./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/atoi_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_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/atoi_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/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 22752f525da32a4875f5f185e75d8f959544b91c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:21,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:24:21,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:24:21,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:24:21,770 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:24:21,771 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:24:21,772 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:24:21,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:24:21,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:24:21,774 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:24:21,775 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:24:21,775 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:24:21,776 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:24:21,777 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:24:21,777 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:24:21,778 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:24:21,778 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:24:21,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:24:21,781 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:24:21,782 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:24:21,783 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:24:21,783 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:24:21,785 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:24:21,785 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:24:21,785 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:24:21,786 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:24:21,787 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:24:21,787 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:24:21,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:24:21,789 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:24:21,789 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:24:21,789 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:24:21,789 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:24:21,789 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:24:21,790 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:24:21,790 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:24:21,791 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 11:24:21,801 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:24:21,801 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:24:21,802 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:24:21,802 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:24:21,802 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:24:21,802 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:24:21,803 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:24:21,803 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:24:21,803 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:24:21,803 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:24:21,803 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:24:21,803 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:24:21,803 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:24:21,804 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:24:21,805 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:24:21,805 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:24:21,805 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:24:21,805 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:24:21,805 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:24:21,805 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:24:21,805 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:24:21,806 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:24:21,806 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_3da44ade-b986-41a7-ba2a-be86147b5101/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 -> 22752f525da32a4875f5f185e75d8f959544b91c [2018-11-28 11:24:21,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:24:21,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:24:21,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:24:21,843 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:24:21,843 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:24:21,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/../../sv-benchmarks/c/termination-libowfat/atoi_true-termination.c.i [2018-11-28 11:24:21,888 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/data/25c8f8cd0/febcf549356448feae66a354cead09a4/FLAGb01fdb2ac [2018-11-28 11:24:22,258 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:24:22,259 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/sv-benchmarks/c/termination-libowfat/atoi_true-termination.c.i [2018-11-28 11:24:22,266 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/data/25c8f8cd0/febcf549356448feae66a354cead09a4/FLAGb01fdb2ac [2018-11-28 11:24:22,645 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/bin-2019/uautomizer/data/25c8f8cd0/febcf549356448feae66a354cead09a4 [2018-11-28 11:24:22,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:24:22,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:24:22,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:22,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:24:22,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:24:22,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494b9716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22, skipping insertion in model container [2018-11-28 11:24:22,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:24:22,683 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:24:22,850 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:22,857 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:24:22,924 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:22,955 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:24:22,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22 WrapperNode [2018-11-28 11:24:22,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:22,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:22,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:24:22,956 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:24:22,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:22,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:24:22,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:24:22,983 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:24:22,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... [2018-11-28 11:24:22,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:24:22,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:24:22,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:24:22,998 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:24:22,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3da44ade-b986-41a7-ba2a-be86147b5101/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 11:24:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:24:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:24:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:24:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:24:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:24:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:24:23,189 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:24:23,189 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 11:24:23,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:23 BoogieIcfgContainer [2018-11-28 11:24:23,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:24:23,190 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:24:23,190 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:24:23,193 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:24:23,194 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:24:23,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:24:22" (1/3) ... [2018-11-28 11:24:23,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5de1095e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:23, skipping insertion in model container [2018-11-28 11:24:23,195 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:24:23,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:22" (2/3) ... [2018-11-28 11:24:23,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5de1095e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:23, skipping insertion in model container [2018-11-28 11:24:23,195 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:24:23,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:23" (3/3) ... [2018-11-28 11:24:23,197 INFO L375 chiAutomizerObserver]: Analyzing ICFG atoi_true-termination.c.i [2018-11-28 11:24:23,234 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:24:23,235 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:24:23,235 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:24:23,235 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:24:23,235 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:24:23,235 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:24:23,235 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:24:23,235 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:24:23,235 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:24:23,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-28 11:24:23,257 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-28 11:24:23,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:24:23,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:24:23,262 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 11:24:23,262 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 11:24:23,262 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:24:23,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-28 11:24:23,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-28 11:24:23,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:24:23,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:24:23,264 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 11:24:23,264 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 11:24:23,270 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet13;havoc main_#t~nondet13; 12#L521true assume !(main_~in_len~0 < 1);call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);atoi_#in~s.base, atoi_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc atoi_#res;havoc atoi_#t~post3.base, atoi_#t~post3.offset, atoi_#t~mem2, atoi_#t~mem4, atoi_#t~switch5, atoi_#t~pre6.base, atoi_#t~pre6.offset, atoi_#t~mem10, atoi_#t~pre11.base, atoi_#t~pre11.offset, atoi_#t~mem7, atoi_#t~mem8, atoi_#t~short9, atoi_#t~ite12, atoi_~s.base, atoi_~s.offset, atoi_~v~0, atoi_~sign~0;atoi_~s.base, atoi_~s.offset := atoi_#in~s.base, atoi_#in~s.offset;atoi_~v~0 := 0;atoi_~sign~0 := 1; 21#L509-3true [2018-11-28 11:24:23,270 INFO L796 eck$LassoCheckResult]: Loop: 21#L509-3true call atoi_#t~mem2 := read~int(atoi_~s.base, atoi_~s.offset, 1); 17#L509-1true assume !!(32 == atoi_#t~mem2);havoc atoi_#t~mem2;atoi_#t~post3.base, atoi_#t~post3.offset := atoi_~s.base, atoi_~s.offset;atoi_~s.base, atoi_~s.offset := atoi_#t~post3.base, 1 + atoi_#t~post3.offset;havoc atoi_#t~post3.base, atoi_#t~post3.offset; 21#L509-3true [2018-11-28 11:24:23,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:23,275 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-28 11:24:23,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:23,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:23,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:23,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:23,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:23,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:23,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1350, now seen corresponding path program 1 times [2018-11-28 11:24:23,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:23,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:23,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:23,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:23,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:23,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:23,369 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2018-11-28 11:24:23,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:23,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:23,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:23,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:23,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:23,563 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-11-28 11:24:23,610 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:24:23,611 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:24:23,611 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:24:23,611 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:24:23,611 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:24:23,611 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:24:23,611 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:24:23,611 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:24:23,612 INFO L131 ssoRankerPreferences]: Filename of dumped script: atoi_true-termination.c.i_Iteration1_Lasso [2018-11-28 11:24:23,612 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:24:23,612 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:24:23,631 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 11:24:23,636 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 11:24:23,639 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 11:24:23,641 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 11:24:23,642 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 11:24:23,646 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 11:24:23,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:24:23,651 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 11:24:23,652 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 11:24:23,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:24:23,657 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 11:24:23,794 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 11:24:23,797 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 11:24:23,800 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 11:24:23,802 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 11:24:23,804 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 11:24:23,805 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 11:24:23,808 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 11:24:23,809 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 11:24:23,812 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 11:24:23,814 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 11:24:23,816 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 11:24:23,818 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 11:24:24,048 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:24:24,053 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:24:24,054 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 11:24:24,060 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,060 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,060 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,060 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,062 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,063 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 11:24:24,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,065 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,066 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 11:24:24,067 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,068 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,068 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,069 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,069 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 11:24:24,070 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,070 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,071 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,071 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,072 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,072 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 11:24:24,072 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,073 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,075 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:24:24,075 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:24:24,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,079 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 11:24:24,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,080 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,080 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,081 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 11:24:24,082 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,082 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,083 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,083 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,085 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,085 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 11:24:24,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,086 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,086 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,086 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,088 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 11:24:24,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,089 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,089 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,089 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,090 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 11:24:24,091 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,091 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,091 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,091 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,092 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,092 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,092 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,093 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 11:24:24,093 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,093 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,094 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,096 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:24:24,096 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:24:24,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,111 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 11:24:24,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:24,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,112 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,113 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:24,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:24,115 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:24:24,116 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 11:24:24,116 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:24,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:24,117 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:24,117 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:24,120 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:24:24,120 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:24:24,149 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:24:24,167 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:24:24,167 INFO L444 ModelExtractionUtils]: 20 out of 25 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-28 11:24:24,169 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:24:24,170 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 11:24:24,171 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:24:24,171 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atoi_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1) = -1*ULTIMATE.start_atoi_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 Supporting invariants [] [2018-11-28 11:24:24,188 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-11-28 11:24:24,194 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 11:24:24,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:24,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:24:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:24,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:24:24,260 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 11:24:24,270 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 11:24:24,271 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2018-11-28 11:24:24,345 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 11:24:24,345 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 11:24:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 11:24:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-11-28 11:24:24,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-28 11:24:24,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:24,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 11:24:24,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:24,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-28 11:24:24,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:24,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 76 transitions. [2018-11-28 11:24:24,352 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:24:24,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2018-11-28 11:24:24,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:24:24,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:24:24,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:24:24,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:24:24,355 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:24,355 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:24,356 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:24,356 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:24:24,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:24:24,356 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:24:24,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:24:24,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:24:24 BoogieIcfgContainer [2018-11-28 11:24:24,361 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:24:24,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:24:24,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:24:24,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:24:24,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:23" (3/4) ... [2018-11-28 11:24:24,364 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:24:24,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:24:24,365 INFO L168 Benchmark]: Toolchain (without parser) took 1717.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.6 MB in the beginning and 924.5 MB in the end (delta: 26.1 MB). Peak memory consumption was 160.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:24,366 INFO L168 Benchmark]: CDTParser took 0.14 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 11:24:24,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:24,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.39 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 11:24:24,367 INFO L168 Benchmark]: Boogie Preprocessor took 15.67 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 11:24:24,368 INFO L168 Benchmark]: RCFGBuilder took 191.28 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 11:24:24,368 INFO L168 Benchmark]: BuchiAutomizer took 1170.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.5 MB in the end (delta: 173.9 MB). Peak memory consumption was 173.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:24,369 INFO L168 Benchmark]: Witness Printer took 3.27 ms. Allocated memory is still 1.2 GB. Free memory is still 924.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:24:24,372 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.39 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 15.67 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 191.28 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 1170.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.5 MB in the end (delta: 173.9 MB). Peak memory consumption was 173.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.27 ms. Allocated memory is still 1.2 GB. Free memory is still 924.5 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 1.1s 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: 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...