./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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-15/cstrcpy_reverse_alloca.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 587c6ddef36e305e9365400029fae893a4e27009 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:39:23,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:39:23,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:39:23,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:39:23,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:39:23,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:39:23,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:39:23,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:39:23,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:39:23,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:39:23,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:39:23,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:39:23,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:39:23,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:39:23,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:39:23,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:39:23,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:39:23,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:39:23,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:39:23,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:39:23,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:39:23,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:39:23,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:39:23,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:39:23,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:39:23,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:39:23,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:39:23,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:39:23,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:39:23,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:39:23,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:39:23,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:39:23,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:39:23,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:39:23,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:39:23,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:39:23,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:39:23,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:39:23,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:39:23,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:39:23,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:39:23,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:39:23,426 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:39:23,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:39:23,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:39:23,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:39:23,429 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:39:23,429 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:39:23,429 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:39:23,429 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:39:23,430 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:39:23,430 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:39:23,430 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:39:23,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:39:23,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:39:23,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:39:23,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:39:23,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:39:23,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:39:23,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:39:23,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:39:23,433 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:39:23,433 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:39:23,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:39:23,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:39:23,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:39:23,434 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:39:23,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:39:23,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:39:23,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:39:23,435 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:39:23,436 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:39:23,436 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 -> 587c6ddef36e305e9365400029fae893a4e27009 [2020-07-29 01:39:23,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:39:23,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:39:23,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:39:23,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:39:23,765 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:39:23,766 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2020-07-29 01:39:23,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbf011d5/c72df87df5634d56bbfa7b4389b80aea/FLAGe99473ca5 [2020-07-29 01:39:24,384 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:39:24,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2020-07-29 01:39:24,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbf011d5/c72df87df5634d56bbfa7b4389b80aea/FLAGe99473ca5 [2020-07-29 01:39:24,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbf011d5/c72df87df5634d56bbfa7b4389b80aea [2020-07-29 01:39:24,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:39:24,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:39:24,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:24,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:39:24,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:39:24,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9babff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:24, skipping insertion in model container [2020-07-29 01:39:24,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:24" (1/1) ... [2020-07-29 01:39:24,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:39:24,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:39:25,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:25,236 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:39:25,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:25,363 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:39:25,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25 WrapperNode [2020-07-29 01:39:25,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:25,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:25,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:39:25,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:39:25,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:25,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:39:25,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:39:25,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:39:25,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (1/1) ... [2020-07-29 01:39:25,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:39:25,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:39:25,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:39:25,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:39:25,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (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 [2020-07-29 01:39:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:39:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:39:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:39:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:39:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:39:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:39:25,835 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:39:25,835 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:39:25,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:25 BoogieIcfgContainer [2020-07-29 01:39:25,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:39:25,839 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:39:25,839 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:39:25,843 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:39:25,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:25,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:39:24" (1/3) ... [2020-07-29 01:39:25,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@764a91c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:25, skipping insertion in model container [2020-07-29 01:39:25,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:25,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:25" (2/3) ... [2020-07-29 01:39:25,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@764a91c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:25, skipping insertion in model container [2020-07-29 01:39:25,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:25,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:25" (3/3) ... [2020-07-29 01:39:25,849 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_reverse_alloca.i [2020-07-29 01:39:25,905 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:39:25,906 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:39:25,906 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:39:25,906 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:39:25,907 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:39:25,907 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:39:25,907 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:39:25,907 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:39:25,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:39:25,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:25,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:25,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:25,956 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:25,956 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:25,956 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:39:25,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:39:25,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:25,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:25,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:25,960 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:25,960 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:25,969 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 5#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset, 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 1);main_~nondetString~0.base, main_~nondetString~0.offset := main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 7#L368-3true [2020-07-29 01:39:25,969 INFO L796 eck$LassoCheckResult]: Loop: 7#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset - 1;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 7#L368-3true [2020-07-29 01:39:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:25,976 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2020-07-29 01:39:25,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:25,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371815465] [2020-07-29 01:39:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:26,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:26,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:26,159 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:26,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:26,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2020-07-29 01:39:26,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:26,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577708219] [2020-07-29 01:39:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:26,175 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:26,186 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:26,190 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:26,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:26,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2020-07-29 01:39:26,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:26,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376217621] [2020-07-29 01:39:26,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:26,239 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:26,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:26,296 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:26,414 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-29 01:39:26,876 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2020-07-29 01:39:27,057 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-29 01:39:27,072 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:39:27,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:39:27,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:39:27,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:39:27,074 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:39:27,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:27,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:39:27,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:39:27,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_reverse_alloca.i_Iteration1_Lasso [2020-07-29 01:39:27,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:39:27,076 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:39:27,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,608 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-07-29 01:39:27,755 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-07-29 01:39:27,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:27,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:28,637 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-07-29 01:39:28,867 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:39:28,873 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:28,879 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 [2020-07-29 01:39:28,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:28,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:28,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:28,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:28,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:28,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:28,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:28,890 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 [2020-07-29 01:39:28,926 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 [2020-07-29 01:39:28,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:28,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:28,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:28,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:28,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:28,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:28,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:28,932 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:28,957 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 [2020-07-29 01:39:28,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:28,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:28,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:28,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:28,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:28,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:28,973 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,003 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 [2020-07-29 01:39:29,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:29,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:29,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:29,008 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 [2020-07-29 01:39:29,031 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 [2020-07-29 01:39:29,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:29,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:29,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:29,041 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 [2020-07-29 01:39:29,064 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 [2020-07-29 01:39:29,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,082 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 [2020-07-29 01:39:29,111 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 [2020-07-29 01:39:29,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:29,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:29,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:29,120 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,142 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 [2020-07-29 01:39:29,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:29,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:29,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:29,147 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 [2020-07-29 01:39:29,179 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 [2020-07-29 01:39:29,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:29,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:29,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:29,183 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 [2020-07-29 01:39:29,206 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 [2020-07-29 01:39:29,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:29,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:29,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:29,212 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) [2020-07-29 01:39:29,235 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,251 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,275 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 [2020-07-29 01:39:29,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,288 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,318 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 [2020-07-29 01:39:29,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,328 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 [2020-07-29 01:39:29,356 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 [2020-07-29 01:39:29,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,365 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,390 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 [2020-07-29 01:39:29,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:29,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:29,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:29,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:29,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:29,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:29,438 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:39:29,595 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-07-29 01:39:29,595 INFO L444 ModelExtractionUtils]: 14 out of 52 variables were initially zero. Simplification set additionally 35 variables to zero. 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:29,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:39:29,639 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:39:29,640 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:39:29,641 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~dst~0.offset) = 2*ULTIMATE.start_cstrcpy_~dst~0.offset + 1 Supporting invariants [] [2020-07-29 01:39:29,755 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-07-29 01:39:29,762 INFO L393 LassoCheck]: Loop: "cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset - 1;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1);" "assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;" [2020-07-29 01:39:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:39:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:29,848 INFO L280 TraceCheckUtils]: 0: Hoare triple {22#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {22#unseeded} is VALID [2020-07-29 01:39:29,849 INFO L280 TraceCheckUtils]: 1: Hoare triple {22#unseeded} havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; {22#unseeded} is VALID [2020-07-29 01:39:29,850 INFO L280 TraceCheckUtils]: 2: Hoare triple {22#unseeded} assume !(main_~length1~0 < 1); {22#unseeded} is VALID [2020-07-29 01:39:29,851 INFO L280 TraceCheckUtils]: 3: Hoare triple {22#unseeded} assume !(main_~length2~0 < 1); {22#unseeded} is VALID [2020-07-29 01:39:29,851 INFO L280 TraceCheckUtils]: 4: Hoare triple {22#unseeded} assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset, 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 1);main_~nondetString~0.base, main_~nondetString~0.offset := main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; {22#unseeded} is VALID [2020-07-29 01:39:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:39:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:29,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:29,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#(>= oldRank0 (+ (* 2 ULTIMATE.start_cstrcpy_~dst~0.offset) 1))} cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset - 1;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); {107#(and (<= (+ ULTIMATE.start_cstrcpy_~dst~0.offset 1) (div (+ oldRank0 (- 1)) 2)) (<= 0 (div (+ oldRank0 (- 1)) 2)))} is VALID [2020-07-29 01:39:29,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#(and (<= (+ ULTIMATE.start_cstrcpy_~dst~0.offset 1) (div (+ oldRank0 (- 1)) 2)) (<= 0 (div (+ oldRank0 (- 1)) 2)))} assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; {90#(or (and (>= oldRank0 0) (> oldRank0 (+ (* 2 ULTIMATE.start_cstrcpy_~dst~0.offset) 1))) unseeded)} is VALID [2020-07-29 01:39:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:39:29,984 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:39:30,011 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:39:30,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,023 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:39:30,025 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-07-29 01:39:30,108 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2020-07-29 01:39:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:39:30,108 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:30,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:39:30,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:30,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:30,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:30,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:39:30,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:30,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:30,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:30,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 30 transitions. [2020-07-29 01:39:30,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:30,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:30,131 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 12 states. [2020-07-29 01:39:30,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:30,137 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:30,137 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:39:30,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:30,144 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:30,144 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 27 states and 30 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:30,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 30 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:30,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:30,146 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:39:30,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:30,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:30,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:30,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:39:30,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:39:30,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 27 letters. Loop has 27 letters. [2020-07-29 01:39:30,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:39:30,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:39:30,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:39:30,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:30,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:30,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:30,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:30,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:30,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:30,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:30,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:30,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:30,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:30,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:30,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 30 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:39:30,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,160 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:39:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2020-07-29 01:39:30,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:30,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:30,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2020-07-29 01:39:30,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:30,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:30,181 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:30,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2020-07-29 01:39:30,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:39:30,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:39:30,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:39:30,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:39:30,187 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:30,187 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:30,187 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:30,187 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:39:30,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:39:30,188 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:30,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:30,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:39:30 BoogieIcfgContainer [2020-07-29 01:39:30,195 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:39:30,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:39:30,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:39:30,196 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:39:30,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:25" (3/4) ... [2020-07-29 01:39:30,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:39:30,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:39:30,203 INFO L168 Benchmark]: Toolchain (without parser) took 5513.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.8 MB). Free memory was 950.8 MB in the beginning and 910.1 MB in the end (delta: 40.8 MB). Peak memory consumption was 262.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,204 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:30,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.88 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. [2020-07-29 01:39:30,211 INFO L168 Benchmark]: Boogie Preprocessor took 31.17 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,213 INFO L168 Benchmark]: RCFGBuilder took 388.73 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,213 INFO L168 Benchmark]: BuchiAutomizer took 4356.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 184.6 MB). Peak memory consumption was 254.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:30,214 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 1.3 GB. Free memory is still 910.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:30,227 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.17 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 388.73 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4356.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 184.6 MB). Peak memory consumption was 254.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.07 ms. Allocated memory is still 1.3 GB. Free memory is still 910.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * dst + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 17 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax100 hnf99 lsp97 ukn93 mio100 lsp51 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...