./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6d213bb73df5e8110170d83073afe858aea401c0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:34:41,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:34:41,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:34:41,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:34:41,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:34:41,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:34:41,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:34:41,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:34:41,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:34:41,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:34:41,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:34:41,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:34:41,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:34:41,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:34:41,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:34:41,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:34:41,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:34:41,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:34:41,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:34:41,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:34:41,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:34:41,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:34:41,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:34:41,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:34:41,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:34:41,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:34:41,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:34:41,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:34:41,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:34:41,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:34:41,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:34:41,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:34:41,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:34:41,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:34:41,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:34:41,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:34:41,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:34:41,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:34:41,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:34:41,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:34:41,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:34:41,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:34:42,008 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:34:42,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:34:42,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:34:42,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:34:42,010 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:34:42,010 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:34:42,010 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:34:42,011 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:34:42,011 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:34:42,011 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:34:42,011 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:34:42,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:34:42,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:34:42,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:34:42,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:34:42,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:34:42,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:34:42,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:34:42,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:34:42,013 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:34:42,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:34:42,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:34:42,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:34:42,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:34:42,014 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:34:42,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:34:42,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:34:42,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:34:42,015 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:34:42,016 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:34:42,017 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 6d213bb73df5e8110170d83073afe858aea401c0 [2019-11-28 20:34:42,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:34:42,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:34:42,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:34:42,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:34:42,382 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:34:42,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2019-11-28 20:34:42,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae58718f/87b8305133e24fe68792171faffb9e10/FLAGa602695a4 [2019-11-28 20:34:42,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:34:42,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2019-11-28 20:34:42,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae58718f/87b8305133e24fe68792171faffb9e10/FLAGa602695a4 [2019-11-28 20:34:43,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae58718f/87b8305133e24fe68792171faffb9e10 [2019-11-28 20:34:43,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:34:43,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:34:43,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:43,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:34:43,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:34:43,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43, skipping insertion in model container [2019-11-28 20:34:43,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:34:43,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:34:43,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:43,787 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:34:43,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:34:43,904 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:34:43,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43 WrapperNode [2019-11-28 20:34:43,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:34:43,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:43,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:34:43,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:34:43,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:34:43,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:34:43,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:34:43,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:34:43,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... [2019-11-28 20:34:43,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:34:43,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:34:43,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:34:43,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:34:43,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:34:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:34:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:34:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:34:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:34:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:34:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:34:44,418 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:34:44,418 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 20:34:44,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:44 BoogieIcfgContainer [2019-11-28 20:34:44,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:34:44,420 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:34:44,420 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:34:44,424 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:34:44,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:44,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:34:43" (1/3) ... [2019-11-28 20:34:44,426 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337acfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:44, skipping insertion in model container [2019-11-28 20:34:44,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:44,427 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:34:43" (2/3) ... [2019-11-28 20:34:44,427 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@337acfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:34:44, skipping insertion in model container [2019-11-28 20:34:44,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:34:44,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:44" (3/3) ... [2019-11-28 20:34:44,429 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-2.i [2019-11-28 20:34:44,481 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:34:44,481 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:34:44,482 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:34:44,482 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:34:44,482 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:34:44,482 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:34:44,482 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:34:44,483 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:34:44,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 20:34:44,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 20:34:44,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:44,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:44,523 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:34:44,523 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:34:44,523 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:34:44,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 20:34:44,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 20:34:44,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:44,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:44,526 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:34:44,526 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:34:44,535 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 19#L570true assume !(main_~length~0 < 1); 3#L570-2true assume !(main_~n~1 < 1); 13#L573-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 7#L553true assume 0 != cstrlcpy_~n~0 % 4294967296; 12#L554-3true [2019-11-28 20:34:44,540 INFO L796 eck$LassoCheckResult]: Loop: 12#L554-3true cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 8#L554-1true assume !!(0 != cstrlcpy_#t~pre2 % 4294967296);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 4#L555true assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset; 12#L554-3true [2019-11-28 20:34:44,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:44,546 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-11-28 20:34:44,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:44,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380704255] [2019-11-28 20:34:44,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:44,727 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:44,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:44,729 INFO L82 PathProgramCache]: Analyzing trace with hash 52795, now seen corresponding path program 1 times [2019-11-28 20:34:44,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:44,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296954438] [2019-11-28 20:34:44,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:44,779 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:44,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1298289360, now seen corresponding path program 1 times [2019-11-28 20:34:44,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:44,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562516771] [2019-11-28 20:34:44,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:44,930 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:45,050 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-11-28 20:34:45,599 WARN L192 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-11-28 20:34:45,773 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-11-28 20:34:45,786 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:45,787 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:45,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:45,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:45,788 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:45,788 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:45,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:45,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:45,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration1_Lasso [2019-11-28 20:34:45,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:45,790 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:45,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:45,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:45,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,304 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-11-28 20:34:46,491 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-11-28 20:34:46,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:46,989 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-11-28 20:34:47,187 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-11-28 20:34:47,491 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-28 20:34:47,609 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:47,614 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:47,627 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 [2019-11-28 20:34:47,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:47,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:47,634 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 [2019-11-28 20:34:47,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:34:47,663 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 [2019-11-28 20:34:47,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:47,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:47,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:47,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:47,698 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 [2019-11-28 20:34:47,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:47,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,702 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:34:47,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,704 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:34:47,704 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 [2019-11-28 20:34:47,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:47,717 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 [2019-11-28 20:34:47,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:47,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:47,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:47,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:34:47,733 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 [2019-11-28 20:34:47,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:47,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:47,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:34:47,775 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 [2019-11-28 20:34:47,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:47,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:47,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:34:47,807 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 [2019-11-28 20:34:47,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:47,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:47,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:47,832 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 [2019-11-28 20:34:47,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:47,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:47,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 20:34:47,854 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 [2019-11-28 20:34:47,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:47,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:47,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:47,878 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 [2019-11-28 20:34:47,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:47,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:47,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:47,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:47,926 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 [2019-11-28 20:34:47,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:47,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:47,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:47,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:47,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:47,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:47,988 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:48,208 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2019-11-28 20:34:48,209 INFO L444 ModelExtractionUtils]: 37 out of 58 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:48,221 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:48,226 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:34:48,226 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:48,227 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -1*ULTIMATE.start_cstrlcpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [] [2019-11-28 20:34:48,324 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-11-28 20:34:48,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:34:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:48,438 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:34:48,441 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:48,476 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 20:34:48,481 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:48,568 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 20:34:48,570 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 5 states. [2019-11-28 20:34:48,720 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 5 states. Result 48 states and 70 transitions. Complement of second has 7 states. [2019-11-28 20:34:48,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:34:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2019-11-28 20:34:48,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 20:34:48,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:48,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 20:34:48,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:48,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 20:34:48,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:48,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 70 transitions. [2019-11-28 20:34:48,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 20:34:48,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 22 states and 30 transitions. [2019-11-28 20:34:48,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-28 20:34:48,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-28 20:34:48,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2019-11-28 20:34:48,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:34:48,759 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-28 20:34:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2019-11-28 20:34:48,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2019-11-28 20:34:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 20:34:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-11-28 20:34:48,798 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-28 20:34:48,798 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-28 20:34:48,799 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:34:48,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2019-11-28 20:34:48,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:48,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:48,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:48,803 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:34:48,803 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:34:48,803 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 195#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 196#L570 assume !(main_~length~0 < 1); 189#L570-2 assume !(main_~n~1 < 1); 190#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 197#L553 assume !(0 != cstrlcpy_~n~0 % 4294967296); 194#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 202#L560 assume !(0 != cstrlcpy_~siz % 4294967296); 204#L562-2 [2019-11-28 20:34:48,803 INFO L796 eck$LassoCheckResult]: Loop: 204#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 203#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 204#L562-2 [2019-11-28 20:34:48,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:48,804 INFO L82 PathProgramCache]: Analyzing trace with hash 180447461, now seen corresponding path program 1 times [2019-11-28 20:34:48,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:48,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672544604] [2019-11-28 20:34:48,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:48,905 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:48,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:48,906 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 1 times [2019-11-28 20:34:48,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:48,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744685431] [2019-11-28 20:34:48,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:48,916 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:48,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:48,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1611319850, now seen corresponding path program 1 times [2019-11-28 20:34:48,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:48,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529955057] [2019-11-28 20:34:48,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:48,965 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:49,664 WARN L192 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2019-11-28 20:34:49,856 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-28 20:34:49,859 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:49,859 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:49,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:49,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:49,860 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:49,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:49,860 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:49,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:49,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration2_Lasso [2019-11-28 20:34:49,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:49,861 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:49,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:49,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:50,267 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-11-28 20:34:50,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:50,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:50,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:50,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:50,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:50,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:50,497 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-28 20:34:50,893 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:50,893 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:50,907 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 [2019-11-28 20:34:50,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:50,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:50,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:50,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:50,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:50,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:50,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:50,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:50,927 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 [2019-11-28 20:34:50,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:50,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:50,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:50,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:50,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:50,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:50,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:50,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:50,948 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 [2019-11-28 20:34:50,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:50,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:50,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:50,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:50,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:50,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:50,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:50,972 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:50,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:50,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:50,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:50,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:50,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:50,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:50,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:50,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:50,984 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 [2019-11-28 20:34:50,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:50,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:50,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:50,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:50,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:50,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:34:50,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,004 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 [2019-11-28 20:34:51,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:51,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:51,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:51,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,028 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 [2019-11-28 20:34:51,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:51,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:51,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:51,033 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,045 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 [2019-11-28 20:34:51,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:51,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:51,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,060 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 [2019-11-28 20:34:51,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:51,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:51,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:51,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,083 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 [2019-11-28 20:34:51,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,105 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 [2019-11-28 20:34:51,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:51,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:51,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,118 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 [2019-11-28 20:34:51,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,144 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 [2019-11-28 20:34:51,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:51,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:51,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,156 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 [2019-11-28 20:34:51,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,174 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 [2019-11-28 20:34:51,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,215 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 [2019-11-28 20:34:51,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,251 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 [2019-11-28 20:34:51,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:51,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:34:51,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,350 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 [2019-11-28 20:34:51,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,371 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 [2019-11-28 20:34:51,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:51,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,374 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:34:51,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,375 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:34:51,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,387 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 [2019-11-28 20:34:51,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:51,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:51,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:51,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:51,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:51,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,418 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:51,458 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 20:34:51,458 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:51,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:51,468 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:34:51,469 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:51,469 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2, ULTIMATE.start_cstrlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 1*ULTIMATE.start_cstrlcpy_~s~0.offset Supporting invariants [] [2019-11-28 20:34:51,510 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-28 20:34:51,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:34:51,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:51,578 INFO L264 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:34:51,580 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:51,593 WARN L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 20:34:51,593 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:51,624 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 20:34:51,624 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-28 20:34:51,676 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 20 states and 27 transitions. Complement of second has 5 states. [2019-11-28 20:34:51,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:34:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-28 20:34:51,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 20:34:51,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:51,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 20:34:51,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:51,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 20:34:51,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:51,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2019-11-28 20:34:51,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:51,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 22 transitions. [2019-11-28 20:34:51,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 20:34:51,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 20:34:51,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2019-11-28 20:34:51,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:34:51,687 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-28 20:34:51,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2019-11-28 20:34:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 20:34:51,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 20:34:51,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2019-11-28 20:34:51,690 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-28 20:34:51,690 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-28 20:34:51,690 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:34:51,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2019-11-28 20:34:51,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:51,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:51,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:51,691 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:34:51,692 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:34:51,693 INFO L794 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 324#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 325#L570 assume !(main_~length~0 < 1); 318#L570-2 assume !(main_~n~1 < 1); 319#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 326#L553 assume !(0 != cstrlcpy_~n~0 % 4294967296); 323#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 331#L560 assume 0 != cstrlcpy_~siz % 4294967296;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 333#L562-2 [2019-11-28 20:34:51,693 INFO L796 eck$LassoCheckResult]: Loop: 333#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 332#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 333#L562-2 [2019-11-28 20:34:51,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:51,694 INFO L82 PathProgramCache]: Analyzing trace with hash 180447459, now seen corresponding path program 1 times [2019-11-28 20:34:51,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:51,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630431117] [2019-11-28 20:34:51,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:51,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630431117] [2019-11-28 20:34:51,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:34:51,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:34:51,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439291022] [2019-11-28 20:34:51,864 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:34:51,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:51,864 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 2 times [2019-11-28 20:34:51,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:51,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886422056] [2019-11-28 20:34:51,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:51,878 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:51,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:34:51,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:34:51,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:34:51,917 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-28 20:34:51,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:34:51,945 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-28 20:34:51,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:34:51,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-28 20:34:51,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:51,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 21 transitions. [2019-11-28 20:34:51,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 20:34:51,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 20:34:51,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-11-28 20:34:51,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:34:51,948 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 20:34:51,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-11-28 20:34:51,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 20:34:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 20:34:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-11-28 20:34:51,950 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 20:34:51,950 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 20:34:51,950 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:34:51,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2019-11-28 20:34:51,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:34:51,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:34:51,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:34:51,952 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:34:51,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:34:51,952 INFO L794 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 365#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 366#L570 assume !(main_~length~0 < 1); 359#L570-2 assume !(main_~n~1 < 1); 360#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 367#L553 assume 0 != cstrlcpy_~n~0 % 4294967296; 368#L554-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 369#L554-1 assume !(0 != cstrlcpy_#t~pre2 % 4294967296);havoc cstrlcpy_#t~pre2; 364#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 372#L560 assume 0 != cstrlcpy_~siz % 4294967296;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 374#L562-2 [2019-11-28 20:34:51,952 INFO L796 eck$LassoCheckResult]: Loop: 374#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 373#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 374#L562-2 [2019-11-28 20:34:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:51,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1592262898, now seen corresponding path program 1 times [2019-11-28 20:34:51,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:51,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458294555] [2019-11-28 20:34:51,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:51,979 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:51,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:51,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 3 times [2019-11-28 20:34:51,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:51,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575268820] [2019-11-28 20:34:51,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:51,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:51,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:51,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1156289271, now seen corresponding path program 1 times [2019-11-28 20:34:51,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:34:51,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661836273] [2019-11-28 20:34:51,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:34:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:34:52,076 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:34:52,733 WARN L192 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 109 [2019-11-28 20:34:52,991 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-28 20:34:52,994 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:34:52,994 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:34:52,994 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:34:52,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:34:52,994 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:34:52,994 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:52,994 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:34:52,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:34:52,995 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration4_Lasso [2019-11-28 20:34:52,995 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:34:52,995 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:34:52,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,388 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-11-28 20:34:53,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:34:53,735 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-28 20:34:54,164 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:34:54,164 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:54,173 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 [2019-11-28 20:34:54,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:54,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:54,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:54,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:54,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:54,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:54,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:54,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:54,191 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 [2019-11-28 20:34:54,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:54,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:54,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:54,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:54,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:54,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:54,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:54,204 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 [2019-11-28 20:34:54,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:54,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:54,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:54,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:54,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:54,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:54,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:54,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:54,218 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 [2019-11-28 20:34:54,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:54,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:34:54,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:54,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:54,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:54,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:34:54,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:34:54,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:54,236 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 [2019-11-28 20:34:54,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:54,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:54,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:54,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:54,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:54,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:54,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:54,252 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 [2019-11-28 20:34:54,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:34:54,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:34:54,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:34:54,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:34:54,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:34:54,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:54,288 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:34:54,361 INFO L443 ModelExtractionUtils]: Simplification made 29 calls to the SMT solver. [2019-11-28 20:34:54,362 INFO L444 ModelExtractionUtils]: 13 out of 52 variables were initially zero. Simplification set additionally 34 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:34:54,367 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:34:54,369 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 20:34:54,370 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:34:54,370 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0.offset, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_cstrlcpy_~s~0.offset + 1*ULTIMATE.start_main_~length~0 Supporting invariants [1*ULTIMATE.start_main_~length~0 - 1*v_rep(select #length ULTIMATE.start_cstrlcpy_~s~0.base)_3 >= 0] [2019-11-28 20:34:54,419 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2019-11-28 20:34:54,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:34:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:54,466 INFO L264 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 20:34:54,466 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:54,507 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:34:54,507 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-28 20:34:54,508 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:34:54,525 INFO L614 ElimStorePlain]: treesize reduction 10, result has 61.5 percent of original size [2019-11-28 20:34:54,526 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:34:54,526 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:11, output treesize:7 [2019-11-28 20:34:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:34:54,543 WARN L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:34:54,544 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:34:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:34:54,570 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 20:34:54,570 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-28 20:34:54,609 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 18 states and 23 transitions. Complement of second has 5 states. [2019-11-28 20:34:54,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:34:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:34:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-28 20:34:54,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 20:34:54,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:54,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-28 20:34:54,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:54,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-28 20:34:54,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:34:54,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-28 20:34:54,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:54,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-28 20:34:54,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:34:54,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:34:54,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:34:54,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:34:54,613 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:54,613 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:54,614 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:34:54,614 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 20:34:54,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:34:54,614 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:34:54,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:34:54,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:34:54 BoogieIcfgContainer [2019-11-28 20:34:54,621 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:34:54,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:34:54,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:34:54,622 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:34:54,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:34:44" (3/4) ... [2019-11-28 20:34:54,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:34:54,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:34:54,628 INFO L168 Benchmark]: Toolchain (without parser) took 11342.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.5 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -49.3 MB). Peak memory consumption was 275.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:54,628 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:54,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:54,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.09 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:54,630 INFO L168 Benchmark]: Boogie Preprocessor took 31.83 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. [2019-11-28 20:34:54,631 INFO L168 Benchmark]: RCFGBuilder took 427.16 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:54,632 INFO L168 Benchmark]: BuchiAutomizer took 10201.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.0 MB). Peak memory consumption was 270.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:34:54,632 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:34:54,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.09 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.83 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 427.16 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10201.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.0 MB). Peak memory consumption was 270.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.75 ms. Allocated memory is still 1.4 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 - 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function -1 * s + length and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 9.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 75 SDtfs, 74 SDslu, 39 SDs, 0 SdLazy, 30 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital235 mio100 ax107 hnf99 lsp90 ukn78 mio100 lsp44 div160 bol100 ite100 ukn100 eq174 hnf69 smp93 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms 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...