./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-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_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 86041c6ad59cce2f98747ca89872b3c90a73ab21 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:45:14,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:45:14,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:45:14,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:45:14,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:45:14,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:45:14,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:45:14,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:45:14,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:45:14,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:45:14,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:45:14,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:45:14,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:45:14,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:45:14,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:45:14,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:45:14,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:45:14,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:45:14,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:45:14,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:45:14,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:45:14,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:45:14,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:45:14,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:45:14,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:45:14,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:45:14,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:45:14,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:45:14,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:45:14,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:45:14,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:45:14,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:45:14,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:45:14,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:45:14,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:45:14,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:45:14,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:45:14,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:45:14,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:45:14,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:45:14,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:45:14,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:45:14,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:45:14,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:45:14,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:45:14,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:45:14,232 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:45:14,232 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:45:14,232 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:45:14,232 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:45:14,232 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:45:14,233 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:45:14,233 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:45:14,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:45:14,233 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:45:14,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:45:14,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:45:14,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:45:14,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:45:14,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:45:14,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:45:14,235 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:45:14,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:45:14,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:45:14,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:45:14,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:45:14,235 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:45:14,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:45:14,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:45:14,236 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:45:14,237 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:45:14,237 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_f0252166-c649-41ca-a6ad-0c95917ee968/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 -> 86041c6ad59cce2f98747ca89872b3c90a73ab21 [2019-11-19 22:45:14,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:45:14,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:45:14,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:45:14,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:45:14,402 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:45:14,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2019-11-19 22:45:14,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/data/b672b0721/d7eb148899394487bb2d7b62b5457411/FLAG80f9c5518 [2019-11-19 22:45:14,924 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:45:14,924 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2019-11-19 22:45:14,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/data/b672b0721/d7eb148899394487bb2d7b62b5457411/FLAG80f9c5518 [2019-11-19 22:45:14,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/data/b672b0721/d7eb148899394487bb2d7b62b5457411 [2019-11-19 22:45:14,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:45:14,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:45:14,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:45:14,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:45:14,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:45:14,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:45:14" (1/1) ... [2019-11-19 22:45:14,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182f8492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:14, skipping insertion in model container [2019-11-19 22:45:14,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:45:14" (1/1) ... [2019-11-19 22:45:14,980 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:45:15,030 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:45:15,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:45:15,452 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:45:15,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:45:15,561 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:45:15,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15 WrapperNode [2019-11-19 22:45:15,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:45:15,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:45:15,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:45:15,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:45:15,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:45:15,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:45:15,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:45:15,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:45:15,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... [2019-11-19 22:45:15,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:45:15,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:45:15,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:45:15,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:45:15,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:45:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:45:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:45:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:45:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:45:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:45:15,947 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:45:15,948 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:45:15,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:45:15 BoogieIcfgContainer [2019-11-19 22:45:15,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:45:15,949 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:45:15,949 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:45:15,952 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:45:15,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:45:15,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:45:14" (1/3) ... [2019-11-19 22:45:15,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c790d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:45:15, skipping insertion in model container [2019-11-19 22:45:15,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:45:15,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:45:15" (2/3) ... [2019-11-19 22:45:15,954 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c790d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:45:15, skipping insertion in model container [2019-11-19 22:45:15,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:45:15,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:45:15" (3/3) ... [2019-11-19 22:45:15,956 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-1.i [2019-11-19 22:45:15,996 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:45:15,997 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:45:15,998 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:45:15,998 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:45:15,998 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:45:15,998 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:45:15,998 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:45:15,998 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:45:16,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-19 22:45:16,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:45:16,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:45:16,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:45:16,036 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:45:16,036 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:45:16,037 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:45:16,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-19 22:45:16,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:45:16,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:45:16,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:45:16,039 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:45:16,039 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:45:16,045 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 6#L557true assume !(main_~length1~0 < 1); 8#L557-2true assume !(main_~length2~0 < 1); 15#L560-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 4#L551-4true [2019-11-19 22:45:16,045 INFO L796 eck$LassoCheckResult]: Loop: 4#L551-4true call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 13#L551-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 3#L551-3true cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 4#L551-4true [2019-11-19 22:45:16,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:45:16,051 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-19 22:45:16,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:45:16,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520520848] [2019-11-19 22:45:16,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:45:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:45:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:45:16,209 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:45:16,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:45:16,210 INFO L82 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2019-11-19 22:45:16,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:45:16,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305416539] [2019-11-19 22:45:16,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:45:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:45:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:45:16,232 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:45:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:45:16,234 INFO L82 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2019-11-19 22:45:16,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:45:16,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388372438] [2019-11-19 22:45:16,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:45:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:45:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:45:16,299 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:45:16,774 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-11-19 22:45:16,903 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-19 22:45:16,919 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:45:16,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:45:16,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:45:16,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:45:16,921 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:45:16,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:45:16,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:45:16,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:45:16,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-1.i_Iteration1_Lasso [2019-11-19 22:45:16,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:45:16,923 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:45:16,967 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 22:45:16,975 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 22:45:17,324 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-11-19 22:45:17,491 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-11-19 22:45:17,492 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 22:45:17,495 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 22:45:17,500 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 22:45:17,505 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 22:45:17,508 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 22:45:17,512 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 22:45:17,516 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 22:45:17,518 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 22:45:17,521 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 22:45:17,524 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 22:45:17,526 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 22:45:17,528 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 22:45:17,531 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 22:45:17,535 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 22:45:17,541 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 22:45:17,546 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 22:45:18,227 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:45:18,232 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,247 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 22:45:18,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:45:18,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:45:18,255 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 22:45:18,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,270 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 22:45:18,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:45:18,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:45:18,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:45:18,297 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 22:45:18,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:45:18,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:45:18,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:45:18,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,309 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 22:45:18,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:45:18,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:45:18,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,331 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 [2019-11-19 22:45:18,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:45:18,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,333 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:45:18,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,335 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 22:45:18,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:45:18,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,353 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 22:45:18,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:45:18,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:45:18,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,402 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 22:45:18,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:45:18,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:45:18,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:45:18,426 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 22:45:18,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:45:18,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:45:18,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,452 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 22:45:18,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:45:18,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:45:18,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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 22:45:18,470 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 22:45:18,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:45:18,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:45:18,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:45:18,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:45:18,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:45:18,488 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 22:45:18,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:45:18,730 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2019-11-19 22:45:18,730 INFO L444 ModelExtractionUtils]: 25 out of 46 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0252166-c649-41ca-a6ad-0c95917ee968/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) [2019-11-19 22:45:18,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:45:18,745 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:45:18,746 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:45:18,746 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to.offset, v_rep(select #length ULTIMATE.start_cstrcpy_~to.base)_1) = -1*ULTIMATE.start_cstrcpy_~to.offset + 1*v_rep(select #length ULTIMATE.start_cstrcpy_~to.base)_1 Supporting invariants [] [2019-11-19 22:45:18,789 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2019-11-19 22:45:18,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 22:45:18,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:45:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:45:18,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:45:18,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:45:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:45:18,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:45:18,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:45:18,870 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 22:45:18,885 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 22:45:18,886 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2019-11-19 22:45:18,922 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 29 states and 33 transitions. Complement of second has 5 states. [2019-11-19 22:45:18,923 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 22:45:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:45:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-11-19 22:45:18,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-19 22:45:18,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:45:18,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 3 letters. [2019-11-19 22:45:18,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:45:18,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 5 letters. Loop has 6 letters. [2019-11-19 22:45:18,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:45:18,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 33 transitions. [2019-11-19 22:45:18,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:45:18,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-11-19 22:45:18,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:45:18,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:45:18,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:45:18,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:45:18,935 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:45:18,935 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:45:18,935 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:45:18,935 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:45:18,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:45:18,936 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:45:18,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:45:18,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:45:18 BoogieIcfgContainer [2019-11-19 22:45:18,942 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:45:18,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:45:18,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:45:18,942 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:45:18,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:45:15" (3/4) ... [2019-11-19 22:45:18,946 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:45:18,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:45:18,948 INFO L168 Benchmark]: Toolchain (without parser) took 3990.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -66.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:45:18,948 INFO L168 Benchmark]: CDTParser took 0.20 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 22:45:18,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:45:18,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.48 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 22:45:18,950 INFO L168 Benchmark]: Boogie Preprocessor took 27.41 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:45:18,950 INFO L168 Benchmark]: RCFGBuilder took 316.84 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:45:18,951 INFO L168 Benchmark]: BuchiAutomizer took 2992.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:45:18,951 INFO L168 Benchmark]: Witness Printer took 4.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:45:18,955 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 601.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.48 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. * Boogie Preprocessor took 27.41 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 316.84 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2992.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 * to + unknown-#length-unknown[to] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax109 hnf99 lsp88 ukn92 mio100 lsp47 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 2 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...