./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 847cffc9d6215c496aa28b39684013a0c5d7b1c3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:53:43,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:53:43,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:53:43,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:53:43,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:53:43,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:53:43,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:53:43,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:53:43,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:53:43,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:53:43,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:53:43,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:53:43,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:53:43,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:53:43,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:53:43,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:53:43,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:53:43,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:53:43,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:53:43,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:53:43,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:53:43,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:53:43,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:53:43,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:53:43,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:53:43,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:53:43,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:53:43,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:53:43,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:53:43,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:53:43,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:53:43,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:53:43,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:53:43,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:53:43,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:53:43,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:53:43,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:53:43,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:53:43,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:53:43,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:53:43,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:53:43,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:53:43,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:53:43,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:53:43,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:53:43,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:53:43,617 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:53:43,617 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:53:43,617 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:53:43,618 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:53:43,618 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:53:43,618 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:53:43,618 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:53:43,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:53:43,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:53:43,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:53:43,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:53:43,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:53:43,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:53:43,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:53:43,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:53:43,621 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:53:43,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:53:43,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:53:43,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:53:43,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:53:43,622 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:53:43,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:53:43,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:53:43,623 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:53:43,623 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:53:43,624 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_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 -> 847cffc9d6215c496aa28b39684013a0c5d7b1c3 [2019-11-19 22:53:43,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:53:43,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:53:43,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:53:43,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:53:43,796 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:53:43,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2019-11-19 22:53:43,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/data/c994d6fdf/39d3dca6bf79460a99f5ed1da2817863/FLAG0a67df653 [2019-11-19 22:53:44,379 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:53:44,380 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2019-11-19 22:53:44,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/data/c994d6fdf/39d3dca6bf79460a99f5ed1da2817863/FLAG0a67df653 [2019-11-19 22:53:44,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/data/c994d6fdf/39d3dca6bf79460a99f5ed1da2817863 [2019-11-19 22:53:44,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:53:44,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:53:44,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:53:44,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:53:44,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:53:44,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:53:44" (1/1) ... [2019-11-19 22:53:44,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5552b935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:44, skipping insertion in model container [2019-11-19 22:53:44,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:53:44" (1/1) ... [2019-11-19 22:53:44,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:53:44,779 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:53:45,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:53:45,201 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:53:45,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:53:45,290 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:53:45,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45 WrapperNode [2019-11-19 22:53:45,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:53:45,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:53:45,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:53:45,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:53:45,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:53:45,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:53:45,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:53:45,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:53:45,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... [2019-11-19 22:53:45,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:53:45,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:53:45,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:53:45,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:53:45,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:53:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:53:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:53:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:53:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:53:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:53:45,763 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:53:45,763 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:53:45,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:53:45 BoogieIcfgContainer [2019-11-19 22:53:45,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:53:45,765 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:53:45,765 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:53:45,769 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:53:45,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:53:45,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:53:44" (1/3) ... [2019-11-19 22:53:45,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@768cd270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:53:45, skipping insertion in model container [2019-11-19 22:53:45,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:53:45,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:53:45" (2/3) ... [2019-11-19 22:53:45,771 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@768cd270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:53:45, skipping insertion in model container [2019-11-19 22:53:45,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:53:45,772 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:53:45" (3/3) ... [2019-11-19 22:53:45,773 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-1.i [2019-11-19 22:53:45,818 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:53:45,818 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:53:45,818 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:53:45,819 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:53:45,819 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:53:45,819 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:53:45,819 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:53:45,819 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:53:45,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:53:45,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:53:45,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:53:45,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:53:45,864 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 22:53:45,865 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:53:45,865 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:53:45,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-19 22:53:45,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:53:45,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:53:45,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:53:45,867 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 22:53:45,868 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:53:45,877 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 8#L556true assume !(main_~length1~0 < 1); 13#L556-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset, cstrlen_#t~mem2, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 5#L550-3true [2019-11-19 22:53:45,877 INFO L796 eck$LassoCheckResult]: Loop: 5#L550-3true call cstrlen_#t~mem2 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 12#L550-1true assume !!(0 != cstrlen_#t~mem2);havoc cstrlen_#t~mem2;cstrlen_#t~post3.base, cstrlen_#t~post3.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post3.base, 1 + cstrlen_#t~post3.offset;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset; 5#L550-3true [2019-11-19 22:53:45,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:53:45,883 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-19 22:53:45,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:53:45,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403976970] [2019-11-19 22:53:45,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:53:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:53:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:53:46,039 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:53:46,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:53:46,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2019-11-19 22:53:46,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:53:46,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184790505] [2019-11-19 22:53:46,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:53:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:53:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:53:46,059 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:53:46,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:53:46,061 INFO L82 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2019-11-19 22:53:46,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:53:46,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129729771] [2019-11-19 22:53:46,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:53:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:53:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:53:46,111 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:53:46,448 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-11-19 22:53:46,543 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:53:46,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:53:46,544 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:53:46,544 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:53:46,545 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:53:46,545 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:46,545 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:53:46,545 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:53:46,546 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-1.i_Iteration1_Lasso [2019-11-19 22:53:46,546 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:53:46,546 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:53:46,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,805 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-11-19 22:53:46,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:46,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:53:47,350 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:53:47,354 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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) [2019-11-19 22:53:47,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:53:47,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:53:47,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:47,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 [2019-11-19 22:53:47,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:53:47,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:53:47,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:53:47,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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) [2019-11-19 22:53:47,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:53:47,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:53:47,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:47,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 [2019-11-19 22:53:47,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:53:47,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:53:47,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 [2019-11-19 22:53:47,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:53:47,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:53:47,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 [2019-11-19 22:53:47,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:53:47,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:53:47,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:53:47,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 [2019-11-19 22:53:47,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:53:47,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:53:47,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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) [2019-11-19 22:53:47,561 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 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:47,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:53:47,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:53:47,578 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 [2019-11-19 22:53:47,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:53:47,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:53:47,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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) [2019-11-19 22:53:47,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:53:47,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:47,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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 [2019-11-19 22:53:47,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:53:47,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,660 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:53:47,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,662 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:53:47,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:53:47,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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) [2019-11-19 22:53:47,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:53:47,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:53:47,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:53:47,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:53:47,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:53:47,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:53:47,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:47,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:53:47,737 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-19 22:53:47,737 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6fd57e1-2244-4672-ba3a-e3b0d5781c6e/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) [2019-11-19 22:53:47,818 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:53:47,823 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:53:47,823 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:53:47,824 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_1 Supporting invariants [] [2019-11-19 22:53:47,839 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-19 22:53:47,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 22:53:47,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:53:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:53:47,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 22:53:47,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:53:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:53:47,945 WARN L253 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:53:47,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:53:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:53:47,988 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:53:47,989 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-19 22:53:48,064 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 20 states and 23 transitions. Complement of second has 6 states. [2019-11-19 22:53:48,065 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 [2019-11-19 22:53:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:53:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-19 22:53:48,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-19 22:53:48,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:53:48,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-19 22:53:48,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:53:48,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-19 22:53:48,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:53:48,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2019-11-19 22:53:48,074 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:53:48,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-11-19 22:53:48,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:53:48,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:53:48,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:53:48,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:53:48,080 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:53:48,080 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:53:48,080 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:53:48,080 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:53:48,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:53:48,081 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:53:48,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:53:48,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:53:48 BoogieIcfgContainer [2019-11-19 22:53:48,088 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:53:48,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:53:48,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:53:48,089 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:53:48,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:53:45" (3/4) ... [2019-11-19 22:53:48,093 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:53:48,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:53:48,095 INFO L168 Benchmark]: Toolchain (without parser) took 3389.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:53:48,096 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:53:48,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:53:48,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.86 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:53:48,098 INFO L168 Benchmark]: Boogie Preprocessor took 28.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:53:48,098 INFO L168 Benchmark]: RCFGBuilder took 397.48 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:53:48,099 INFO L168 Benchmark]: BuchiAutomizer took 2323.05 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: -9.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:53:48,099 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:53:48,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.86 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.48 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 397.48 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2323.05 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: -9.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 6 SDtfs, 9 SDslu, 1 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax115 hnf99 lsp81 ukn91 mio100 lsp46 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms 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...