./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/strchr_true-no-overflow_true-termination.c --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_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/strchr_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/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 9856f7645e91c0d9454d45981854535d3bc496b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:32:36,644 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:32:36,645 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:32:36,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:32:36,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:32:36,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:32:36,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:32:36,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:32:36,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:32:36,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:32:36,656 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:32:36,656 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:32:36,657 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:32:36,657 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:32:36,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:32:36,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:32:36,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:32:36,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:32:36,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:32:36,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:32:36,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:32:36,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:32:36,664 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:32:36,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:32:36,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:32:36,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:32:36,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:32:36,666 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:32:36,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:32:36,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:32:36,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:32:36,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:32:36,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:32:36,668 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:32:36,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:32:36,669 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:32:36,669 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 13:32:36,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:32:36,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:32:36,681 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:32:36,681 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:32:36,681 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:32:36,681 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:32:36,682 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:32:36,682 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:32:36,682 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:32:36,682 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:32:36,682 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:32:36,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:32:36,682 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:32:36,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:32:36,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:32:36,683 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:32:36,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:32:36,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:32:36,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:32:36,683 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:32:36,684 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:32:36,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:32:36,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:32:36,684 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:32:36,684 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:32:36,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:32:36,685 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:32:36,685 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:32:36,685 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:32:36,685 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_3f2aaed7-9a3d-41e3-987a-9825461d3268/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 -> 9856f7645e91c0d9454d45981854535d3bc496b2 [2018-11-28 13:32:36,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:32:36,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:32:36,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:32:36,719 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:32:36,720 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:32:36,720 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/strchr_true-no-overflow_true-termination.c [2018-11-28 13:32:36,759 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/data/c18e46930/161f79efe0004ca394fe553f755eab9c/FLAGe028d7cd8 [2018-11-28 13:32:37,184 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:32:37,184 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/sv-benchmarks/c/termination-crafted-lit/strchr_true-no-overflow_true-termination.c [2018-11-28 13:32:37,189 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/data/c18e46930/161f79efe0004ca394fe553f755eab9c/FLAGe028d7cd8 [2018-11-28 13:32:37,201 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/data/c18e46930/161f79efe0004ca394fe553f755eab9c [2018-11-28 13:32:37,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:32:37,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:32:37,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:37,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:32:37,208 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:32:37,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73178bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37, skipping insertion in model container [2018-11-28 13:32:37,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:32:37,229 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:32:37,353 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:37,363 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:32:37,376 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:37,388 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:32:37,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37 WrapperNode [2018-11-28 13:32:37,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:37,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:32:37,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:32:37,389 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:32:37,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:32:37,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:32:37,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:32:37,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:32:37,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... [2018-11-28 13:32:37,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:32:37,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:32:37,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:32:37,483 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:32:37,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f2aaed7-9a3d-41e3-987a-9825461d3268/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:32:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:32:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:32:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:32:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:32:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:32:37,695 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:32:37,695 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 13:32:37,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:37 BoogieIcfgContainer [2018-11-28 13:32:37,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:32:37,696 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:32:37,696 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:32:37,699 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:32:37,700 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:32:37,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:32:37" (1/3) ... [2018-11-28 13:32:37,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@343f3a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:32:37, skipping insertion in model container [2018-11-28 13:32:37,701 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:32:37,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:37" (2/3) ... [2018-11-28 13:32:37,702 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@343f3a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:32:37, skipping insertion in model container [2018-11-28 13:32:37,702 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:32:37,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:37" (3/3) ... [2018-11-28 13:32:37,703 INFO L375 chiAutomizerObserver]: Analyzing ICFG strchr_true-no-overflow_true-termination.c [2018-11-28 13:32:37,739 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:32:37,740 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:32:37,740 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:32:37,740 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:32:37,740 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:32:37,740 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:32:37,740 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:32:37,740 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:32:37,741 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:32:37,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 13:32:37,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:32:37,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:32:37,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:32:37,777 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 13:32:37,777 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:32:37,777 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:32:37,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-28 13:32:37,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:32:37,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:32:37,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:32:37,779 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 13:32:37,779 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:32:37,786 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 9#L-1true havoc main_#res;havoc main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_#t~ret10.base, main_#t~ret10.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 16#L14true assume !(build_nondet_String_~length~0 < 1); 13#L14-2true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.alloc(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 6#L19true main_#t~ret8.base, main_#t~ret8.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 3#L31-5true [2018-11-28 13:32:37,787 INFO L796 eck$LassoCheckResult]: Loop: 3#L31-5true call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := 0 != cstrchr_#t~mem2; 7#L31-1true assume cstrchr_#t~short4;call cstrchr_#t~mem3 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := cstrchr_#t~mem3 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 5#L31-3true assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem3;havoc cstrchr_#t~short4;havoc cstrchr_#t~mem2;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, 1 + cstrchr_#t~post5.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 3#L31-5true [2018-11-28 13:32:37,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:37,792 INFO L82 PathProgramCache]: Analyzing trace with hash 28695750, now seen corresponding path program 1 times [2018-11-28 13:32:37,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:37,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:37,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:37,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:37,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:37,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:37,889 INFO L82 PathProgramCache]: Analyzing trace with hash 45783, now seen corresponding path program 1 times [2018-11-28 13:32:37,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:37,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:37,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:37,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:37,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:37,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:37,904 INFO L82 PathProgramCache]: Analyzing trace with hash 176612338, now seen corresponding path program 1 times [2018-11-28 13:32:37,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:37,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:37,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:37,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:37,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:38,075 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2018-11-28 13:32:38,322 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 13:32:38,323 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 13:32:38,323 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 13:32:38,323 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 13:32:38,324 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 13:32:38,324 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 13:32:38,324 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 13:32:38,324 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 13:32:38,324 INFO L131 ssoRankerPreferences]: Filename of dumped script: strchr_true-no-overflow_true-termination.c_Iteration1_Lasso [2018-11-28 13:32:38,324 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 13:32:38,325 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 13:32:38,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 13:32:38,847 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2018-11-28 13:32:38,928 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 13:32:38,933 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 13:32:38,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,937 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,938 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,940 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,944 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,944 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,945 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,946 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,946 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,947 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,948 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,949 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,949 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,949 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,950 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,950 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,950 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,951 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,951 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,951 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,953 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:32:38,953 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:32:38,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,955 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,956 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,956 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,956 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,956 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,956 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,956 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,957 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,957 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,957 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,958 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,958 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,958 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,958 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,959 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,960 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,960 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,961 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,961 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,961 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,961 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,963 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:32:38,963 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:32:38,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,966 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,966 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,967 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,967 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,969 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,969 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,970 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,970 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,970 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,971 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,971 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,971 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,972 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,972 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,972 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,972 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,973 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,973 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,974 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,974 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 13:32:38,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,974 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,974 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,974 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 13:32:38,975 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 13:32:38,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,976 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:38,976 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:38,978 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:32:38,978 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:32:38,980 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:38,981 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:38,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:38,981 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:38,982 INFO L206 nArgumentSynthesizer]: 6 loop disjuncts [2018-11-28 13:32:38,983 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:39,016 INFO L402 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2018-11-28 13:32:39,016 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-28 13:32:39,159 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:39,160 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:39,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:39,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:39,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:39,161 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:39,165 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:32:39,165 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:32:39,167 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:39,167 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:39,168 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:39,168 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 13:32:39,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:39,168 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:39,170 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 13:32:39,170 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:32:39,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:39,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:39,179 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:39,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:39,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:39,180 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:39,182 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:32:39,182 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:32:39,187 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 13:32:39,187 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 13:32:39,188 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 13:32:39,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 13:32:39,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 13:32:39,188 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 13:32:39,190 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 13:32:39,191 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 13:32:39,208 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 13:32:39,222 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 13:32:39,223 INFO L444 ModelExtractionUtils]: 26 out of 31 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-28 13:32:39,224 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 13:32:39,225 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 13:32:39,226 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 13:32:39,226 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s.offset, v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_1) = -1*ULTIMATE.start_cstrchr_~s.offset + 1*v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_1 Supporting invariants [] [2018-11-28 13:32:39,246 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-11-28 13:32:39,253 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 13:32:39,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:39,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:39,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:39,396 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-11-28 13:32:39,398 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2018-11-28 13:32:39,463 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 32 states and 40 transitions. Complement of second has 6 states. [2018-11-28 13:32:39,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 13:32:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 13:32:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2018-11-28 13:32:39,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-28 13:32:39,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:32:39,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 8 letters. Loop has 3 letters. [2018-11-28 13:32:39,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:32:39,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 6 letters. [2018-11-28 13:32:39,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 13:32:39,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2018-11-28 13:32:39,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:32:39,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-11-28 13:32:39,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:32:39,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:32:39,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:32:39,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:32:39,512 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:32:39,512 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:32:39,512 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:32:39,512 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:32:39,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:32:39,513 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:32:39,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:32:39,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:32:39 BoogieIcfgContainer [2018-11-28 13:32:39,518 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:32:39,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:32:39,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:32:39,518 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:32:39,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:37" (3/4) ... [2018-11-28 13:32:39,521 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:32:39,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:32:39,522 INFO L168 Benchmark]: Toolchain (without parser) took 2317.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 261.6 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -291.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:39,523 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:39,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.33 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:39,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.94 ms. Allocated memory is still 1.0 GB. Free memory was 943.1 MB in the beginning and 937.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:39,524 INFO L168 Benchmark]: Boogie Preprocessor took 63.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 937.7 MB in the beginning and 1.2 GB in the end (delta: -215.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:39,525 INFO L168 Benchmark]: RCFGBuilder took 213.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:39,525 INFO L168 Benchmark]: BuchiAutomizer took 1821.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:39,526 INFO L168 Benchmark]: Witness Printer took 3.49 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:39,528 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.33 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.94 ms. Allocated memory is still 1.0 GB. Free memory was 943.1 MB in the beginning and 937.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 937.7 MB in the beginning and 1.2 GB in the end (delta: -215.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1821.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.49 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[malloc(length * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 12 SDtfs, 25 SDslu, 10 SDs, 0 SdLazy, 11 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax100 hnf99 lsp98 ukn72 mio100 lsp37 div141 bol100 ite100 ukn100 eq153 hnf77 smp100 dnf729 smp27 tf100 neg95 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 178ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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...