./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/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 7360833afd5a8b935377ce87ce4cc4a6584d3d0c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:50,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:50,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:50,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:50,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:50,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:50,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:50,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:50,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:50,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:50,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:50,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:50,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:50,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:50,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:50,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:50,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:50,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:50,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:50,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:50,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:50,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:50,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:50,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:50,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:50,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:50,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:50,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:50,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:50,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:50,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:50,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:50,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:50,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:50,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:50,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:50,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:50,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:50,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:50,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:50,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:50,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 09:02:50,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:50,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:50,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:50,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:50,565 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:50,567 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:02:50,567 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:02:50,567 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:02:50,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:02:50,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:02:50,567 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:02:50,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:50,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:50,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:50,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:50,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:02:50,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:02:50,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:02:50,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:50,569 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:02:50,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:50,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:02:50,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:50,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:50,570 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:02:50,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:50,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:50,570 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:02:50,571 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:02:50,572 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/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 -> 7360833afd5a8b935377ce87ce4cc4a6584d3d0c [2019-10-22 09:02:50,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:50,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:50,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:50,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:50,606 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:50,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2019-10-22 09:02:50,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/data/936e635ae/ba6f0318ce474d3c856ca67451fd0432/FLAGf951badcc [2019-10-22 09:02:51,036 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:51,037 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncat-alloca-1.i [2019-10-22 09:02:51,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/data/936e635ae/ba6f0318ce474d3c856ca67451fd0432/FLAGf951badcc [2019-10-22 09:02:51,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/data/936e635ae/ba6f0318ce474d3c856ca67451fd0432 [2019-10-22 09:02:51,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:51,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:51,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:51,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:51,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:51,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d423bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51, skipping insertion in model container [2019-10-22 09:02:51,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,073 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:51,115 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:51,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:51,473 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:51,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:51,546 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:51,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51 WrapperNode [2019-10-22 09:02:51,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:51,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:51,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:51,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:51,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:51,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:51,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:51,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:51,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... [2019-10-22 09:02:51,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:51,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:51,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:51,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:51,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5544f1a0-c0d6-487b-a70d-0780da3aeb1d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:51,914 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:51,915 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 09:02:51,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:51 BoogieIcfgContainer [2019-10-22 09:02:51,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:51,916 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:02:51,916 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:02:51,920 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:02:51,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:51,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:02:51" (1/3) ... [2019-10-22 09:02:51,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd11614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:51, skipping insertion in model container [2019-10-22 09:02:51,921 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:51,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:51" (2/3) ... [2019-10-22 09:02:51,922 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fd11614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:51, skipping insertion in model container [2019-10-22 09:02:51,922 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:51,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:51" (3/3) ... [2019-10-22 09:02:51,924 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncat-alloca-1.i [2019-10-22 09:02:51,962 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:02:51,963 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:02:51,963 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:02:51,963 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:51,963 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:51,963 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:02:51,963 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:51,963 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:02:51,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-10-22 09:02:51,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-10-22 09:02:51,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:51,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:52,000 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:52,000 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 09:02:52,000 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:02:52,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-10-22 09:02:52,001 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-10-22 09:02:52,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:52,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:52,002 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:52,002 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 09:02:52,012 INFO L791 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13.base, main_#t~ret13.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length2~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 4#L568true assume !(main_~length1~0 < 1); 6#L568-2true assume !(main_~length2~0 < 1); 21#L571-1true assume !(main_~n~0 < 1); 13#L574-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~dst.base, cstrncat_#in~dst.offset, cstrncat_#in~src.base, cstrncat_#in~src.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post5.base, cstrncat_#t~post5.offset, cstrncat_#t~mem6, cstrncat_#t~post7.base, cstrncat_#t~post7.offset, cstrncat_#t~pre4, cstrncat_~d~0.base, cstrncat_~d~0.offset, cstrncat_~s~0.base, cstrncat_~s~0.offset, cstrncat_~dst.base, cstrncat_~dst.offset, cstrncat_~src.base, cstrncat_~src.offset, cstrncat_~n;cstrncat_~dst.base, cstrncat_~dst.offset := cstrncat_#in~dst.base, cstrncat_#in~dst.offset;cstrncat_~src.base, cstrncat_~src.offset := cstrncat_#in~src.base, cstrncat_#in~src.offset;cstrncat_~n := cstrncat_#in~n; 18#L550true assume 0 != cstrncat_~n % 4294967296;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_~dst.base, cstrncat_~dst.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~src.base, cstrncat_~src.offset; 19#L553-3true [2019-10-22 09:02:52,013 INFO L793 eck$LassoCheckResult]: Loop: 19#L553-3true call cstrncat_#t~mem2 := read~int(cstrncat_~d~0.base, cstrncat_~d~0.offset, 1); 12#L553-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~d~0.base, cstrncat_~d~0.offset;cstrncat_~d~0.base, cstrncat_~d~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 19#L553-3true [2019-10-22 09:02:52,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:52,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939629, now seen corresponding path program 1 times [2019-10-22 09:02:52,024 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:52,025 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782783332] [2019-10-22 09:02:52,025 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,025 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:52,188 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:52,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:52,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2019-10-22 09:02:52,189 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:52,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301094972] [2019-10-22 09:02:52,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,190 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:52,200 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:52,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:52,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1302196946, now seen corresponding path program 1 times [2019-10-22 09:02:52,202 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:52,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500099619] [2019-10-22 09:02:52,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,203 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:52,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:52,253 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:52,742 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2019-10-22 09:02:52,889 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-22 09:02:52,899 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:02:52,899 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:02:52,900 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:02:52,900 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:02:52,900 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:02:52,900 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:52,900 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:02:52,900 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:02:52,901 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncat-alloca-1.i_Iteration1_Lasso [2019-10-22 09:02:52,901 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:02:52,901 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:02:52,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:52,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:02:53,291 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-10-22 09:02:53,602 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-10-22 09:02:54,114 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-10-22 09:02:54,251 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:02:54,255 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:02:54,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,258 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,258 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,259 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,259 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,260 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,261 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,261 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,265 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,265 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,266 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,266 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,266 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,266 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,266 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,268 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,268 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,268 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,268 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,270 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,270 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,278 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,278 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,278 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,279 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,279 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,291 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,291 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,293 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,293 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,293 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,293 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,295 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,295 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,300 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,300 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,300 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,300 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,300 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,301 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,301 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,302 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,302 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,302 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,303 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,315 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,315 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,315 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,318 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,318 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,318 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,318 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,318 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,319 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,319 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,320 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,320 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,320 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,321 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,321 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,321 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,321 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,322 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,323 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,323 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,323 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,324 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,324 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,332 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,332 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,332 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,332 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,333 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,333 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,333 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,335 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,335 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,335 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,335 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,335 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,337 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,337 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,339 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,339 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,339 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,340 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,340 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,340 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,340 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,342 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,342 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,342 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,342 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,342 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,342 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,343 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,347 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,347 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,347 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,347 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,347 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,348 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,348 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,349 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,349 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,350 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,350 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,350 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,350 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,350 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,355 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,355 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,355 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,355 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,356 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,356 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,360 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 [2019-10-22 09:02:54,360 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,361 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,361 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,361 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,361 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,361 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,361 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,371 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,371 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,371 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,371 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,371 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,372 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,372 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,373 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,373 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,374 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,374 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,374 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,374 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,374 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,377 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,377 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,377 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,377 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,378 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,379 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,386 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,386 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:02:54,386 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,387 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,387 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,387 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:02:54,387 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:02:54,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,389 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,389 INFO L202 nArgumentSynthesizer]: 4 stem disjuncts [2019-10-22 09:02:54,389 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,389 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,397 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-10-22 09:02:54,398 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:02:54,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 09:02:54,464 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:02:54,464 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:02:54,464 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:02:54,464 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:02:54,468 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:02:54,468 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:02:54,517 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:02:54,554 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-10-22 09:02:54,555 INFO L444 ModelExtractionUtils]: 38 out of 43 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-10-22 09:02:54,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:02:54,558 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 09:02:54,558 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:02:54,558 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncat_~d~0.base)_1, ULTIMATE.start_cstrncat_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncat_~d~0.base)_1 - 1*ULTIMATE.start_cstrncat_~d~0.offset Supporting invariants [] [2019-10-22 09:02:54,579 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-10-22 09:02:54,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 09:02:54,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:54,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:02:54,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:54,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 09:02:54,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:54,677 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 09:02:54,678 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2019-10-22 09:02:54,744 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 49 states and 64 transitions. Complement of second has 7 states. [2019-10-22 09:02:54,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:02:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 09:02:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2019-10-22 09:02:54,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 2 letters. [2019-10-22 09:02:54,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:54,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 9 letters. Loop has 2 letters. [2019-10-22 09:02:54,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:54,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 4 letters. [2019-10-22 09:02:54,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:02:54,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 64 transitions. [2019-10-22 09:02:54,754 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:02:54,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2019-10-22 09:02:54,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:02:54,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:02:54,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:02:54,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:02:54,760 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:54,760 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:54,760 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:54,760 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:02:54,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:54,760 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:02:54,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:02:54,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:54 BoogieIcfgContainer [2019-10-22 09:02:54,766 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:54,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:54,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:54,768 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:54,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:51" (3/4) ... [2019-10-22 09:02:54,771 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:02:54,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:54,772 INFO L168 Benchmark]: Toolchain (without parser) took 3712.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:54,773 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:54,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -210.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:54,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:54,774 INFO L168 Benchmark]: Boogie Preprocessor took 23.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:54,774 INFO L168 Benchmark]: RCFGBuilder took 309.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:54,776 INFO L168 Benchmark]: BuchiAutomizer took 2850.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.7 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:54,776 INFO L168 Benchmark]: Witness Printer took 4.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:54,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 486.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -210.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 309.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2850.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.7 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.69 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[d] + -1 * d and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 37 SDslu, 12 SDs, 0 SdLazy, 8 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital215 mio100 ax108 hnf98 lsp89 ukn78 mio100 lsp42 div154 bol100 ite100 ukn100 eq170 hnf73 smp94 dnf219 smp97 tf100 neg96 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 74ms VariablesStem: 11 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...