./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/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 28df36858bcf0d10e60c800fcc2b4034b3218824 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:11:46,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:11:46,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:11:46,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:11:46,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:11:46,727 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:11:46,728 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:11:46,729 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:11:46,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:11:46,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:11:46,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:11:46,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:11:46,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:11:46,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:11:46,734 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:11:46,735 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:11:46,736 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:11:46,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:11:46,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:11:46,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:11:46,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:11:46,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:11:46,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:11:46,744 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:11:46,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:11:46,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:11:46,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:11:46,747 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:11:46,748 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:11:46,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:11:46,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:11:46,750 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:11:46,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:11:46,750 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:11:46,751 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:11:46,752 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:11:46,752 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:11:46,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:11:46,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:11:46,765 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:11:46,765 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:11:46,766 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:11:46,766 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:11:46,766 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:11:46,766 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:11:46,766 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:11:46,766 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:11:46,766 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:11:46,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:11:46,767 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:11:46,767 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:11:46,767 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:11:46,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:11:46,769 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:11:46,769 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:11:46,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:11:46,769 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:11:46,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:11:46,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:11:46,770 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:11:46,770 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:11:46,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:11:46,770 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:11:46,770 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:11:46,771 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:11:46,771 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_f465f610-ce1c-44a8-9a2a-8acb51924503/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 -> 28df36858bcf0d10e60c800fcc2b4034b3218824 [2018-10-27 06:11:46,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:11:46,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:11:46,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:11:46,814 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:11:46,814 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:11:46,815 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca_true-termination.c.i [2018-10-27 06:11:46,856 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/data/19164dc48/da6d6408a0ea4268a118a7be6d721b53/FLAGed1568a63 [2018-10-27 06:11:47,273 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:11:47,274 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncmp-alloca_true-termination.c.i [2018-10-27 06:11:47,284 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/data/19164dc48/da6d6408a0ea4268a118a7be6d721b53/FLAGed1568a63 [2018-10-27 06:11:47,296 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/bin-2019/uautomizer/data/19164dc48/da6d6408a0ea4268a118a7be6d721b53 [2018-10-27 06:11:47,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:11:47,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:11:47,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:47,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:11:47,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:11:47,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb92d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47, skipping insertion in model container [2018-10-27 06:11:47,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:11:47,353 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:11:47,571 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:47,579 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:11:47,615 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:11:47,654 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:11:47,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47 WrapperNode [2018-10-27 06:11:47,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:11:47,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:47,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:11:47,656 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:11:47,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:11:47,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:11:47,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:11:47,761 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:11:47,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... [2018-10-27 06:11:47,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:11:47,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:11:47,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:11:47,786 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:11:47,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f465f610-ce1c-44a8-9a2a-8acb51924503/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 [2018-10-27 06:11:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:11:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:11:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:11:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:11:48,299 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:11:48,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:48 BoogieIcfgContainer [2018-10-27 06:11:48,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:11:48,300 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:11:48,300 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:11:48,303 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:11:48,304 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:48,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:11:47" (1/3) ... [2018-10-27 06:11:48,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d5ec37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:48, skipping insertion in model container [2018-10-27 06:11:48,305 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:48,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:11:47" (2/3) ... [2018-10-27 06:11:48,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d5ec37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:11:48, skipping insertion in model container [2018-10-27 06:11:48,306 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:11:48,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:48" (3/3) ... [2018-10-27 06:11:48,309 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-termination.c.i [2018-10-27 06:11:48,369 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:11:48,370 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:11:48,370 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:11:48,370 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:11:48,370 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:11:48,371 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:11:48,371 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:11:48,371 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:11:48,371 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:11:48,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states. [2018-10-27 06:11:48,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2018-10-27 06:11:48,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:48,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:48,429 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:48,429 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:48,429 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:11:48,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states. [2018-10-27 06:11:48,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2018-10-27 06:11:48,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:11:48,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:11:48,433 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:48,434 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:11:48,441 INFO L793 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet15, main_#t~ret16, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 10#L563true assume !(main_~length1~0 < 1); 16#L563-2true assume !(main_~length2~0 < 1); 6#L566-1true #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length1~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length2~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset; 28#L571true SUMMARY for call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1) * 1, 1); srcloc: L571 29#L571-1true SUMMARY for call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1) * 1, 1); srcloc: L571-1 14#L572true assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet15;havoc cstrncmp_#res;havoc cstrncmp_#t~mem4, cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset, cstrncmp_#t~mem5, cstrncmp_#t~mem7, cstrncmp_#t~pre6.base, cstrncmp_#t~pre6.offset, cstrncmp_#t~mem8, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~mem10, cstrncmp_#t~pre2, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 17#L550true assume !(cstrncmp_~n % 4294967296 == 0); 3#L552-4true [2018-10-27 06:11:48,446 INFO L795 eck$LassoCheckResult]: Loop: 3#L552-4true assume true; 22#L553true SUMMARY for call cstrncmp_#t~mem4 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1); srcloc: L553 24#L553-1true cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset + 1; 26#L553-2true SUMMARY for call cstrncmp_#t~mem5 := read~int(cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset, 1); srcloc: L553-2 27#L553-3true assume !(cstrncmp_#t~mem4 != cstrncmp_#t~mem5);havoc cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~mem5;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset + 1; 5#L555true SUMMARY for call cstrncmp_#t~mem10 := read~int(cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, 1); srcloc: L555 7#L555-1true assume !(cstrncmp_#t~mem10 == 0);havoc cstrncmp_#t~mem10;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 12#L552-1true cstrncmp_#t~pre2 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 18#L552-2true assume !!(cstrncmp_#t~pre2 % 4294967296 != 0);havoc cstrncmp_#t~pre2; 3#L552-4true [2018-10-27 06:11:48,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:48,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1298223692, now seen corresponding path program 1 times [2018-10-27 06:11:48,453 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:48,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:48,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:48,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:48,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:48,605 INFO L82 PathProgramCache]: Analyzing trace with hash 664836590, now seen corresponding path program 1 times [2018-10-27 06:11:48,605 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:48,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:48,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:48,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1864346627, now seen corresponding path program 1 times [2018-10-27 06:11:48,646 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:11:48,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:11:48,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:11:48,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:11:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:11:49,175 WARN L179 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2018-10-27 06:11:49,343 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-10-27 06:11:50,025 WARN L179 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2018-10-27 06:11:50,240 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-27 06:11:50,261 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:11:50,262 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:11:50,262 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:11:50,262 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:11:50,263 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:11:50,263 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:11:50,263 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:11:50,264 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:11:50,264 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca_true-termination.c.i_Iteration1_Lasso [2018-10-27 06:11:50,264 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:11:50,264 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:11:50,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,821 WARN L179 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2018-10-27 06:11:50,975 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2018-10-27 06:11:50,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:50,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:51,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:51,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:51,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:51,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:11:51,665 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:11:51,669 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:11:51,670 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 [2018-10-27 06:11:51,671 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,672 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,672 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,674 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:51,674 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,676 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,677 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 [2018-10-27 06:11:51,677 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,678 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,678 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:51,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,679 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,679 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 [2018-10-27 06:11:51,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,681 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,683 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:51,684 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:51,687 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,688 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 [2018-10-27 06:11:51,688 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,688 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,689 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,689 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:51,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,690 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,690 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 [2018-10-27 06:11:51,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,691 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,695 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:51,695 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:51,701 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,701 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 [2018-10-27 06:11:51,701 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,702 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,702 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,704 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:51,704 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,705 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,705 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 [2018-10-27 06:11:51,706 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,706 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,706 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,706 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,707 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:51,708 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:51,711 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,711 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 [2018-10-27 06:11:51,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,714 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,715 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,715 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:51,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,716 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,716 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 [2018-10-27 06:11:51,717 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,717 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,718 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:51,718 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,719 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,722 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 [2018-10-27 06:11:51,723 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,723 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,723 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:11:51,724 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,724 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,725 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 [2018-10-27 06:11:51,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:11:51,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,725 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-10-27 06:11:51,726 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,726 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:11:51,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:11:51,734 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,734 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 [2018-10-27 06:11:51,734 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,735 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,738 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:51,738 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:51,750 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:11:51,750 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 [2018-10-27 06:11:51,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:11:51,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:11:51,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:11:51,752 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:11:51,759 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:11:51,759 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:11:51,836 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:11:51,870 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:11:51,870 INFO L444 ModelExtractionUtils]: 51 out of 55 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:11:51,873 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:11:51,874 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:11:51,875 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:11:51,875 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1, ULTIMATE.start_cstrncmp_~s2.offset) = 1*v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1 - 1*ULTIMATE.start_cstrncmp_~s2.offset Supporting invariants [] [2018-10-27 06:11:52,183 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2018-10-27 06:11:52,189 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:11:52,191 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-10-27 06:11:52,192 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 06:11:52,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:11:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:52,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:11:52,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:11:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:11:52,379 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2018-10-27 06:11:52,380 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states. Second operand 7 states. [2018-10-27 06:11:52,499 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states.. Second operand 7 states. Result 57 states and 63 transitions. Complement of second has 10 states. [2018-10-27 06:11:52,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:11:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-10-27 06:11:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 39 transitions. [2018-10-27 06:11:52,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 9 letters. Loop has 9 letters. [2018-10-27 06:11:52,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:52,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 18 letters. Loop has 9 letters. [2018-10-27 06:11:52,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:52,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 9 letters. Loop has 18 letters. [2018-10-27 06:11:52,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:11:52,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 63 transitions. [2018-10-27 06:11:52,511 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:52,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 0 states and 0 transitions. [2018-10-27 06:11:52,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:11:52,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:11:52,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:11:52,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:11:52,516 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:52,516 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:52,516 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:11:52,516 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:11:52,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:11:52,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:11:52,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:11:52,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:11:52 BoogieIcfgContainer [2018-10-27 06:11:52,524 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:11:52,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:11:52,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:11:52,524 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:11:52,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:11:48" (3/4) ... [2018-10-27 06:11:52,529 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:11:52,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:11:52,530 INFO L168 Benchmark]: Toolchain (without parser) took 5228.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 958.0 MB in the beginning and 899.6 MB in the end (delta: 58.5 MB). Peak memory consumption was 204.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:52,531 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:52,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.55 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:52,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:52,532 INFO L168 Benchmark]: Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:52,533 INFO L168 Benchmark]: RCFGBuilder took 513.70 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:52,533 INFO L168 Benchmark]: BuchiAutomizer took 4224.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.6 MB in the end (delta: 219.5 MB). Peak memory consumption was 219.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:11:52,534 INFO L168 Benchmark]: Witness Printer took 5.24 ms. Allocated memory is still 1.2 GB. Free memory is still 899.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:11:52,539 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.55 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 513.70 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4224.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.6 MB in the end (delta: 219.5 MB). Peak memory consumption was 219.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.24 ms. Allocated memory is still 1.2 GB. Free memory is still 899.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[#Ultimate.alloc_#res] + -1 * s2 and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. 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: 25 SDtfs, 34 SDslu, 34 SDs, 0 SdLazy, 23 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital242 mio100 ax107 hnf99 lsp81 ukn109 mio100 lsp42 div110 bol100 ite100 ukn100 eq182 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...