./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/strlen.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/strlen.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/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 9e321f94e243f740485324fea88a9a86c3c635cf ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:23:45,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:23:45,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:23:45,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:23:45,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:23:45,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:23:45,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:23:45,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:23:45,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:23:45,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:23:45,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:23:45,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:23:45,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:23:45,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:23:45,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:23:45,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:23:45,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:23:45,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:23:45,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:23:45,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:23:45,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:23:45,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:23:45,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:23:45,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:23:45,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:23:45,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:23:45,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:23:45,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:23:45,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:23:45,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:23:45,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:23:45,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:23:45,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:23:45,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:23:45,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:23:45,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:23:45,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:23:45,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:23:45,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:23:45,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:23:45,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:23:45,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:23:45,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:23:45,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:23:45,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:23:45,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:23:45,191 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:23:45,191 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:23:45,191 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:23:45,191 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:23:45,192 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:23:45,192 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:23:45,192 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:23:45,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:23:45,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:23:45,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:23:45,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:23:45,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:23:45,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:23:45,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:23:45,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:23:45,193 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:23:45,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:23:45,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:23:45,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:23:45,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:23:45,194 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:23:45,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:23:45,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:23:45,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:23:45,194 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:23:45,195 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:23:45,195 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_5594c84e-4359-43ac-88da-09b073b3052b/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 -> 9e321f94e243f740485324fea88a9a86c3c635cf [2019-12-07 17:23:45,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:23:45,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:23:45,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:23:45,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:23:45,309 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:23:45,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/../../sv-benchmarks/c/termination-libowfat/strlen.i [2019-12-07 17:23:45,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/data/3d01f7081/7bf70f8e7118447aa0eceba06c2e8e78/FLAGcd32af80b [2019-12-07 17:23:45,708 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:23:45,708 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/sv-benchmarks/c/termination-libowfat/strlen.i [2019-12-07 17:23:45,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/data/3d01f7081/7bf70f8e7118447aa0eceba06c2e8e78/FLAGcd32af80b [2019-12-07 17:23:46,119 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/data/3d01f7081/7bf70f8e7118447aa0eceba06c2e8e78 [2019-12-07 17:23:46,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:23:46,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:23:46,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:23:46,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:23:46,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:23:46,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1df3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46, skipping insertion in model container [2019-12-07 17:23:46,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:23:46,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:23:46,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:23:46,361 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:23:46,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:23:46,417 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:23:46,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46 WrapperNode [2019-12-07 17:23:46,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:23:46,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:23:46,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:23:46,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:23:46,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:23:46,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:23:46,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:23:46,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:23:46,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... [2019-12-07 17:23:46,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:23:46,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:23:46,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:23:46,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:23:46,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/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 [2019-12-07 17:23:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:23:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:23:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:23:46,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:23:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:23:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:23:46,628 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:23:46,628 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:23:46,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:46 BoogieIcfgContainer [2019-12-07 17:23:46,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:23:46,630 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:23:46,630 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:23:46,632 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:23:46,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:23:46,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:23:46" (1/3) ... [2019-12-07 17:23:46,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fec23e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:23:46, skipping insertion in model container [2019-12-07 17:23:46,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:23:46,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:23:46" (2/3) ... [2019-12-07 17:23:46,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fec23e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:23:46, skipping insertion in model container [2019-12-07 17:23:46,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:23:46,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:46" (3/3) ... [2019-12-07 17:23:46,636 INFO L371 chiAutomizerObserver]: Analyzing ICFG strlen.i [2019-12-07 17:23:46,663 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:23:46,663 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:23:46,663 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:23:46,663 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:23:46,664 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:23:46,664 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:23:46,664 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:23:46,664 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:23:46,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:23:46,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:23:46,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:23:46,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:23:46,690 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 17:23:46,690 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:23:46,690 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:23:46,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:23:46,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:23:46,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:23:46,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:23:46,691 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 17:23:46,692 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:23:46,697 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~ret7, main_~in_len~0, main_~hay~0.base, main_~hay~0.offset;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 8#L514true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~hay~0.base, main_~hay~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~hay~0.base, main_~hay~0.offset + (main_~in_len~0 - 1), 1);strlen_#in~s.base, strlen_#in~s.offset := main_~hay~0.base, main_~hay~0.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 9#L508true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 4#L509-4true [2019-12-07 17:23:46,697 INFO L796 eck$LassoCheckResult]: Loop: 4#L509-4true call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 11#L509-1true assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 14#L509-3true strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 4#L509-4true [2019-12-07 17:23:46,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:46,701 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 17:23:46,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:23:46,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485104219] [2019-12-07 17:23:46,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:23:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:46,794 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:23:46,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:46,795 INFO L82 PathProgramCache]: Analyzing trace with hash 45841, now seen corresponding path program 1 times [2019-12-07 17:23:46,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:23:46,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265952053] [2019-12-07 17:23:46,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:23:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:46,806 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:23:46,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:46,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1806906826, now seen corresponding path program 1 times [2019-12-07 17:23:46,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:23:46,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335971967] [2019-12-07 17:23:46,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:23:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:23:46,838 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:23:47,025 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:23:47,026 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:23:47,026 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:23:47,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:23:47,026 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:23:47,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:23:47,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:23:47,026 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:23:47,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlen.i_Iteration1_Lasso [2019-12-07 17:23:47,027 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:23:47,027 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:23:47,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:23:47,351 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:23:47,355 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:23:47,360 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 [2019-12-07 17:23:47,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:23:47,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:23:47,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:23:47,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:23:47,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:23:47,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:23:47,385 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:23:47,407 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 17:23:47,407 INFO L444 ModelExtractionUtils]: 13 out of 25 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5594c84e-4359-43ac-88da-09b073b3052b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:23:47,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:23:47,415 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:23:47,416 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:23:47,416 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1, ULTIMATE.start_strlen_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc6.base)_1 - 1*ULTIMATE.start_strlen_~s.offset Supporting invariants [] [2019-12-07 17:23:47,429 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 17:23:47,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:23:47,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:23:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:23:47,478 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:23:47,480 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:23:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:23:47,495 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:23:47,496 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:23:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:23:47,526 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 17:23:47,527 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2019-12-07 17:23:47,580 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 26 states and 29 transitions. Complement of second has 7 states. [2019-12-07 17:23:47,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:23:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:23:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2019-12-07 17:23:47,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2019-12-07 17:23:47,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:23:47,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 17:23:47,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:23:47,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 17:23:47,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:23:47,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2019-12-07 17:23:47,589 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:23:47,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2019-12-07 17:23:47,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:23:47,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:23:47,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:23:47,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:23:47,592 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:23:47,593 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:23:47,593 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:23:47,593 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:23:47,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:23:47,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:23:47,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:23:47,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:23:47 BoogieIcfgContainer [2019-12-07 17:23:47,598 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:23:47,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:23:47,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:23:47,599 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:23:47,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:23:46" (3/4) ... [2019-12-07 17:23:47,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:23:47,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:23:47,604 INFO L168 Benchmark]: Toolchain (without parser) took 1480.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 943.5 MB in the beginning and 896.3 MB in the end (delta: 47.3 MB). Peak memory consumption was 147.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:47,604 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-12-07 17:23:47,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:47,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.54 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. [2019-12-07 17:23:47,606 INFO L168 Benchmark]: Boogie Preprocessor took 16.57 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. [2019-12-07 17:23:47,607 INFO L168 Benchmark]: RCFGBuilder took 165.55 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:47,607 INFO L168 Benchmark]: BuchiAutomizer took 968.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 896.3 MB in the end (delta: 165.4 MB). Peak memory consumption was 165.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:23:47,608 INFO L168 Benchmark]: Witness Printer took 3.42 ms. Allocated memory is still 1.1 GB. Free memory is still 896.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:23:47,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 295.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.54 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. * Boogie Preprocessor took 16.57 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 165.55 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 968.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 896.3 MB in the end (delta: 165.4 MB). Peak memory consumption was 165.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.42 ms. Allocated memory is still 1.1 GB. Free memory is still 896.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 9 SDtfs, 16 SDslu, 7 SDs, 0 SdLazy, 11 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital115 mio100 ax100 hnf99 lsp87 ukn91 mio100 lsp46 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 59ms VariablesStem: 7 VariablesLoop: 5 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...