./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/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 4401d2928f3fda81d6bafd7bed67698eedceeb36 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:01,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:01,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:01,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:01,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:01,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:01,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:01,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:01,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:01,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:01,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:01,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:01,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:01,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:01,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:01,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:01,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:01,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:01,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:01,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:01,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:01,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:01,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:01,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:01,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:01,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:01,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:01,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:01,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:01,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:01,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:01,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:01,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:01,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:01,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:01,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:01,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:01,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:01,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:01,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:01,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:01,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 09:01:01,416 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:01,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:01,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:01,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:01,418 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:01,418 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:01:01,418 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:01:01,418 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:01:01,419 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:01:01,419 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:01:01,419 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:01:01,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:01,419 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:01,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:01,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:01,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:01:01,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:01:01,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:01:01,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:01,420 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:01:01,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:01,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:01:01,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:01,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:01,421 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:01:01,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:01,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:01,422 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:01:01,423 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:01:01,423 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/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 -> 4401d2928f3fda81d6bafd7bed67698eedceeb36 [2019-10-22 09:01:01,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:01,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:01,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:01,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:01,476 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:01,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2019-10-22 09:01:01,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/data/483126903/019694c94ed74a51ad2ea7334c96c619/FLAG396153273 [2019-10-22 09:01:02,001 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:02,002 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2019-10-22 09:01:02,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/data/483126903/019694c94ed74a51ad2ea7334c96c619/FLAG396153273 [2019-10-22 09:01:02,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/data/483126903/019694c94ed74a51ad2ea7334c96c619 [2019-10-22 09:01:02,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:02,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:02,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:02,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:02,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:02,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c7e792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02, skipping insertion in model container [2019-10-22 09:01:02,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:02,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:02,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:02,738 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:02,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:02,839 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:02,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02 WrapperNode [2019-10-22 09:01:02,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:02,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:02,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:02,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:02,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:02,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:02,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:02,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:02,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:02,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:02,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:02,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:02,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2de8f362-0bc0-40d9-9d26-cfee0fc03838/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:01:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:01:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:01:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:03,119 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:03,119 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:01:03,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:03 BoogieIcfgContainer [2019-10-22 09:01:03,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:03,121 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:01:03,121 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:01:03,124 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:01:03,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:03,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:01:02" (1/3) ... [2019-10-22 09:01:03,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dbbd266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:03, skipping insertion in model container [2019-10-22 09:01:03,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:03,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (2/3) ... [2019-10-22 09:01:03,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dbbd266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:03, skipping insertion in model container [2019-10-22 09:01:03,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:03,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:03" (3/3) ... [2019-10-22 09:01:03,129 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_mixed_alloca.i [2019-10-22 09:01:03,180 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:01:03,180 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:01:03,180 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:01:03,180 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:03,181 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:03,181 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:01:03,181 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:03,181 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:01:03,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-10-22 09:01:03,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 09:01:03,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:03,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:03,228 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-10-22 09:01:03,228 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 09:01:03,228 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:01:03,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-10-22 09:01:03,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 09:01:03,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:03,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:03,230 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-10-22 09:01:03,231 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 09:01:03,241 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 7#L368-3true [2019-10-22 09:01:03,251 INFO L793 eck$LassoCheckResult]: Loop: 7#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 7#L368-3true [2019-10-22 09:01:03,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:03,257 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-10-22 09:01:03,265 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:03,265 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240931932] [2019-10-22 09:01:03,266 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,266 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:03,396 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:03,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:03,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2019-10-22 09:01:03,398 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:03,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086075400] [2019-10-22 09:01:03,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:03,415 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:03,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:03,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2019-10-22 09:01:03,417 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:03,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820942358] [2019-10-22 09:01:03,418 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,418 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:03,486 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:03,962 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-10-22 09:01:04,085 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-10-22 09:01:04,098 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:01:04,098 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:01:04,099 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:01:04,100 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:01:04,100 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:01:04,100 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:04,100 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:01:04,100 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:01:04,100 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy_mixed_alloca.i_Iteration1_Lasso [2019-10-22 09:01:04,101 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:01:04,101 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:01:04,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,463 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-10-22 09:01:04,598 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-10-22 09:01:04,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:04,812 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-10-22 09:01:05,457 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-10-22 09:01:05,492 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:01:05,497 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:01:05,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,501 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,502 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,502 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,502 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,503 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,505 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,505 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,509 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,509 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,509 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,510 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,510 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,510 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,510 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,512 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,513 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,513 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,513 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,516 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:05,516 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:05,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,521 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,522 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,522 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,522 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,522 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,523 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,523 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,525 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,525 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,526 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,526 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,526 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,526 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,526 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,528 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,528 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,529 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,529 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,531 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:05,531 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:05,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,536 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,536 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,536 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,536 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,536 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,537 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,537 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,539 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,539 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,540 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,540 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,540 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,540 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,540 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,543 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,543 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,543 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,543 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,543 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,544 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,544 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,546 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,546 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:05,547 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,547 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,547 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,547 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:05,547 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:05,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,550 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,550 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,550 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,551 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,553 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:05,553 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:05,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,568 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,569 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,569 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,569 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,571 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:05,571 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:05,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,577 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,577 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,578 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,578 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,580 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:05,580 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:05,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,593 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,594 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,594 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,594 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,596 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:05,596 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:05,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:05,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:01:05,600 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:05,600 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:05,600 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:05,600 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:05,608 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:05,608 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:05,759 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:01:05,850 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-10-22 09:01:05,851 INFO L444 ModelExtractionUtils]: 45 out of 52 variables were initially zero. Simplification set additionally 4 variables to zero. [2019-10-22 09:01:05,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:01:05,857 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 09:01:05,857 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:01:05,858 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset) = 2*ULTIMATE.start_cstrcpy_~dst~0.offset + 1 Supporting invariants [] [2019-10-22 09:01:05,893 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2019-10-22 09:01:05,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:05,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 09:01:05,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:06,034 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 09:01:06,038 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-10-22 09:01:06,086 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2019-10-22 09:01:06,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 09:01:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 09:01:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-10-22 09:01:06,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2019-10-22 09:01:06,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:06,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2019-10-22 09:01:06,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:06,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2019-10-22 09:01:06,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:06,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-10-22 09:01:06,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:01:06,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-10-22 09:01:06,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:01:06,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:01:06,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:01:06,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:06,113 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:06,114 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:06,114 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:06,114 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:01:06,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:06,114 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:01:06,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:01:06,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:01:06 BoogieIcfgContainer [2019-10-22 09:01:06,122 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:01:06,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:06,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:06,123 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:06,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:03" (3/4) ... [2019-10-22 09:01:06,127 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:01:06,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:06,129 INFO L168 Benchmark]: Toolchain (without parser) took 3791.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 929.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,131 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:06,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:06,132 INFO L168 Benchmark]: Boogie Preprocessor took 19.10 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,133 INFO L168 Benchmark]: RCFGBuilder took 220.57 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,133 INFO L168 Benchmark]: BuchiAutomizer took 3000.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.9 MB in the end (delta: 164.3 MB). Peak memory consumption was 164.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:06,134 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 929.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:06,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 501.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.10 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 220.57 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3000.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.9 MB in the end (delta: 164.3 MB). Peak memory consumption was 164.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 929.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * dst + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp49 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf175 smp97 tf100 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...