./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/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 03de162ccadd41d16dfce723d629801bfe048af4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:37:30,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:37:30,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:37:30,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:37:30,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:37:30,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:37:30,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:37:30,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:37:30,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:37:30,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:37:30,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:37:30,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:37:30,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:37:30,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:37:30,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:37:30,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:37:30,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:37:30,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:37:30,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:37:30,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:37:30,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:37:30,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:37:30,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:37:30,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:37:30,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:37:30,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:37:30,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:37:30,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:37:30,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:37:30,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:37:30,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:37:30,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:37:30,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:37:30,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:37:30,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:37:30,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:37:30,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:37:30,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:37:30,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:37:30,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:37:30,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:37:30,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 23:37:30,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:37:30,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:37:30,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:37:30,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:37:30,846 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:37:30,846 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 23:37:30,846 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 23:37:30,846 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 23:37:30,846 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 23:37:30,847 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 23:37:30,847 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 23:37:30,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:37:30,847 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:37:30,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:37:30,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:37:30,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 23:37:30,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 23:37:30,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 23:37:30,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:37:30,849 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 23:37:30,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:37:30,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 23:37:30,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:37:30,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:37:30,852 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 23:37:30,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:37:30,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:37:30,855 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 23:37:30,856 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 23:37:30,856 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/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 -> 03de162ccadd41d16dfce723d629801bfe048af4 [2019-11-15 23:37:30,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:37:30,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:37:30,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:37:30,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:37:30,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:37:30,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i [2019-11-15 23:37:30,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/data/cbc10e505/601bb3911119422ebef1695dc4e71885/FLAGce6fa7934 [2019-11-15 23:37:31,304 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:37:31,304 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i [2019-11-15 23:37:31,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/data/cbc10e505/601bb3911119422ebef1695dc4e71885/FLAGce6fa7934 [2019-11-15 23:37:31,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/data/cbc10e505/601bb3911119422ebef1695dc4e71885 [2019-11-15 23:37:31,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:37:31,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:37:31,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:37:31,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:37:31,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:37:31,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:37:31" (1/1) ... [2019-11-15 23:37:31,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151d55c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:31, skipping insertion in model container [2019-11-15 23:37:31,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:37:31" (1/1) ... [2019-11-15 23:37:31,730 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:37:31,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:37:31,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:37:31,974 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:37:32,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:37:32,077 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:37:32,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32 WrapperNode [2019-11-15 23:37:32,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:37:32,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:37:32,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:37:32,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:37:32,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:37:32,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:37:32,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:37:32,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:37:32,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... [2019-11-15 23:37:32,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:37:32,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:37:32,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:37:32,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:37:32,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa15533c-e9bc-4af5-a7b3-e1a4e6ee007a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:37:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:37:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 23:37:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:37:32,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:37:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:37:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure rec_cstrlen [2019-11-15 23:37:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_cstrlen [2019-11-15 23:37:32,444 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:37:32,445 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:37:32,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:37:32 BoogieIcfgContainer [2019-11-15 23:37:32,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:37:32,447 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 23:37:32,447 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 23:37:32,451 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 23:37:32,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:37:32,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 11:37:31" (1/3) ... [2019-11-15 23:37:32,453 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71154d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:37:32, skipping insertion in model container [2019-11-15 23:37:32,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:37:32,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:32" (2/3) ... [2019-11-15 23:37:32,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71154d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:37:32, skipping insertion in model container [2019-11-15 23:37:32,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:37:32,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:37:32" (3/3) ... [2019-11-15 23:37:32,456 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_strlen_malloc.i [2019-11-15 23:37:32,504 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 23:37:32,505 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 23:37:32,505 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 23:37:32,506 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:37:32,506 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:37:32,506 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 23:37:32,506 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:37:32,506 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 23:37:32,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-15 23:37:32,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:37:32,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:37:32,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:37:32,559 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 23:37:32,559 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:37:32,559 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 23:37:32,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-15 23:37:32,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:37:32,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:37:32,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:37:32,564 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 23:37:32,564 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:37:32,572 INFO L791 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~ret5.base, main_#t~ret5.offset, main_#t~ret6;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet1, build_nondet_String_#t~malloc2.base, build_nondet_String_#t~malloc2.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet1;havoc build_nondet_String_#t~nondet1; 12#L11true assume !(build_nondet_String_~length~0 < 1); 9#L11-2true call build_nondet_String_#t~malloc2.base, build_nondet_String_#t~malloc2.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc2.base, build_nondet_String_#t~malloc2.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 3#L16true main_#t~ret5.base, main_#t~ret5.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset; 8#L30true call main_#t~ret6 := rec_cstrlen(main_#t~ret5.base, main_#t~ret5.offset);< 4#rec_cstrlenENTRYtrue [2019-11-15 23:37:32,573 INFO L793 eck$LassoCheckResult]: Loop: 4#rec_cstrlenENTRYtrue ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem3 := read~int(~s.base, ~s.offset, 1); 14#L22true assume !(0 == #t~mem3);havoc #t~mem3; 18#L25true call #t~ret4 := rec_cstrlen(~s.base, 1 + ~s.offset);< 4#rec_cstrlenENTRYtrue [2019-11-15 23:37:32,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:32,579 INFO L82 PathProgramCache]: Analyzing trace with hash 889568275, now seen corresponding path program 1 times [2019-11-15 23:37:32,587 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:32,588 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432290857] [2019-11-15 23:37:32,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:32,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:32,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:37:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:37:32,709 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:37:32,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:32,710 INFO L82 PathProgramCache]: Analyzing trace with hash 46806, now seen corresponding path program 1 times [2019-11-15 23:37:32,710 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:32,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69018190] [2019-11-15 23:37:32,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:32,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:32,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:37:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:37:32,725 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:37:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:32,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1180281220, now seen corresponding path program 1 times [2019-11-15 23:37:32,727 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:32,728 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029628759] [2019-11-15 23:37:32,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:32,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:32,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:37:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:37:32,795 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:37:33,162 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-15 23:37:33,399 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:37:33,400 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:37:33,400 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:37:33,400 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:37:33,400 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:37:33,400 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:37:33,400 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:37:33,401 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:37:33,401 INFO L131 ssoRankerPreferences]: Filename of dumped script: rec_strlen_malloc.i_Iteration1_Lasso [2019-11-15 23:37:33,401 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:37:33,401 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:37:33,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:37:33,850 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:37:33,853 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:37:33,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,856 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,857 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,857 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,857 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,858 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,859 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,860 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,862 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,863 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,863 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,863 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,863 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,864 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,864 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,866 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,866 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,866 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,866 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,866 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,867 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,867 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,869 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,869 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,869 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,869 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,869 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,870 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,870 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,872 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,872 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,873 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,873 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,873 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,873 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,873 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,877 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,877 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,877 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,877 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,880 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:37:33,880 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:37:33,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,885 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,886 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,886 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,886 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,886 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,887 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,887 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,889 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,889 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,889 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,889 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,889 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,890 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,890 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,892 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,892 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,892 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,892 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,892 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,893 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,893 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,895 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,895 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,896 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,896 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,896 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,896 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,896 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,898 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,899 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,899 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,899 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,899 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,900 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:37:33,900 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,902 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,902 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:37:33,902 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,902 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 23:37:33,903 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,904 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 23:37:33,904 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:37:33,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,910 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,910 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,910 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,910 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,913 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:37:33,914 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:37:33,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,931 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,931 INFO L202 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-15 23:37:33,931 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,931 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,935 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-15 23:37:33,936 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:37:33,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,963 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,964 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,964 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,964 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,967 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:37:33,971 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:37:33,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:37:33,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:37:33,989 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:37:33,989 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:37:33,989 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:37:33,989 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:37:33,993 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:37:33,993 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:37:34,066 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:37:34,092 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 23:37:34,092 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-15 23:37:34,094 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:37:34,096 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-15 23:37:34,097 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:37:34,098 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_cstrlen_#in~s.base)_1, rec_cstrlen_#in~s.offset) = 1*v_rep(select #length rec_cstrlen_#in~s.base)_1 - 1*rec_cstrlen_#in~s.offset Supporting invariants [] [2019-11-15 23:37:34,113 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-15 23:37:34,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-15 23:37:34,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:34,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:37:34,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:37:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:34,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 23:37:34,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:37:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:37:34,244 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-15 23:37:34,246 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-15 23:37:34,332 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 31 states and 36 transitions. Complement of second has 8 states. [2019-11-15 23:37:34,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-15 23:37:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 23:37:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-11-15 23:37:34,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-15 23:37:34,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:37:34,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-15 23:37:34,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:37:34,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-15 23:37:34,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:37:34,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2019-11-15 23:37:34,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:37:34,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2019-11-15 23:37:34,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:37:34,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:37:34,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:37:34,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:37:34,350 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:37:34,350 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:37:34,350 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:37:34,350 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 23:37:34,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:37:34,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:37:34,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 23:37:34,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 11:37:34 BoogieIcfgContainer [2019-11-15 23:37:34,357 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 23:37:34,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:37:34,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:37:34,358 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:37:34,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:37:32" (3/4) ... [2019-11-15 23:37:34,364 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:37:34,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:37:34,368 INFO L168 Benchmark]: Toolchain (without parser) took 2658.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.1 MB in the beginning and 938.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 149.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:34,368 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:37:34,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:34,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.16 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:34,372 INFO L168 Benchmark]: Boogie Preprocessor took 19.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:37:34,373 INFO L168 Benchmark]: RCFGBuilder took 312.22 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:34,374 INFO L168 Benchmark]: BuchiAutomizer took 1910.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:34,375 INFO L168 Benchmark]: Witness Printer took 7.50 ms. Allocated memory is still 1.2 GB. Free memory is still 938.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:37:34,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.16 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.67 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 312.22 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1910.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.50 ms. Allocated memory is still 1.2 GB. Free memory is still 938.6 MB. 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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: 11 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital88 mio100 ax100 hnf100 lsp93 ukn64 mio100 lsp50 div100 bol100 ite100 ukn100 eq166 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...