./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/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 d1a5f8ddb22d6de2b22e195cabe7484ea1e11662 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:57:12,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:12,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:12,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:12,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:12,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:12,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:12,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:12,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:12,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:12,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:12,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:12,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:12,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:12,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:12,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:12,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:12,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:12,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:12,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:12,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:12,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:12,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:12,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:12,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:12,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:12,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:12,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:12,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:12,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:12,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:12,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:12,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:12,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:12,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:12,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:12,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:12,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:12,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:12,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:12,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:12,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 02:57:12,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:12,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:12,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:12,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:12,909 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:12,910 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 02:57:12,910 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 02:57:12,910 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 02:57:12,910 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 02:57:12,911 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 02:57:12,912 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 02:57:12,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:12,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:57:12,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:12,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:12,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 02:57:12,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 02:57:12,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 02:57:12,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:12,914 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 02:57:12,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:12,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 02:57:12,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:12,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:12,915 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 02:57:12,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:12,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:12,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:12,916 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 02:57:12,919 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 02:57:12,919 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1a5f8ddb22d6de2b22e195cabe7484ea1e11662 [2020-11-28 02:57:13,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:13,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:13,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:13,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:13,254 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:13,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2020-11-28 02:57:13,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/data/93c39b905/b0e972871dbe465fa7dcb4e6b0b6c14e/FLAG9527568b7 [2020-11-28 02:57:14,021 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:14,022 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2020-11-28 02:57:14,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/data/93c39b905/b0e972871dbe465fa7dcb4e6b0b6c14e/FLAG9527568b7 [2020-11-28 02:57:14,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/data/93c39b905/b0e972871dbe465fa7dcb4e6b0b6c14e [2020-11-28 02:57:14,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:14,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:14,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:14,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:14,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:14,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bbd651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14, skipping insertion in model container [2020-11-28 02:57:14,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:14,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:14,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:14,781 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:14,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:14,895 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:14,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14 WrapperNode [2020-11-28 02:57:14,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:14,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:14,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:14,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:14,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:14,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:14,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:14,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:14,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:15,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:15,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:15,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:15,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/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 [2020-11-28 02:57:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:57:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:57:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:57:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:57:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:15,582 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:15,582 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 02:57:15,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:15 BoogieIcfgContainer [2020-11-28 02:57:15,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:15,585 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 02:57:15,585 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 02:57:15,588 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 02:57:15,589 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:57:15,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:57:14" (1/3) ... [2020-11-28 02:57:15,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@519cfce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:15, skipping insertion in model container [2020-11-28 02:57:15,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:57:15,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (2/3) ... [2020-11-28 02:57:15,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@519cfce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:15, skipping insertion in model container [2020-11-28 02:57:15,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:57:15,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:15" (3/3) ... [2020-11-28 02:57:15,593 INFO L373 chiAutomizerObserver]: Analyzing ICFG strcmp_short.i [2020-11-28 02:57:15,652 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 02:57:15,652 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 02:57:15,652 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 02:57:15,653 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:15,653 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:15,653 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 02:57:15,653 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:15,653 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 02:57:15,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 02:57:15,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 02:57:15,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:57:15,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:57:15,692 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 02:57:15,692 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:57:15,693 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 02:57:15,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 02:57:15,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 02:57:15,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:57:15,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:57:15,695 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 02:57:15,695 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:57:15,703 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 9#L513true assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 12#L517true assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcmp_#in~s1.base, strcmp_#in~s1.offset, strcmp_#in~s2.base, strcmp_#in~s2.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcmp_#res;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset, strcmp_#t~post7.base, strcmp_#t~post7.offset, strcmp_#t~mem4, strcmp_#t~mem2, strcmp_#t~mem3, strcmp_#t~short5, strcmp_#t~mem8, strcmp_#t~mem9, strcmp_~s1.base, strcmp_~s1.offset, strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#in~s1.base, strcmp_#in~s1.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#in~s2.base, strcmp_#in~s2.offset; 10#L507-5true [2020-11-28 02:57:15,703 INFO L796 eck$LassoCheckResult]: Loop: 10#L507-5true call strcmp_#t~mem4 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);strcmp_#t~short5 := 0 != strcmp_#t~mem4; 14#L507-1true assume strcmp_#t~short5;call strcmp_#t~mem2 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);call strcmp_#t~mem3 := read~int(strcmp_~s2.base, strcmp_~s2.offset, 1);strcmp_#t~short5 := strcmp_#t~mem2 == strcmp_#t~mem3; 6#L507-3true assume !!strcmp_#t~short5;havoc strcmp_#t~mem3;havoc strcmp_#t~mem4;havoc strcmp_#t~mem2;havoc strcmp_#t~short5;strcmp_#t~post6.base, strcmp_#t~post6.offset := strcmp_~s1.base, strcmp_~s1.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#t~post6.base, 1 + strcmp_#t~post6.offset;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset;strcmp_#t~post7.base, strcmp_#t~post7.offset := strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#t~post7.base, 1 + strcmp_#t~post7.offset;havoc strcmp_#t~post7.base, strcmp_#t~post7.offset; 10#L507-5true [2020-11-28 02:57:15,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:15,710 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-28 02:57:15,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:15,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896178138] [2020-11-28 02:57:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:15,831 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:15,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:15,877 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:15,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:15,879 INFO L82 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2020-11-28 02:57:15,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:15,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656523978] [2020-11-28 02:57:15,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:15,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:15,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:15,906 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:15,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:15,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2020-11-28 02:57:15,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:15,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571063128] [2020-11-28 02:57:15,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:15,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:16,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:16,033 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:16,210 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-11-28 02:57:16,671 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2020-11-28 02:57:16,818 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-28 02:57:16,829 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:57:16,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:57:16,830 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:57:16,830 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:57:16,830 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:57:16,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:16,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:57:16,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:57:16,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration1_Lasso [2020-11-28 02:57:16,831 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:57:16,831 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:57:16,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:16,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,274 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2020-11-28 02:57:17,475 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-28 02:57:17,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:17,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:57:18,267 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:57:18,272 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,285 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 [2020-11-28 02:57:18,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,340 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 [2020-11-28 02:57:18,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,395 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 [2020-11-28 02:57:18,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,451 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 [2020-11-28 02:57:18,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,500 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 [2020-11-28 02:57:18,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,552 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 [2020-11-28 02:57:18,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,606 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 [2020-11-28 02:57:18,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,654 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 [2020-11-28 02:57:18,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,701 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 [2020-11-28 02:57:18,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:18,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,760 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 [2020-11-28 02:57:18,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:57:18,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:57:18,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:57:18,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,801 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 [2020-11-28 02:57:18,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:18,877 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 [2020-11-28 02:57:18,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,917 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 [2020-11-28 02:57:18,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:18,956 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 [2020-11-28 02:57:18,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:57:18,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:57:18,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:57:18,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:57:18,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:57:18,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:57:18,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 02:57:19,224 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2020-11-28 02:57:19,224 INFO L444 ModelExtractionUtils]: 9 out of 40 variables were initially zero. Simplification set additionally 26 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9915a552-587e-492e-a98c-65fb37c3d8f0/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:57:19,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:57:19,261 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 02:57:19,261 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 02:57:19,262 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~in_len~0, ULTIMATE.start_strcmp_~s2.offset) = 1*ULTIMATE.start_main_~in_len~0 - 1*ULTIMATE.start_strcmp_~s2.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 + 1*ULTIMATE.start_main_~in_len~0 >= 0] [2020-11-28 02:57:19,392 INFO L297 tatePredicateManager]: 14 out of 17 supporting invariants were superfluous and have been removed [2020-11-28 02:57:19,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 30 conjunts are in the unsatisfiable core [2020-11-28 02:57:19,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:19,542 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-28 02:57:19,543 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 02:57:19,582 INFO L625 ElimStorePlain]: treesize reduction 5, result has 83.9 percent of original size [2020-11-28 02:57:19,605 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-28 02:57:19,605 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 02:57:19,788 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-11-28 02:57:19,788 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:57:19,789 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 02:57:19,789 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2020-11-28 02:57:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 02:57:19,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:19,885 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-28 02:57:19,886 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2020-11-28 02:57:19,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 25 states and 30 transitions. Complement of second has 7 states. [2020-11-28 02:57:19,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 02:57:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 02:57:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2020-11-28 02:57:20,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2020-11-28 02:57:20,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:20,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2020-11-28 02:57:20,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:20,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-28 02:57:20,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:57:20,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2020-11-28 02:57:20,017 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:57:20,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-11-28 02:57:20,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 02:57:20,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 02:57:20,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 02:57:20,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:57:20,021 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:20,021 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:20,021 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:20,021 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 02:57:20,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:20,021 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 02:57:20,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 02:57:20,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:57:20 BoogieIcfgContainer [2020-11-28 02:57:20,047 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 02:57:20,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:20,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:20,064 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:20,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:15" (3/4) ... [2020-11-28 02:57:20,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:57:20,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:20,068 INFO L168 Benchmark]: Toolchain (without parser) took 5755.94 ms. Allocated memory was 81.8 MB in the beginning and 136.3 MB in the end (delta: 54.5 MB). Free memory was 49.7 MB in the beginning and 110.3 MB in the end (delta: -60.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:20,069 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:20,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.37 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 49.3 MB in the end (delta: 295.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:20,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.35 ms. Allocated memory is still 81.8 MB. Free memory was 49.3 MB in the beginning and 47.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:20,071 INFO L168 Benchmark]: Boogie Preprocessor took 50.46 ms. Allocated memory is still 81.8 MB. Free memory was 47.5 MB in the beginning and 46.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:20,071 INFO L168 Benchmark]: RCFGBuilder took 556.78 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 31.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:20,072 INFO L168 Benchmark]: BuchiAutomizer took 4461.93 ms. Allocated memory was 81.8 MB in the beginning and 136.3 MB in the end (delta: 54.5 MB). Free memory was 31.4 MB in the beginning and 111.0 MB in the end (delta: -79.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:20,072 INFO L168 Benchmark]: Witness Printer took 19.67 ms. Allocated memory is still 136.3 MB. Free memory was 111.0 MB in the beginning and 110.3 MB in the end (delta: 767.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:20,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.37 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 49.3 MB in the end (delta: 295.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.35 ms. Allocated memory is still 81.8 MB. Free memory was 49.3 MB in the beginning and 47.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.46 ms. Allocated memory is still 81.8 MB. Free memory was 47.5 MB in the beginning and 46.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 556.78 ms. Allocated memory is still 81.8 MB. Free memory was 46.1 MB in the beginning and 31.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4461.93 ms. Allocated memory was 81.8 MB in the beginning and 136.3 MB in the end (delta: 54.5 MB). Free memory was 31.4 MB in the beginning and 111.0 MB in the end (delta: -79.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 19.67 ms. Allocated memory is still 136.3 MB. Free memory was 111.0 MB in the beginning and 110.3 MB in the end (delta: 767.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * 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 in_len + -1 * s2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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: 8 SDtfs, 14 SDslu, 4 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax100 hnf99 lsp97 ukn86 mio100 lsp43 div100 bol100 ite100 ukn100 eq194 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...