./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/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 41c98898a531fb0ee2da225b716afd5dc80c24b1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:22:35,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:22:35,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:22:35,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:22:35,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:22:35,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:22:35,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:22:35,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:22:35,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:22:35,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:22:35,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:22:35,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:22:35,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:22:35,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:22:35,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:22:35,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:22:35,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:22:35,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:22:35,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:22:35,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:22:35,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:22:35,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:22:35,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:22:35,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:22:35,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:22:35,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:22:35,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:22:35,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:22:35,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:22:35,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:22:35,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:22:35,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:22:35,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:22:35,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:22:35,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:22:35,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:22:35,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:22:35,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:22:35,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:22:35,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:22:35,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:22:35,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 00:22:35,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:22:35,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:22:35,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:22:35,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:22:35,806 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:22:35,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:22:35,807 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:22:35,807 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:22:35,807 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:22:35,808 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:22:35,808 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:22:35,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:22:35,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:22:35,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:22:35,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:22:35,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:22:35,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:22:35,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:22:35,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:22:35,810 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:22:35,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:22:35,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:22:35,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:22:35,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:22:35,812 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:22:35,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:22:35,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:22:35,813 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:22:35,814 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:22:35,814 INFO L138 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/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/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 -> 41c98898a531fb0ee2da225b716afd5dc80c24b1 [2019-11-16 00:22:35,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:22:35,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:22:35,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:22:35,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:22:35,859 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:22:35,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2019-11-16 00:22:35,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/data/a5f5803ac/60fa7e1fe963481f97a21e105b7ab50f/FLAG93e11f18d [2019-11-16 00:22:36,342 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:22:36,343 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2019-11-16 00:22:36,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/data/a5f5803ac/60fa7e1fe963481f97a21e105b7ab50f/FLAG93e11f18d [2019-11-16 00:22:36,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/uautomizer/data/a5f5803ac/60fa7e1fe963481f97a21e105b7ab50f [2019-11-16 00:22:36,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:22:36,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:22:36,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:22:36,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:22:36,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:22:36,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:36" (1/1) ... [2019-11-16 00:22:36,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f7c8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:36, skipping insertion in model container [2019-11-16 00:22:36,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:36" (1/1) ... [2019-11-16 00:22:36,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:22:36,709 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:22:37,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:22:37,124 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:22:37,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:22:37,223 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:22:37,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37 WrapperNode [2019-11-16 00:22:37,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:22:37,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:22:37,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:22:37,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:22:37,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:22:37,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:22:37,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:22:37,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:22:37,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... [2019-11-16 00:22:37,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:22:37,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:22:37,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:22:37,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:22:37,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1374229d-6db0-4703-b4d9-5d2823912812/bin/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 [2019-11-16 00:22:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:22:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:22:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:22:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:22:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:22:37,625 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:22:37,625 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-16 00:22:37,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:37 BoogieIcfgContainer [2019-11-16 00:22:37,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:22:37,626 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:22:37,626 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:22:37,629 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:22:37,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:22:37,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:22:36" (1/3) ... [2019-11-16 00:22:37,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2613e281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:22:37, skipping insertion in model container [2019-11-16 00:22:37,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:22:37,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:37" (2/3) ... [2019-11-16 00:22:37,632 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2613e281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:22:37, skipping insertion in model container [2019-11-16 00:22:37,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:22:37,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:37" (3/3) ... [2019-11-16 00:22:37,633 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-1.i [2019-11-16 00:22:37,679 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:22:37,679 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:22:37,679 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:22:37,679 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:22:37,679 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:22:37,680 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:22:37,680 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:22:37,680 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:22:37,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-16 00:22:37,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-16 00:22:37,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:22:37,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:22:37,721 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:22:37,721 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-16 00:22:37,721 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:22:37,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-16 00:22:37,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-16 00:22:37,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:22:37,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:22:37,724 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:22:37,724 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-16 00:22:37,732 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 9#L563true assume !(main_~length~0 < 1); 12#L563-2true assume !(main_~n~0 < 1); 5#L566-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 13#L550true assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 3#L552-4true [2019-11-16 00:22:37,732 INFO L793 eck$LassoCheckResult]: Loop: 3#L552-4true cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 7#L553true assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 10#L552-1true cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 14#L552-2true assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 3#L552-4true [2019-11-16 00:22:37,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:22:37,738 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-11-16 00:22:37,746 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:22:37,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131722014] [2019-11-16 00:22:37,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:22:37,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:22:37,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:22:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:22:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:22:37,893 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:22:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:22:37,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1605803, now seen corresponding path program 1 times [2019-11-16 00:22:37,894 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:22:37,895 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809756283] [2019-11-16 00:22:37,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:22:37,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:22:37,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:22:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:22:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:22:37,936 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:22:37,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:22:37,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1592233654, now seen corresponding path program 1 times [2019-11-16 00:22:37,938 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:22:37,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014215120] [2019-11-16 00:22:37,938 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:22:37,938 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:22:37,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:22:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:22:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:22:38,008 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:22:38,121 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-11-16 00:22:38,290 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-16 00:22:38,390 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:22:38,391 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:22:38,392 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:22:38,392 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:22:38,392 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:22:38,393 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:22:38,393 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:22:38,393 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:22:38,393 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-1.i_Iteration1_Lasso [2019-11-16 00:22:38,393 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:22:38,394 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:22:38,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,665 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-16 00:22:38,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:38,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:22:39,110 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-11-16 00:22:39,391 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-11-16 00:22:39,700 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:22:39,706 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:22:39,709 INFO L120 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 [2019-11-16 00:22:39,710 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,711 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,711 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,711 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,712 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,714 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,714 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,717 INFO L120 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 [2019-11-16 00:22:39,718 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,718 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,718 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,719 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,719 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,719 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,720 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,721 INFO L120 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 [2019-11-16 00:22:39,722 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,722 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,723 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,723 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,723 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,724 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,724 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,726 INFO L120 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 [2019-11-16 00:22:39,726 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,726 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,727 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,727 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,727 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,728 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,728 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,729 INFO L120 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 [2019-11-16 00:22:39,730 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,730 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,730 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,730 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,731 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,731 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,731 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,733 INFO L120 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 [2019-11-16 00:22:39,733 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,733 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,734 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,734 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,734 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,735 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,735 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,736 INFO L120 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 [2019-11-16 00:22:39,737 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,737 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,737 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,738 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,738 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,738 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,738 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,740 INFO L120 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 [2019-11-16 00:22:39,741 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,741 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:22:39,741 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,742 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,742 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,742 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:22:39,743 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:22:39,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,744 INFO L120 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 [2019-11-16 00:22:39,745 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,745 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,745 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,745 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,748 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:22:39,748 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:22:39,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,753 INFO L120 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 [2019-11-16 00:22:39,754 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,754 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,754 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,754 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,757 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:22:39,757 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:22:39,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,774 INFO L120 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 [2019-11-16 00:22:39,775 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,775 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,776 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,776 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,778 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:22:39,778 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:22:39,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,783 INFO L120 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 [2019-11-16 00:22:39,785 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,787 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,788 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-16 00:22:39,788 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,816 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-16 00:22:39,818 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-16 00:22:39,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,906 INFO L120 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 [2019-11-16 00:22:39,906 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,907 INFO L202 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-16 00:22:39,907 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,907 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,911 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-16 00:22:39,911 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:22:39,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,945 INFO L120 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 [2019-11-16 00:22:39,946 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,946 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,946 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,947 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,949 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:22:39,949 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:22:39,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:22:39,959 INFO L120 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 [2019-11-16 00:22:39,959 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:22:39,960 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:22:39,960 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:22:39,960 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:22:39,965 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:22:39,966 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:22:40,116 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:22:40,159 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-16 00:22:40,159 INFO L444 ModelExtractionUtils]: 29 out of 34 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-11-16 00:22:40,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:22:40,163 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-16 00:22:40,163 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:22:40,164 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemchr_~p~0.offset, v_rep(select #length ULTIMATE.start_cmemchr_~p~0.base)_1) = -1*ULTIMATE.start_cmemchr_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_cmemchr_~p~0.base)_1 Supporting invariants [] [2019-11-16 00:22:40,182 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-16 00:22:40,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-16 00:22:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:22:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:22:40,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:22:40,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:22:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:22:40,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:22:40,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:22:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:22:40,324 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-16 00:22:40,326 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-11-16 00:22:40,382 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 35 states and 40 transitions. Complement of second has 5 states. [2019-11-16 00:22:40,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-16 00:22:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-16 00:22:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2019-11-16 00:22:40,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-16 00:22:40,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:22:40,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-16 00:22:40,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:22:40,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-16 00:22:40,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:22:40,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 40 transitions. [2019-11-16 00:22:40,406 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:22:40,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2019-11-16 00:22:40,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:22:40,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:22:40,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:22:40,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:22:40,413 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:22:40,414 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:22:40,414 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:22:40,414 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:22:40,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:22:40,414 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:22:40,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:22:40,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:22:40 BoogieIcfgContainer [2019-11-16 00:22:40,424 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:22:40,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:22:40,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:22:40,425 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:22:40,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:37" (3/4) ... [2019-11-16 00:22:40,429 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:22:40,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:22:40,433 INFO L168 Benchmark]: Toolchain (without parser) took 3769.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:22:40,433 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:22:40,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:22:40,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:22:40,437 INFO L168 Benchmark]: Boogie Preprocessor took 24.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:22:40,438 INFO L168 Benchmark]: RCFGBuilder took 338.26 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:22:40,439 INFO L168 Benchmark]: BuchiAutomizer took 2798.18 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:22:40,439 INFO L168 Benchmark]: Witness Printer took 5.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:22:40,449 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 561.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 338.26 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2798.18 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: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[p] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. 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: 21 SDtfs, 21 SDslu, 8 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital139 mio100 ax112 hnf98 lsp82 ukn99 mio100 lsp55 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 122ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...