./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-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/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/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 76da3a81dee1d435f94d1997f88b6b1f891a43a1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:39,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:39,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:39,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:39,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:39,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:39,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:39,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:39,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:39,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:39,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:39,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:39,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:39,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:39,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:39,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:39,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:39,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:39,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:39,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:39,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:39,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:39,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:39,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:39,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:39,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:39,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:39,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:39,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:39,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:39,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:39,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:39,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:39,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:39,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:39,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:39,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:39,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:39,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:39,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:39,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:39,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:56:39,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:39,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:39,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:39,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:39,986 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:39,986 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:39,986 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:39,987 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:39,987 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:39,987 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:39,987 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:39,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:39,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:39,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:39,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:39,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:39,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:39,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:39,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:39,988 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:39,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:39,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:39,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:39,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:39,989 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:39,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:39,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:39,990 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:39,991 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:39,991 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/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/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 -> 76da3a81dee1d435f94d1997f88b6b1f891a43a1 [2019-10-22 08:56:40,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:40,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:40,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:40,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:40,035 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:40,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2019-10-22 08:56:40,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/data/233760cf0/cdf7ffb88ef44ac9b194527e0b907d10/FLAG71c995f0a [2019-10-22 08:56:40,546 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:40,547 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2019-10-22 08:56:40,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/data/233760cf0/cdf7ffb88ef44ac9b194527e0b907d10/FLAG71c995f0a [2019-10-22 08:56:40,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/bin/uautomizer/data/233760cf0/cdf7ffb88ef44ac9b194527e0b907d10 [2019-10-22 08:56:40,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:40,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:40,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:40,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:40,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:40,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:40" (1/1) ... [2019-10-22 08:56:40,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58004cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:40, skipping insertion in model container [2019-10-22 08:56:40,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:40" (1/1) ... [2019-10-22 08:56:40,890 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:40,935 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:41,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:41,312 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:41,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:41,400 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:41,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41 WrapperNode [2019-10-22 08:56:41,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:41,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:41,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:41,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:41,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:41,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:41,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:41,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:41,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... [2019-10-22 08:56:41,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:41,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:41,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:41,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:41,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fa42e30b-2ba2-4138-a55b-d6d1e056b275/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 [2019-10-22 08:56:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:56:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:56:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:42,041 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:42,041 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:56:42,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:42 BoogieIcfgContainer [2019-10-22 08:56:42,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:42,043 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:42,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:42,047 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:42,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:42,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:40" (1/3) ... [2019-10-22 08:56:42,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eac3290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:42, skipping insertion in model container [2019-10-22 08:56:42,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:42,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:41" (2/3) ... [2019-10-22 08:56:42,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eac3290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:42, skipping insertion in model container [2019-10-22 08:56:42,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:42,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:42" (3/3) ... [2019-10-22 08:56:42,053 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-1.i [2019-10-22 08:56:42,098 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:42,098 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:42,099 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:42,099 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:42,099 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:42,099 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:42,099 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:42,099 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:42,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-10-22 08:56:42,136 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-10-22 08:56:42,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:42,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:42,147 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:42,147 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:42,147 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:42,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-10-22 08:56:42,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-10-22 08:56:42,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:42,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:42,149 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:42,149 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:56:42,157 INFO L791 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 18#L559true assume !(main_~length1~0 < 1); 5#L559-2true assume !(main_~length2~0 < 2); 13#L562-1true assume !(main_~length3~0 < 1); 7#L565-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 4#L551-4true [2019-10-22 08:56:42,158 INFO L793 eck$LassoCheckResult]: Loop: 4#L551-4true call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 14#L551-1true assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 3#L551-3true cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 4#L551-4true [2019-10-22 08:56:42,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:42,164 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-10-22 08:56:42,172 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:42,173 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482994719] [2019-10-22 08:56:42,173 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:42,173 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:42,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:42,336 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:42,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:42,338 INFO L82 PathProgramCache]: Analyzing trace with hash 58750, now seen corresponding path program 1 times [2019-10-22 08:56:42,338 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:42,338 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809244777] [2019-10-22 08:56:42,338 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:42,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:42,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:42,354 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:42,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:42,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1302197936, now seen corresponding path program 1 times [2019-10-22 08:56:42,356 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:42,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430955882] [2019-10-22 08:56:42,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:42,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:42,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:42,420 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:43,017 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-10-22 08:56:43,179 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-10-22 08:56:43,194 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:43,195 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:43,196 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:43,196 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:43,197 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:43,197 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:43,197 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:43,197 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:43,197 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-1.i_Iteration1_Lasso [2019-10-22 08:56:43,197 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:43,198 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:43,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,655 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-10-22 08:56:43,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:43,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:44,431 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-10-22 08:56:44,563 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:44,567 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:44,569 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 [2019-10-22 08:56:44,571 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,571 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,572 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,572 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,572 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,574 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,574 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,577 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 [2019-10-22 08:56:44,577 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,577 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,578 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,578 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,578 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,578 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,578 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,580 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 [2019-10-22 08:56:44,580 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,580 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,580 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,581 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,581 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,582 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,582 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,583 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 [2019-10-22 08:56:44,583 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,583 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,584 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,584 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,584 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,584 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,584 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,585 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,586 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 [2019-10-22 08:56:44,586 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,586 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,587 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,587 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,589 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:44,589 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:44,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,592 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 [2019-10-22 08:56:44,593 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,593 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,593 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,593 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,594 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,594 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,594 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,595 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 [2019-10-22 08:56:44,595 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,596 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,596 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,596 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,598 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:44,598 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:44,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,603 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 [2019-10-22 08:56:44,603 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,603 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,604 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,604 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,604 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,604 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,604 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,606 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 [2019-10-22 08:56:44,606 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,606 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,606 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,607 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,607 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,607 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,607 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,608 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 [2019-10-22 08:56:44,609 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,609 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,609 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,610 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,611 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:44,611 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:44,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,615 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 [2019-10-22 08:56:44,616 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,616 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,616 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,616 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,617 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,617 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,617 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,618 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 [2019-10-22 08:56:44,619 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,619 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:44,619 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,619 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,619 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,620 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:44,620 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:44,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,621 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 [2019-10-22 08:56:44,622 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,622 INFO L202 nArgumentSynthesizer]: 4 stem disjuncts [2019-10-22 08:56:44,622 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,622 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,630 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 08:56:44,630 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:44,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,682 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 [2019-10-22 08:56:44,683 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,683 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,683 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,683 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,684 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:44,684 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:44,687 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:56:44,687 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 [2019-10-22 08:56:44,688 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:44,688 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:44,688 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:44,689 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:44,693 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:56:44,694 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:56:44,749 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:44,787 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:56:44,793 INFO L444 ModelExtractionUtils]: 44 out of 49 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-10-22 08:56:44,794 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:44,797 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 08:56:44,798 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:44,798 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_1, ULTIMATE.start_cstrcat_~s.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_1 - 1*ULTIMATE.start_cstrcat_~s.offset Supporting invariants [] [2019-10-22 08:56:44,824 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-10-22 08:56:44,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 08:56:44,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:44,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:44,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:44,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 08:56:44,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:44,926 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 [2019-10-22 08:56:44,927 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-10-22 08:56:44,963 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 37 states and 47 transitions. Complement of second has 7 states. [2019-10-22 08:56:44,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:56:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:56:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2019-10-22 08:56:44,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 6 letters. Loop has 3 letters. [2019-10-22 08:56:44,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:44,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 9 letters. Loop has 3 letters. [2019-10-22 08:56:44,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:44,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 6 letters. Loop has 6 letters. [2019-10-22 08:56:44,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:44,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2019-10-22 08:56:44,972 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:44,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2019-10-22 08:56:44,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:44,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:44,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:44,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:44,977 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:44,977 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:44,978 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:44,978 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:44,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:44,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:44,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:44,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:44 BoogieIcfgContainer [2019-10-22 08:56:44,983 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:44,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:44,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:44,984 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:44,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:42" (3/4) ... [2019-10-22 08:56:44,988 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:44,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:44,990 INFO L168 Benchmark]: Toolchain (without parser) took 4117.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:44,990 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-10-22 08:56:44,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -199.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:44,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.25 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:44,992 INFO L168 Benchmark]: Boogie Preprocessor took 59.02 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. [2019-10-22 08:56:44,992 INFO L168 Benchmark]: RCFGBuilder took 516.33 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:44,993 INFO L168 Benchmark]: BuchiAutomizer took 2940.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:44,993 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:44,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 528.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -199.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.25 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.02 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 516.33 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2940.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -16.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.30 ms. Allocated memory is still 1.3 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 unknown-#length-unknown[s] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 19 SDslu, 14 SDs, 0 SdLazy, 4 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital192 mio100 ax109 hnf99 lsp88 ukn78 mio100 lsp48 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf211 smp97 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 10 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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...