./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 76da3a81dee1d435f94d1997f88b6b1f891a43a1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:31:48,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:31:48,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:31:48,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:31:48,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:31:48,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:31:48,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:31:48,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:31:48,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:31:48,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:31:48,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:31:48,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:31:48,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:31:48,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:31:48,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:31:48,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:31:48,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:31:48,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:31:48,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:31:48,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:31:48,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:31:48,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:31:48,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:31:48,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:31:48,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:31:48,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:31:48,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:31:48,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:31:48,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:31:48,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:31:48,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:31:48,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:31:48,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:31:48,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:31:48,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:31:48,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:31:48,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:31:48,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:31:48,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:31:48,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:31:48,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:31:48,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 23:31:48,925 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:31:48,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:31:48,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:31:48,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:31:48,927 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:31:48,927 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 23:31:48,927 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 23:31:48,928 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 23:31:48,928 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 23:31:48,928 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 23:31:48,928 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 23:31:48,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:31:48,929 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:31:48,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:31:48,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:31:48,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 23:31:48,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 23:31:48,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 23:31:48,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:31:48,930 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 23:31:48,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:31:48,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 23:31:48,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:31:48,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:31:48,931 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 23:31:48,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:31:48,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:31:48,932 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 23:31:48,933 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 23:31:48,933 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_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76da3a81dee1d435f94d1997f88b6b1f891a43a1 [2019-11-15 23:31:48,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:31:48,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:31:48,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:31:48,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:31:48,996 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:31:48,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2019-11-15 23:31:49,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/data/7d48ac3ba/db78f0c9baf7435681e98e950eb4db78/FLAGf60f3611b [2019-11-15 23:31:49,518 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:31:49,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2019-11-15 23:31:49,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/data/7d48ac3ba/db78f0c9baf7435681e98e950eb4db78/FLAGf60f3611b [2019-11-15 23:31:49,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/bin/uautomizer/data/7d48ac3ba/db78f0c9baf7435681e98e950eb4db78 [2019-11-15 23:31:49,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:31:49,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:31:49,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:31:49,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:31:49,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:31:49,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:31:49" (1/1) ... [2019-11-15 23:31:49,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639d099c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:49, skipping insertion in model container [2019-11-15 23:31:49,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:31:49" (1/1) ... [2019-11-15 23:31:49,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:31:49,903 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:31:50,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:31:50,308 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:31:50,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:31:50,420 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:31:50,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50 WrapperNode [2019-11-15 23:31:50,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:31:50,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:31:50,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:31:50,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:31:50,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:31:50,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:31:50,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:31:50,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:31:50,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... [2019-11-15 23:31:50,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:31:50,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:31:50,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:31:50,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:31:50,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef3d00a-fbd1-47ea-92ad-a39e5b3bd01a/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 23:31:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:31:50,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:31:50,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:31:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:31:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:31:50,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:31:50,930 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:31:50,930 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-15 23:31:50,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:31:50 BoogieIcfgContainer [2019-11-15 23:31:50,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:31:50,932 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 23:31:50,932 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 23:31:50,935 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 23:31:50,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:31:50,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 11:31:49" (1/3) ... [2019-11-15 23:31:50,937 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d85218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:31:50, skipping insertion in model container [2019-11-15 23:31:50,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:31:50,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:31:50" (2/3) ... [2019-11-15 23:31:50,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d85218f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:31:50, skipping insertion in model container [2019-11-15 23:31:50,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:31:50,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:31:50" (3/3) ... [2019-11-15 23:31:50,941 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-1.i [2019-11-15 23:31:50,995 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 23:31:50,995 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 23:31:50,997 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 23:31:50,997 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:31:50,998 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:31:50,998 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 23:31:50,998 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:31:50,998 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 23:31:51,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-15 23:31:51,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-15 23:31:51,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:31:51,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:31:51,044 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 23:31:51,044 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:31:51,044 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 23:31:51,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-15 23:31:51,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-15 23:31:51,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:31:51,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:31:51,047 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-15 23:31:51,047 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:31:51,054 INFO L791 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 18#L559true assume !(main_~length1~0 < 1); 5#L559-2true assume !(main_~length2~0 < 2); 13#L562-1true assume !(main_~length3~0 < 1); 7#L565-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 4#L551-4true [2019-11-15 23:31:51,055 INFO L793 eck$LassoCheckResult]: Loop: 4#L551-4true call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 14#L551-1true assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 3#L551-3true cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 4#L551-4true [2019-11-15 23:31:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:31:51,060 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-11-15 23:31:51,068 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:31:51,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436855669] [2019-11-15 23:31:51,069 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:31:51,069 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:31:51,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:31:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:31:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:31:51,220 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:31:51,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:31:51,221 INFO L82 PathProgramCache]: Analyzing trace with hash 58750, now seen corresponding path program 1 times [2019-11-15 23:31:51,221 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:31:51,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320466272] [2019-11-15 23:31:51,222 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:31:51,222 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:31:51,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:31:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:31:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:31:51,241 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:31:51,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:31:51,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1302197936, now seen corresponding path program 1 times [2019-11-15 23:31:51,243 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:31:51,243 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187193496] [2019-11-15 23:31:51,243 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:31:51,244 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:31:51,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:31:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:31:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:31:51,304 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:31:51,843 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2019-11-15 23:31:52,001 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-15 23:31:52,011 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:31:52,012 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:31:52,012 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:31:52,013 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:31:52,013 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:31:52,013 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:31:52,013 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:31:52,013 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:31:52,014 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-1.i_Iteration1_Lasso [2019-11-15 23:31:52,014 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:31:52,014 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:31:52,039 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 23:31:52,045 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 23:31:52,048 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 23:31:52,051 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 23:31:52,054 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 23:31:52,058 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 23:31:52,060 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 23:31:52,066 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 23:31:52,069 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 23:31:52,072 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 23:31:52,076 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 23:31:52,083 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 23:31:52,085 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 23:31:52,435 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-11-15 23:31:52,516 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 23:31:52,519 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 23:31:52,521 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 23:31:52,524 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 23:31:52,527 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 23:31:52,530 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 23:31:52,533 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 23:31:52,536 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 23:31:52,538 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 23:31:53,361 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-11-15 23:31:53,568 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:31:53,576 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:31:53,579 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 23:31:53,582 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,582 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,583 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,583 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,584 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,586 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,586 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:31:53,598 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,601 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,602 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,602 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,602 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,603 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,603 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:31:53,614 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,614 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,614 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,614 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,615 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,617 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,617 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,620 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 23:31:53,621 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,637 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,638 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,638 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,638 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,638 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,639 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,640 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 23:31:53,641 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,641 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,641 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,641 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,643 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:31:53,644 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:31:53,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,650 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 23:31:53,650 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,651 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,651 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,651 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,651 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,652 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,652 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,653 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 23:31:53,654 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,654 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,654 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,655 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,656 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:31:53,657 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:31:53,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,662 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 23:31:53,663 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,663 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,663 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,663 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,664 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,664 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,664 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,666 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 23:31:53,666 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,666 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,667 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,667 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,667 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,668 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,668 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,669 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 23:31:53,670 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,670 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,670 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,670 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,672 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:31:53,672 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:31:53,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,676 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 23:31:53,677 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,677 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,677 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,677 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,677 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,678 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,678 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,679 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 23:31:53,680 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,680 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:31:53,681 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,681 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,681 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,681 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:31:53,685 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:31:53,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:31:53,688 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,690 INFO L202 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-15 23:31:53,690 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,690 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,700 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 23:31:53,710 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:31:53,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,788 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 23:31:53,790 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,790 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,790 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,790 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,791 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:31:53,792 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:31:53,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:31:53,795 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 23:31:53,795 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:31:53,796 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:31:53,796 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:31:53,796 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:31:53,801 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:31:53,801 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:31:53,869 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:31:53,926 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-15 23:31:53,928 INFO L444 ModelExtractionUtils]: 44 out of 49 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-11-15 23:31:53,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:31:53,932 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-15 23:31:53,933 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:31:53,934 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_1, ULTIMATE.start_cstrcat_~s.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcat_~s.base)_1 - 1*ULTIMATE.start_cstrcat_~s.offset Supporting invariants [] [2019-11-15 23:31:53,966 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-11-15 23:31:53,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-15 23:31:54,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:31:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:31:54,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:31:54,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:31:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:31:54,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 23:31:54,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:31:54,051 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 23:31:54,063 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 23:31:54,064 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-15 23:31:54,123 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 37 states and 47 transitions. Complement of second has 7 states. [2019-11-15 23:31:54,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-15 23:31:54,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 23:31:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2019-11-15 23:31:54,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-15 23:31:54,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:31:54,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-15 23:31:54,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:31:54,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-15 23:31:54,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:31:54,130 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2019-11-15 23:31:54,134 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:31:54,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2019-11-15 23:31:54,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:31:54,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:31:54,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:31:54,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:31:54,140 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:31:54,140 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:31:54,140 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:31:54,140 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 23:31:54,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:31:54,140 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:31:54,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 23:31:54,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 11:31:54 BoogieIcfgContainer [2019-11-15 23:31:54,147 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 23:31:54,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:31:54,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:31:54,148 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:31:54,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:31:50" (3/4) ... [2019-11-15 23:31:54,151 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:31:54,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:31:54,153 INFO L168 Benchmark]: Toolchain (without parser) took 4299.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:31:54,154 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:31:54,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:31:54,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:31:54,156 INFO L168 Benchmark]: Boogie Preprocessor took 58.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:31:54,156 INFO L168 Benchmark]: RCFGBuilder took 405.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:31:54,157 INFO L168 Benchmark]: BuchiAutomizer took 3215.01 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -45.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:31:54,158 INFO L168 Benchmark]: Witness Printer took 4.58 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 23:31:54,161 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 566.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 405.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3215.01 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -45.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 19 SDslu, 14 SDs, 0 SdLazy, 4 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital192 mio100 ax109 hnf99 lsp88 ukn78 mio100 lsp48 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf211 smp97 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 95ms VariablesStem: 10 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...