./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-libowfat/strcpy_small.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_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-libowfat/strcpy_small.i -s /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/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 aa04dbf87ae0cd79c6119a8423e5cd762ca238bc ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:25:18,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:25:18,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:25:18,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:25:18,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:25:18,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:25:18,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:25:18,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:25:18,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:25:18,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:25:18,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:25:18,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:25:18,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:25:18,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:25:18,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:25:18,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:25:18,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:25:18,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:25:18,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:25:18,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:25:18,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:25:18,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:25:18,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:25:18,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:25:18,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:25:18,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:25:18,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:25:18,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:25:18,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:25:18,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:25:18,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:25:18,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:25:18,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:25:18,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:25:18,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:25:18,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:25:18,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:25:18,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:25:18,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:25:18,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:25:18,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:25:18,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 12:25:18,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:25:18,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:25:18,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:25:18,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:25:18,647 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:25:18,647 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:25:18,647 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:25:18,647 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:25:18,647 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:25:18,647 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:25:18,647 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:25:18,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:25:18,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:25:18,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:25:18,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:25:18,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:25:18,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:25:18,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:25:18,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:25:18,649 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:25:18,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:25:18,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:25:18,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:25:18,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:25:18,649 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:25:18,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:25:18,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:25:18,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:25:18,650 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:25:18,650 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:25:18,650 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_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/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 -> aa04dbf87ae0cd79c6119a8423e5cd762ca238bc [2019-12-07 12:25:18,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:25:18,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:25:18,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:25:18,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:25:18,760 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:25:18,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/../../sv-benchmarks/c/termination-libowfat/strcpy_small.i [2019-12-07 12:25:18,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/data/07f663e97/f507b8b11dec4abdb78c6ea821f71ae9/FLAGca923144c [2019-12-07 12:25:19,224 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:25:19,224 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/sv-benchmarks/c/termination-libowfat/strcpy_small.i [2019-12-07 12:25:19,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/data/07f663e97/f507b8b11dec4abdb78c6ea821f71ae9/FLAGca923144c [2019-12-07 12:25:19,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/data/07f663e97/f507b8b11dec4abdb78c6ea821f71ae9 [2019-12-07 12:25:19,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:25:19,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:25:19,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:25:19,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:25:19,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:25:19,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46069d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19, skipping insertion in model container [2019-12-07 12:25:19,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:25:19,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:25:19,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:25:19,521 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:25:19,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:25:19,583 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:25:19,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19 WrapperNode [2019-12-07 12:25:19,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:25:19,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:25:19,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:25:19,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:25:19,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:25:19,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:25:19,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:25:19,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:25:19,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... [2019-12-07 12:25:19,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:25:19,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:25:19,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:25:19,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:25:19,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/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 12:25:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:25:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:25:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:25:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:25:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:25:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:25:19,828 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:25:19,828 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 12:25:19,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:25:19 BoogieIcfgContainer [2019-12-07 12:25:19,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:25:19,829 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:25:19,829 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:25:19,831 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:25:19,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:25:19,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:25:19" (1/3) ... [2019-12-07 12:25:19,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@174aafc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:25:19, skipping insertion in model container [2019-12-07 12:25:19,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:25:19,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:25:19" (2/3) ... [2019-12-07 12:25:19,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@174aafc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:25:19, skipping insertion in model container [2019-12-07 12:25:19,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:25:19,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:25:19" (3/3) ... [2019-12-07 12:25:19,834 INFO L371 chiAutomizerObserver]: Analyzing ICFG strcpy_small.i [2019-12-07 12:25:19,862 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:25:19,862 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:25:19,862 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:25:19,863 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:25:19,863 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:25:19,863 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:25:19,863 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:25:19,863 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:25:19,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 12:25:19,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 12:25:19,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:25:19,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:25:19,889 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 12:25:19,890 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 12:25:19,890 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:25:19,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 12:25:19,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 12:25:19,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:25:19,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:25:19,891 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 12:25:19,891 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 12:25:19,896 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 10#L513true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet7;havoc main_#t~nondet7; 13#L517true assume !(main_~out_len~0 < main_~in_len~0);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := main_~out~0.base, main_~out~0.offset, main_~in~0.base, main_~in~0.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 4#L508-3true [2019-12-07 12:25:19,896 INFO L796 eck$LassoCheckResult]: Loop: 4#L508-3true strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 11#L508-1true assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~mem4;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset; 4#L508-3true [2019-12-07 12:25:19,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:25:19,900 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 12:25:19,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:25:19,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718977357] [2019-12-07 12:25:19,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:25:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:25:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:25:20,003 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:25:20,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:25:20,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2019-12-07 12:25:20,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:25:20,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068179645] [2019-12-07 12:25:20,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:25:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:25:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:25:20,018 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:25:20,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:25:20,019 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2019-12-07 12:25:20,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:25:20,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813142753] [2019-12-07 12:25:20,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:25:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:25:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:25:20,061 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:25:20,323 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2019-12-07 12:25:20,398 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:25:20,398 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:25:20,398 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:25:20,398 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:25:20,398 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:25:20,399 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:20,399 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:25:20,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:25:20,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcpy_small.i_Iteration1_Lasso [2019-12-07 12:25:20,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:25:20,399 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:25:20,418 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 12:25:20,421 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 12:25:20,422 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 12:25:20,424 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 12:25:20,425 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 12:25:20,427 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 12:25:20,428 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 12:25:20,431 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 12:25:20,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:25:20,434 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 12:25:20,435 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 12:25:20,437 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 12:25:20,439 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 12:25:20,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:25:20,640 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-12-07 12:25:20,735 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 12:25:21,067 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:25:21,071 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/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 12:25:21,075 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 12:25:21,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/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 12:25:21,085 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 12:25:21,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,092 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 12:25:21,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,099 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 12:25:21,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,106 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 12:25:21,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,113 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 12:25:21,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,120 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 12:25:21,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:25:21,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:25:21,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,131 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 12:25:21,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,138 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 12:25:21,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,145 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 12:25:21,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,153 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 12:25:21,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:25:21,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:25:21,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,162 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 12:25:21,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,169 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 12:25:21,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:25:21,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:25:21,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:25:21,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,176 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 12:25:21,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:25:21,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:25:21,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:25:21,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:25:21,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:25:21,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:25:21,204 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:25:21,243 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 12:25:21,243 INFO L444 ModelExtractionUtils]: 29 out of 49 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_199c6fcd-81b1-4cda-b9f2-faafe3f795b3/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:25:21,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:25:21,251 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 12:25:21,251 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:25:21,252 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcpy_~s1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1) = -1*ULTIMATE.start_strcpy_~s1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 Supporting invariants [] [2019-12-07 12:25:21,295 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2019-12-07 12:25:21,304 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 12:25:21,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:25:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:25:21,357 INFO L264 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 12:25:21,358 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:25:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:25:21,370 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 12:25:21,370 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:25:21,390 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 12:25:21,401 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 [2019-12-07 12:25:21,402 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-12-07 12:25:21,444 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 23 states and 25 transitions. Complement of second has 6 states. [2019-12-07 12:25:21,445 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 [2019-12-07 12:25:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 12:25:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-12-07 12:25:21,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 12:25:21,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:25:21,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 12:25:21,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:25:21,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 12:25:21,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:25:21,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2019-12-07 12:25:21,452 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:25:21,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-12-07 12:25:21,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:25:21,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:25:21,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:25:21,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:25:21,455 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:25:21,455 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:25:21,455 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:25:21,455 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:25:21,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:25:21,455 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:25:21,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 12:25:21,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:25:21 BoogieIcfgContainer [2019-12-07 12:25:21,461 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:25:21,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:25:21,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:25:21,462 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:25:21,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:25:19" (3/4) ... [2019-12-07 12:25:21,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:25:21,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:25:21,466 INFO L168 Benchmark]: Toolchain (without parser) took 2221.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 944.8 MB in the beginning and 941.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:25:21,466 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:25:21,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:25:21,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.83 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 12:25:21,467 INFO L168 Benchmark]: Boogie Preprocessor took 18.62 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:25:21,468 INFO L168 Benchmark]: RCFGBuilder took 193.72 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:25:21,468 INFO L168 Benchmark]: BuchiAutomizer took 1631.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 941.2 MB in the end (delta: 115.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:25:21,469 INFO L168 Benchmark]: Witness Printer took 3.55 ms. Allocated memory is still 1.1 GB. Free memory is still 941.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:25:21,472 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.83 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 18.62 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.72 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1631.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 941.2 MB in the end (delta: 115.1 MB). Peak memory consumption was 115.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.55 ms. Allocated memory is still 1.1 GB. Free memory is still 941.2 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 -1 * s1 + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital196 mio100 ax100 hnf98 lsp96 ukn92 mio100 lsp49 div100 bol100 ite100 ukn100 eq198 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 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...