./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca_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_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/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 4a8b6acf5c3e1a62f919c5785e272fd1a6b568e6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:59:20,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:59:20,586 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:59:20,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:59:20,595 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:59:20,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:59:20,596 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:59:20,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:59:20,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:59:20,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:59:20,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:59:20,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:59:20,601 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:59:20,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:59:20,602 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:59:20,603 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:59:20,604 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:59:20,605 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:59:20,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:59:20,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:59:20,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:59:20,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:59:20,611 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:59:20,612 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:59:20,612 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:59:20,612 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:59:20,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:59:20,614 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:59:20,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:59:20,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:59:20,616 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:59:20,616 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:59:20,616 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:59:20,616 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:59:20,617 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:59:20,618 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:59:20,618 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 12:59:20,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:59:20,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:59:20,631 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:59:20,631 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:59:20,631 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:59:20,631 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 12:59:20,631 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 12:59:20,632 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 12:59:20,632 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 12:59:20,632 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 12:59:20,632 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 12:59:20,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:59:20,632 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 12:59:20,632 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:59:20,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:59:20,633 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 12:59:20,633 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 12:59:20,633 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 12:59:20,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:59:20,633 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 12:59:20,633 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:59:20,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 12:59:20,634 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:59:20,634 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:59:20,634 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 12:59:20,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:59:20,634 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:59:20,634 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 12:59:20,635 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 12:59:20,635 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_f1d8f419-636f-4779-b0c0-0eeb6d41019d/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 -> 4a8b6acf5c3e1a62f919c5785e272fd1a6b568e6 [2018-11-23 12:59:20,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:59:20,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:59:20,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:59:20,670 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:59:20,671 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:59:20,671 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca_true-termination.c.i [2018-11-23 12:59:20,710 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/data/f964908b8/7f59c16c949b4252b6af7aaa944198c1/FLAG11a67bf50 [2018-11-23 12:59:21,086 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:59:21,087 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca_true-termination.c.i [2018-11-23 12:59:21,094 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/data/f964908b8/7f59c16c949b4252b6af7aaa944198c1/FLAG11a67bf50 [2018-11-23 12:59:21,475 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/bin-2019/uautomizer/data/f964908b8/7f59c16c949b4252b6af7aaa944198c1 [2018-11-23 12:59:21,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:59:21,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:59:21,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:59:21,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:59:21,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:59:21,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad3c541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21, skipping insertion in model container [2018-11-23 12:59:21,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:59:21,528 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:59:21,760 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:59:21,767 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:59:21,800 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:59:21,895 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:59:21,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21 WrapperNode [2018-11-23 12:59:21,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:59:21,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:59:21,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:59:21,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:59:21,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:59:21,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:59:21,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:59:21,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:59:21,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... [2018-11-23 12:59:21,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:59:21,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:59:21,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:59:21,940 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:59:21,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1d8f419-636f-4779-b0c0-0eeb6d41019d/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 12:59:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:59:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:59:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:59:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:59:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:59:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:59:22,097 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:59:22,098 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 12:59:22,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:22 BoogieIcfgContainer [2018-11-23 12:59:22,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:59:22,098 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 12:59:22,099 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 12:59:22,101 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 12:59:22,102 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 12:59:22,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:59:21" (1/3) ... [2018-11-23 12:59:22,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3185f0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:59:22, skipping insertion in model container [2018-11-23 12:59:22,103 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 12:59:22,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:21" (2/3) ... [2018-11-23 12:59:22,103 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3185f0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:59:22, skipping insertion in model container [2018-11-23 12:59:22,103 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 12:59:22,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:22" (3/3) ... [2018-11-23 12:59:22,105 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrlen_diffterm_alloca_true-termination.c.i [2018-11-23 12:59:22,141 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:59:22,141 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 12:59:22,141 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 12:59:22,141 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 12:59:22,141 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:59:22,142 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:59:22,142 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 12:59:22,142 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:59:22,142 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 12:59:22,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-23 12:59:22,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 12:59:22,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 12:59:22,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 12:59:22,176 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 12:59:22,176 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 12:59:22,176 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 12:59:22,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-23 12:59:22,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 12:59:22,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 12:59:22,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 12:59:22,178 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-23 12:59:22,178 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 12:59:22,187 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet207, main_#t~malloc208.base, main_#t~malloc208.offset, main_#t~ret209, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet207;havoc main_#t~nondet207; 12#L373true assume !(main_~length1~0 < 1); 6#L373-2true call main_#t~malloc208.base, main_#t~malloc208.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc208.base, main_#t~malloc208.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset, cstrlen_#t~mem205, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 7#L367-3true [2018-11-23 12:59:22,187 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-3true call cstrlen_#t~mem205 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 4#L367-1true assume !!(49 != cstrlen_#t~mem205);havoc cstrlen_#t~mem205;cstrlen_#t~post206.base, cstrlen_#t~post206.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post206.base, 1 + cstrlen_#t~post206.offset;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset; 7#L367-3true [2018-11-23 12:59:22,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:22,192 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2018-11-23 12:59:22,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:22,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:22,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:22,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:22,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:59:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:59:22,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:22,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2018-11-23 12:59:22,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:22,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:22,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:22,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:22,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:59:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:59:22,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:22,292 INFO L82 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2018-11-23 12:59:22,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:22,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:22,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:22,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:22,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:59:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:59:22,495 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2018-11-23 12:59:22,537 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 12:59:22,538 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 12:59:22,538 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 12:59:22,538 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 12:59:22,538 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 12:59:22,539 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 12:59:22,539 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 12:59:22,539 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 12:59:22,539 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrlen_diffterm_alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 12:59:22,539 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 12:59:22,539 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 12:59:22,555 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 12:59:22,559 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 12:59:22,562 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 12:59:22,565 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 12:59:22,567 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 12:59:22,736 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 12:59:22,738 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 12:59:22,739 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 12:59:22,741 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 12:59:22,743 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 12:59:22,978 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 12:59:22,982 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 12:59:22,984 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 12:59:22,986 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:59:22,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 12:59:22,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:59:22,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:59:22,987 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:59:22,989 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 12:59:22,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 12:59:22,991 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:59:22,991 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 12:59:22,992 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:59:22,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:59:22,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:59:22,993 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:59:22,995 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:59:22,995 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:59:23,000 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:59:23,000 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 12:59:23,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:59:23,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 12:59:23,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:59:23,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:59:23,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:59:23,002 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 12:59:23,002 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 12:59:23,003 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:59:23,004 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 12:59:23,004 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:59:23,004 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 12:59:23,005 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:59:23,005 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:59:23,005 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:59:23,005 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 12:59:23,006 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 12:59:23,007 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:59:23,007 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 12:59:23,008 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:59:23,008 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 12:59:23,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:59:23,009 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:59:23,013 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 12:59:23,013 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:59:23,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:59:23,040 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 12:59:23,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:59:23,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:59:23,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:59:23,041 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:59:23,043 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:59:23,043 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:59:23,046 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:59:23,046 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 12:59:23,047 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:59:23,047 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:59:23,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:59:23,047 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:59:23,051 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:59:23,052 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:59:23,082 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 12:59:23,107 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 12:59:23,107 INFO L444 ModelExtractionUtils]: 24 out of 28 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 12:59:23,109 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 12:59:23,111 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 12:59:23,111 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 12:59:23,111 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc208.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc208.base)_1 Supporting invariants [] [2018-11-23 12:59:23,119 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-11-23 12:59:23,125 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 12:59:23,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:23,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:23,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:23,203 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 12:59:23,213 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 12:59:23,214 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-11-23 12:59:23,268 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 20 states and 23 transitions. Complement of second has 6 states. [2018-11-23 12:59:23,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 12:59:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:59:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2018-11-23 12:59:23,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-23 12:59:23,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:59:23,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-23 12:59:23,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:59:23,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2018-11-23 12:59:23,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:59:23,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2018-11-23 12:59:23,275 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 12:59:23,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2018-11-23 12:59:23,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 12:59:23,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 12:59:23,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 12:59:23,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 12:59:23,279 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:59:23,279 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:59:23,279 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:59:23,279 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 12:59:23,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:59:23,279 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 12:59:23,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 12:59:23,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:59:23 BoogieIcfgContainer [2018-11-23 12:59:23,285 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 12:59:23,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:59:23,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:59:23,285 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:59:23,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:22" (3/4) ... [2018-11-23 12:59:23,288 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:59:23,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:59:23,289 INFO L168 Benchmark]: Toolchain (without parser) took 1810.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 955.8 MB in the beginning and 960.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 155.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:59:23,290 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:59:23,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:59:23,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.71 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:59:23,292 INFO L168 Benchmark]: Boogie Preprocessor took 16.65 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 12:59:23,292 INFO L168 Benchmark]: RCFGBuilder took 158.67 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:59:23,293 INFO L168 Benchmark]: BuchiAutomizer took 1186.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 160.0 MB). Peak memory consumption was 160.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:59:23,293 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 960.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:59:23,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.71 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.65 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 158.67 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1186.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 160.0 MB). Peak memory consumption was 160.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 960.5 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 * p + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 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: 6 SDtfs, 9 SDslu, 1 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital112 mio100 ax100 hnf100 lsp94 ukn91 mio100 lsp48 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...