./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strcmp_short.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-dietlibc/strcmp_short.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 d1a5f8ddb22d6de2b22e195cabe7484ea1e11662 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:31:51,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:31:51,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:31:51,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:31:51,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:31:51,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:31:51,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:31:51,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:31:51,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:31:51,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:31:51,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:31:51,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:31:51,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:31:51,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:31:51,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:31:51,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:31:51,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:31:51,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:31:51,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:31:51,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:31:51,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:31:51,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:31:51,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:31:51,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:31:51,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:31:51,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:31:51,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:31:51,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:31:51,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:31:51,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:31:51,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:31:51,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:31:51,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:31:51,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:31:51,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:31:51,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:31:51,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:31:51,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:31:51,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:31:51,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:31:51,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:31:51,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:31:51,432 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:31:51,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:31:51,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:31:51,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:31:51,434 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:31:51,434 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:31:51,434 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:31:51,435 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:31:51,435 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:31:51,435 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:31:51,436 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:31:51,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:31:51,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:31:51,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:31:51,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:31:51,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:31:51,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:31:51,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:31:51,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:31:51,438 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:31:51,439 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:31:51,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:31:51,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:31:51,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:31:51,440 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:31:51,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:31:51,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:31:51,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:31:51,440 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:31:51,442 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:31:51,442 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 -> d1a5f8ddb22d6de2b22e195cabe7484ea1e11662 [2020-07-29 01:31:51,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:31:51,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:31:51,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:31:51,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:31:51,811 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:31:51,812 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2020-07-29 01:31:51,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60dff99f7/5ffad418a39b465182572955aa203cec/FLAG2bcdc7199 [2020-07-29 01:31:52,371 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:31:52,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2020-07-29 01:31:52,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60dff99f7/5ffad418a39b465182572955aa203cec/FLAG2bcdc7199 [2020-07-29 01:31:52,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60dff99f7/5ffad418a39b465182572955aa203cec [2020-07-29 01:31:52,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:31:52,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:31:52,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:31:52,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:31:52,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:31:52,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:31:52" (1/1) ... [2020-07-29 01:31:52,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38320bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:52, skipping insertion in model container [2020-07-29 01:31:52,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:31:52" (1/1) ... [2020-07-29 01:31:52,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:31:52,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:31:53,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:31:53,264 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:31:53,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:31:53,399 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:31:53,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53 WrapperNode [2020-07-29 01:31:53,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:31:53,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:31:53,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:31:53,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:31:53,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:31:53,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:31:53,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:31:53,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:31:53,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (1/1) ... [2020-07-29 01:31:53,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:31:53,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:31:53,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:31:53,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:31:53,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (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 01:31:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:31:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:31:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:31:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:31:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:31:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:31:53,970 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:31:53,970 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:31:53,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:31:53 BoogieIcfgContainer [2020-07-29 01:31:53,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:31:53,975 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:31:53,976 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:31:53,979 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:31:53,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:31:53,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:31:52" (1/3) ... [2020-07-29 01:31:53,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@302ec51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:31:53, skipping insertion in model container [2020-07-29 01:31:53,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:31:53,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:53" (2/3) ... [2020-07-29 01:31:53,984 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@302ec51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:31:53, skipping insertion in model container [2020-07-29 01:31:53,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:31:53,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:31:53" (3/3) ... [2020-07-29 01:31:53,986 INFO L371 chiAutomizerObserver]: Analyzing ICFG strcmp_short.i [2020-07-29 01:31:54,054 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:31:54,054 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:31:54,055 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:31:54,055 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:31:54,055 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:31:54,056 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:31:54,056 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:31:54,056 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:31:54,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:31:54,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:31:54,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:54,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:54,109 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:31:54,109 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:31:54,109 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:31:54,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:31:54,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:31:54,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:54,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:54,113 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:31:54,113 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:31:54,120 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; 9#L513true assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 12#L517true assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcmp_#in~s1.base, strcmp_#in~s1.offset, strcmp_#in~s2.base, strcmp_#in~s2.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcmp_#res;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset, strcmp_#t~post7.base, strcmp_#t~post7.offset, strcmp_#t~mem4, strcmp_#t~mem2, strcmp_#t~mem3, strcmp_#t~short5, strcmp_#t~mem8, strcmp_#t~mem9, strcmp_~s1.base, strcmp_~s1.offset, strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#in~s1.base, strcmp_#in~s1.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#in~s2.base, strcmp_#in~s2.offset; 10#L507-5true [2020-07-29 01:31:54,121 INFO L796 eck$LassoCheckResult]: Loop: 10#L507-5true call strcmp_#t~mem4 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);strcmp_#t~short5 := 0 != strcmp_#t~mem4; 14#L507-1true assume strcmp_#t~short5;call strcmp_#t~mem2 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);call strcmp_#t~mem3 := read~int(strcmp_~s2.base, strcmp_~s2.offset, 1);strcmp_#t~short5 := strcmp_#t~mem2 == strcmp_#t~mem3; 6#L507-3true assume !!strcmp_#t~short5;havoc strcmp_#t~short5;havoc strcmp_#t~mem3;havoc strcmp_#t~mem4;havoc strcmp_#t~mem2;strcmp_#t~post6.base, strcmp_#t~post6.offset := strcmp_~s1.base, strcmp_~s1.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#t~post6.base, 1 + strcmp_#t~post6.offset;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset;strcmp_#t~post7.base, strcmp_#t~post7.offset := strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#t~post7.base, 1 + strcmp_#t~post7.offset;havoc strcmp_#t~post7.base, strcmp_#t~post7.offset; 10#L507-5true [2020-07-29 01:31:54,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:54,126 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-07-29 01:31:54,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:31:54,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285916625] [2020-07-29 01:31:54,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:31:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:54,278 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:54,331 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:54,355 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:31:54,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:54,357 INFO L82 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2020-07-29 01:31:54,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:31:54,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251505782] [2020-07-29 01:31:54,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:31:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:54,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:54,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:54,384 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:31:54,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:54,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2020-07-29 01:31:54,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:31:54,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629028546] [2020-07-29 01:31:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:31:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:54,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:54,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:54,475 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:31:54,735 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-07-29 01:31:55,249 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2020-07-29 01:31:55,411 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-29 01:31:55,424 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:31:55,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:31:55,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:31:55,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:31:55,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:31:55,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:55,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:31:55,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:31:55,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration1_Lasso [2020-07-29 01:31:55,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:31:55,427 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:31:55,479 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 01:31:55,487 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 01:31:55,494 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 01:31:55,499 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 01:31:55,503 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 01:31:55,507 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 01:31:55,511 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 01:31:55,516 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 01:31:55,901 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2020-07-29 01:31:56,068 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-07-29 01:31:56,081 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 01:31:56,087 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 01:31:56,095 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 01:31:56,101 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 01:31:56,106 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 01:31:56,111 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 01:31:56,117 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 01:31:56,124 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 01:31:56,131 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 01:31:56,137 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 01:31:57,231 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:31:57,237 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) [2020-07-29 01:31:57,248 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 01:31:57,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:57,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:57,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:57,258 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) [2020-07-29 01:31:57,288 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 01:31:57,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:57,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,304 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 01:31:57,327 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 01:31:57,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,343 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 01:31:57,369 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 01:31:57,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:57,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:57,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:31:57,374 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 01:31:57,399 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 01:31:57,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:57,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:57,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:31:57,403 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 01:31:57,433 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 01:31:57,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:57,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:57,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:31:57,438 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 01:31:57,464 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 01:31:57,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:57,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:57,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:31:57,468 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 01:31:57,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:31:57,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,523 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 01:31:57,564 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 01:31:57,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,573 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 01:31:57,599 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 01:31:57,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,610 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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:57,635 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 01:31:57,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,643 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 01:31:57,671 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 01:31:57,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,687 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 01:31:57,715 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 01:31:57,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:57,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,717 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:31:57,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,719 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:31:57,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:31:57,731 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 01:31:57,759 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 01:31:57,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:57,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:57,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:57,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:57,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:57,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:57,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:31:57,840 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-07-29 01:31:57,840 INFO L444 ModelExtractionUtils]: 17 out of 37 variables were initially zero. Simplification set additionally 17 variables to zero. 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 01:31:57,874 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:31:57,917 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:31:57,918 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:31:57,919 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcmp_~s1.base)_1, ULTIMATE.start_strcmp_~s2.offset) = 1*v_rep(select #length ULTIMATE.start_strcmp_~s1.base)_1 - 1*ULTIMATE.start_strcmp_~s2.offset Supporting invariants [] [2020-07-29 01:31:58,061 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2020-07-29 01:31:58,075 INFO L393 LassoCheck]: Loop: "call strcmp_#t~mem4 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);strcmp_#t~short5 := 0 != strcmp_#t~mem4;" "assume strcmp_#t~short5;call strcmp_#t~mem2 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);call strcmp_#t~mem3 := read~int(strcmp_~s2.base, strcmp_~s2.offset, 1);strcmp_#t~short5 := strcmp_#t~mem2 == strcmp_#t~mem3;" "assume !!strcmp_#t~short5;havoc strcmp_#t~short5;havoc strcmp_#t~mem3;havoc strcmp_#t~mem4;havoc strcmp_#t~mem2;strcmp_#t~post6.base, strcmp_#t~post6.offset := strcmp_~s1.base, strcmp_~s1.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#t~post6.base, 1 + strcmp_#t~post6.offset;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset;strcmp_#t~post7.base, strcmp_#t~post7.offset := strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#t~post7.base, 1 + strcmp_#t~post7.offset;havoc strcmp_#t~post7.base, strcmp_#t~post7.offset;" [2020-07-29 01:31:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:58,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:31:58,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:58,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-29 01:31:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:58,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:31:58,225 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 01:31:58,227 INFO L280 TraceCheckUtils]: 1: Hoare triple {22#unseeded} havoc main_#res;havoc main_#t~nondet10, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet10;havoc main_#t~nondet10; {22#unseeded} is VALID [2020-07-29 01:31:58,230 INFO L280 TraceCheckUtils]: 2: Hoare triple {22#unseeded} assume !(main_~in_len~0 < 1);call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet12;havoc main_#t~nondet12; {131#(and (= 0 ULTIMATE.start_main_~in~0.offset) unseeded)} is VALID [2020-07-29 01:31:58,232 INFO L280 TraceCheckUtils]: 3: Hoare triple {131#(and (= 0 ULTIMATE.start_main_~in~0.offset) unseeded)} assume !(main_~out_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcmp_#in~s1.base, strcmp_#in~s1.offset, strcmp_#in~s2.base, strcmp_#in~s2.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcmp_#res;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset, strcmp_#t~post7.base, strcmp_#t~post7.offset, strcmp_#t~mem4, strcmp_#t~mem2, strcmp_#t~mem3, strcmp_#t~short5, strcmp_#t~mem8, strcmp_#t~mem9, strcmp_~s1.base, strcmp_~s1.offset, strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#in~s1.base, strcmp_#in~s1.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#in~s2.base, strcmp_#in~s2.offset; {116#(and (= ULTIMATE.start_strcmp_~s2.offset ULTIMATE.start_strcmp_~s1.offset) unseeded)} is VALID [2020-07-29 01:31:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:58,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-29 01:31:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:58,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:31:58,300 INFO L280 TraceCheckUtils]: 0: Hoare triple {117#(and (>= oldRank0 (+ (select |#length| ULTIMATE.start_strcmp_~s1.base) (* (- 1) ULTIMATE.start_strcmp_~s2.offset))) (= ULTIMATE.start_strcmp_~s2.offset ULTIMATE.start_strcmp_~s1.offset))} call strcmp_#t~mem4 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);strcmp_#t~short5 := 0 != strcmp_#t~mem4; {135#(and (<= (+ ULTIMATE.start_strcmp_~s1.offset 1) (select |#length| ULTIMATE.start_strcmp_~s1.base)) (= ULTIMATE.start_strcmp_~s2.offset ULTIMATE.start_strcmp_~s1.offset) (<= (select |#length| ULTIMATE.start_strcmp_~s1.base) (+ oldRank0 ULTIMATE.start_strcmp_~s2.offset)))} is VALID [2020-07-29 01:31:58,301 INFO L280 TraceCheckUtils]: 1: Hoare triple {135#(and (<= (+ ULTIMATE.start_strcmp_~s1.offset 1) (select |#length| ULTIMATE.start_strcmp_~s1.base)) (= ULTIMATE.start_strcmp_~s2.offset ULTIMATE.start_strcmp_~s1.offset) (<= (select |#length| ULTIMATE.start_strcmp_~s1.base) (+ oldRank0 ULTIMATE.start_strcmp_~s2.offset)))} assume strcmp_#t~short5;call strcmp_#t~mem2 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);call strcmp_#t~mem3 := read~int(strcmp_~s2.base, strcmp_~s2.offset, 1);strcmp_#t~short5 := strcmp_#t~mem2 == strcmp_#t~mem3; {135#(and (<= (+ ULTIMATE.start_strcmp_~s1.offset 1) (select |#length| ULTIMATE.start_strcmp_~s1.base)) (= ULTIMATE.start_strcmp_~s2.offset ULTIMATE.start_strcmp_~s1.offset) (<= (select |#length| ULTIMATE.start_strcmp_~s1.base) (+ oldRank0 ULTIMATE.start_strcmp_~s2.offset)))} is VALID [2020-07-29 01:31:58,306 INFO L280 TraceCheckUtils]: 2: Hoare triple {135#(and (<= (+ ULTIMATE.start_strcmp_~s1.offset 1) (select |#length| ULTIMATE.start_strcmp_~s1.base)) (= ULTIMATE.start_strcmp_~s2.offset ULTIMATE.start_strcmp_~s1.offset) (<= (select |#length| ULTIMATE.start_strcmp_~s1.base) (+ oldRank0 ULTIMATE.start_strcmp_~s2.offset)))} assume !!strcmp_#t~short5;havoc strcmp_#t~short5;havoc strcmp_#t~mem3;havoc strcmp_#t~mem4;havoc strcmp_#t~mem2;strcmp_#t~post6.base, strcmp_#t~post6.offset := strcmp_~s1.base, strcmp_~s1.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#t~post6.base, 1 + strcmp_#t~post6.offset;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset;strcmp_#t~post7.base, strcmp_#t~post7.offset := strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#t~post7.base, 1 + strcmp_#t~post7.offset;havoc strcmp_#t~post7.base, strcmp_#t~post7.offset; {119#(and (= ULTIMATE.start_strcmp_~s2.offset ULTIMATE.start_strcmp_~s1.offset) (or (and (>= oldRank0 0) (> oldRank0 (+ (select |#length| ULTIMATE.start_strcmp_~s1.base) (* (- 1) ULTIMATE.start_strcmp_~s2.offset)))) unseeded))} is VALID [2020-07-29 01:31:58,307 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 01:31:58,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:31:58,343 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 01:31:58,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,357 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 [2020-07-29 01:31:58,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2020-07-29 01:31:58,536 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 31 states and 35 transitions. Complement of second has 6 states. [2020-07-29 01:31:58,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:31:58,537 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:31:58,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-07-29 01:31:58,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:31:58,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:58,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:58,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:31:58,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:31:58,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:58,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:58,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 35 transitions. [2020-07-29 01:31:58,563 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:31:58,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:31:58,568 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 12 states. [2020-07-29 01:31:58,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:31:58,577 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:31:58,578 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:31:58,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:31:58,584 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:31:58,584 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 31 states and 35 transitions. cyclomatic complexity: 5 [2020-07-29 01:31:58,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 35 transitions. cyclomatic complexity: 5 [2020-07-29 01:31:58,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:31:58,585 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:31:58,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:31:58,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:31:58,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:31:58,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 31 letters. Loop has 31 letters. [2020-07-29 01:31:58,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 31 letters. Loop has 31 letters. [2020-07-29 01:31:58,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 31 letters. Loop has 31 letters. [2020-07-29 01:31:58,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:31:58,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:31:58,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 12 letters. Loop has 12 letters. [2020-07-29 01:31:58,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:31:58,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:31:58,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:31:58,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:31:58,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:31:58,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:31:58,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:31:58,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:31:58,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:31:58,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:31:58,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:31:58,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:31:58,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:31:58,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:31:58,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 31 states and 35 transitions. cyclomatic complexity: 5 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:31:58,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,613 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:31:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:31:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2020-07-29 01:31:58,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:31:58,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:31:58,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:31:58,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:58,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 35 transitions. cyclomatic complexity: 5 [2020-07-29 01:31:58,642 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:31:58,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2020-07-29 01:31:58,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:31:58,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:31:58,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:31:58,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:31:58,651 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:31:58,652 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:31:58,652 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:31:58,652 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:31:58,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:31:58,652 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:31:58,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:31:58,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:31:58 BoogieIcfgContainer [2020-07-29 01:31:58,677 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:31:58,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:31:58,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:31:58,678 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:31:58,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:31:53" (3/4) ... [2020-07-29 01:31:58,690 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:31:58,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:31:58,695 INFO L168 Benchmark]: Toolchain (without parser) took 5982.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 961.5 MB in the beginning and 879.8 MB in the end (delta: 81.8 MB). Peak memory consumption was 285.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:58,696 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:31:58,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:58,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.63 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 01:31:58,699 INFO L168 Benchmark]: Boogie Preprocessor took 31.53 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:58,700 INFO L168 Benchmark]: RCFGBuilder took 487.22 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:58,702 INFO L168 Benchmark]: BuchiAutomizer took 4702.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 879.8 MB in the end (delta: 187.0 MB). Peak memory consumption was 265.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:58,703 INFO L168 Benchmark]: Witness Printer took 12.75 ms. Allocated memory is still 1.2 GB. Free memory is still 879.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:31:58,711 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 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 684.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.63 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 31.53 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 487.22 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4702.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 879.8 MB in the end (delta: 187.0 MB). Peak memory consumption was 265.1 MB. Max. memory is 11.5 GB. * Witness Printer took 12.75 ms. Allocated memory is still 1.2 GB. Free memory is still 879.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s1] + -1 * s2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 14 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax100 hnf99 lsp97 ukn86 mio100 lsp42 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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...