,587 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.30 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 207.11 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1220.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.6 MB in the end (delta: 182.0 MB). Peak memory consumption was 182.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.50 ms. Allocated memory is still 1.2 GB. Free memory is still 919.6 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 unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: inital111 mio100 ax100 hnf100 lsp89 ukn90 mio100 lsp48 div100 bol100 ite100 ukn100 eq186 hnf89 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...