./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcmp_malloc.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/cstrcmp_malloc.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 2b3cf29a1a2b298bac4a0639392dc4a433a50703 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:39:16,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:39:16,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:39:16,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:39:16,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:39:16,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:39:16,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:39:16,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:39:16,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:39:16,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:39:16,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:39:16,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:39:16,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:39:16,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:39:16,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:39:16,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:39:16,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:39:16,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:39:16,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:39:16,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:39:16,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:39:16,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:39:16,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:39:16,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:39:16,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:39:16,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:39:16,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:39:16,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:39:16,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:39:16,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:39:16,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:39:16,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:39:16,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:39:16,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:39:16,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:39:16,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:39:16,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:39:16,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:39:16,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:39:16,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:39:16,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:39:16,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:39:16,561 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:39:16,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:39:16,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:39:16,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:39:16,564 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:39:16,564 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:39:16,564 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:39:16,565 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:39:16,565 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:39:16,565 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:39:16,566 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:39:16,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:39:16,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:39:16,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:39:16,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:39:16,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:39:16,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:39:16,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:39:16,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:39:16,568 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:39:16,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:39:16,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:39:16,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:39:16,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:39:16,570 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:39:16,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:39:16,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:39:16,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:39:16,571 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:39:16,572 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:39:16,572 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 -> 2b3cf29a1a2b298bac4a0639392dc4a433a50703 [2020-07-29 01:39:16,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:39:16,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:39:16,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:39:16,922 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:39:16,923 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:39:16,924 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcmp_malloc.i [2020-07-29 01:39:17,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bd90c1d/d5d820f41dac44b097ef2a13044d58c2/FLAG324a43ade [2020-07-29 01:39:17,470 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:39:17,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcmp_malloc.i [2020-07-29 01:39:17,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bd90c1d/d5d820f41dac44b097ef2a13044d58c2/FLAG324a43ade [2020-07-29 01:39:17,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bd90c1d/d5d820f41dac44b097ef2a13044d58c2 [2020-07-29 01:39:17,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:39:17,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:39:17,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:17,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:39:17,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:39:17,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437dda0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:17, skipping insertion in model container [2020-07-29 01:39:17,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:17" (1/1) ... [2020-07-29 01:39:17,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:39:17,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:39:18,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:18,308 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:39:18,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:18,433 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:39:18,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18 WrapperNode [2020-07-29 01:39:18,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:18,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:18,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:39:18,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:39:18,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:18,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:39:18,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:39:18,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:39:18,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (1/1) ... [2020-07-29 01:39:18,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:39:18,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:39:18,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:39:18,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:39:18,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (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 01:39:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:39:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:39:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 01:39:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:39:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:39:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:39:19,073 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:39:19,073 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:39:19,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:19 BoogieIcfgContainer [2020-07-29 01:39:19,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:39:19,077 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:39:19,077 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:39:19,082 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:39:19,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:19,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:39:17" (1/3) ... [2020-07-29 01:39:19,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c535846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:19, skipping insertion in model container [2020-07-29 01:39:19,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:19,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:18" (2/3) ... [2020-07-29 01:39:19,091 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c535846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:19, skipping insertion in model container [2020-07-29 01:39:19,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:19,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:19" (3/3) ... [2020-07-29 01:39:19,093 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcmp_malloc.i [2020-07-29 01:39:19,159 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:39:19,161 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:39:19,161 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:39:19,162 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:39:19,162 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:39:19,162 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:39:19,162 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:39:19,162 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:39:19,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:19,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:19,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:19,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:19,224 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:19,224 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:39:19,224 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:39:19,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:19,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:19,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:19,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:19,231 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 01:39:19,232 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:39:19,242 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 17#L378true assume !(main_~length1~0 < 1); 4#L378-2true assume !(main_~length2~0 < 1); 14#L381-1true call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 7#L367-5true [2020-07-29 01:39:19,243 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-5true call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205; 3#L367-1true assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; 5#L367-3true assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 7#L367-5true [2020-07-29 01:39:19,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:19,251 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2020-07-29 01:39:19,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:19,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427782302] [2020-07-29 01:39:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:19,390 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:19,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:19,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:19,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:19,450 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2020-07-29 01:39:19,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:19,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823881608] [2020-07-29 01:39:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:19,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:19,475 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:19,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:19,485 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2020-07-29 01:39:19,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:19,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159846135] [2020-07-29 01:39:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:19,555 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:19,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:19,609 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:19,791 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-07-29 01:39:20,271 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2020-07-29 01:39:20,441 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-29 01:39:20,456 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:39:20,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:39:20,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:39:20,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:39:20,457 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:39:20,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:20,458 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:39:20,458 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:39:20,458 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp_malloc.i_Iteration1_Lasso [2020-07-29 01:39:20,458 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:39:20,459 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:39:20,521 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 01:39:20,531 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 01:39:20,536 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 01:39:20,541 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 01:39:20,546 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 01:39:20,554 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 01:39:20,559 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 01:39:20,564 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 01:39:20,568 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 01:39:20,574 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 01:39:20,578 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 01:39:21,021 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2020-07-29 01:39:21,194 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-07-29 01:39:21,202 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 01:39:21,207 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 01:39:21,212 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 01:39:21,216 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 01:39:21,220 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 01:39:21,225 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 01:39:21,229 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 01:39:21,233 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 01:39:21,238 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 01:39:21,242 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 01:39:21,249 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 01:39:22,494 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-07-29 01:39:22,722 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:39:22,728 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 01:39:22,751 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 01:39:22,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:22,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:22,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:22,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:22,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:22,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:22,758 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 01:39:22,762 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 01:39:22,811 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 01:39:22,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:22,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:22,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:22,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:22,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:22,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:22,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:22,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:22,857 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 01:39:22,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:22,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:22,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:22,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:22,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:22,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:22,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:22,865 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 01:39:22,908 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 01:39:22,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:22,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:22,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:22,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:22,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:22,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:22,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:22,914 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 01:39:22,944 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 01:39:22,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:22,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:22,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:22,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:22,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:22,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:22,954 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 01:39:22,977 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 01:39:22,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:22,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:22,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:22,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:22,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:22,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:22,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:22,987 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 01:39:23,013 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 01:39:23,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:23,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:23,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:23,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:23,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:23,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:23,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:23,023 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 01:39:23,055 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 01:39:23,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:23,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:23,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:23,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:23,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:23,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:23,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:23,059 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 01:39:23,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:23,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:23,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:23,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:23,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:23,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:23,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:23,093 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 01:39:23,115 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 01:39:23,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:23,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:23,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:23,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:23,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:23,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:23,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:23,119 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 01:39:23,148 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 01:39:23,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:23,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:23,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:23,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:23,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:23,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:23,167 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 01:39:23,196 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 01:39:23,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:23,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:23,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:23,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:23,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:23,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:23,234 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:39:23,437 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2020-07-29 01:39:23,438 INFO L444 ModelExtractionUtils]: 10 out of 46 variables were initially zero. Simplification set additionally 33 variables to zero. 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 01:39:23,446 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:39:23,450 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:39:23,450 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:39:23,451 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_1 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2020-07-29 01:39:23,582 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2020-07-29 01:39:23,591 INFO L393 LassoCheck]: Loop: "call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205;" "assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207;" "assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset;" [2020-07-29 01:39:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:23,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:39:23,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:23,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:39:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:23,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:23,700 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#unseeded} is VALID [2020-07-29 01:39:23,701 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#unseeded} havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~res~0;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; {25#unseeded} is VALID [2020-07-29 01:39:23,702 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#unseeded} assume !(main_~length1~0 < 1); {25#unseeded} is VALID [2020-07-29 01:39:23,703 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#unseeded} assume !(main_~length2~0 < 1); {25#unseeded} is VALID [2020-07-29 01:39:23,706 INFO L280 TraceCheckUtils]: 4: Hoare triple {25#unseeded} call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; {119#(and (= ULTIMATE.start_cstrcmp_~s1.base |ULTIMATE.start_main_#t~malloc216.base|) unseeded)} is VALID [2020-07-29 01:39:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:23,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:39:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:23,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:23,763 INFO L280 TraceCheckUtils]: 0: Hoare triple {120#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc216.base|) (* (- 1) ULTIMATE.start_cstrcmp_~s1.offset))) (= ULTIMATE.start_cstrcmp_~s1.base |ULTIMATE.start_main_#t~malloc216.base|))} call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205; {140#(and (<= (+ ULTIMATE.start_cstrcmp_~s1.offset 1) (select |#length| ULTIMATE.start_cstrcmp_~s1.base)) (= ULTIMATE.start_cstrcmp_~s1.base |ULTIMATE.start_main_#t~malloc216.base|) (<= (select |#length| |ULTIMATE.start_main_#t~malloc216.base|) (+ ULTIMATE.start_cstrcmp_~s1.offset oldRank0)))} is VALID [2020-07-29 01:39:23,765 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#(and (<= (+ ULTIMATE.start_cstrcmp_~s1.offset 1) (select |#length| ULTIMATE.start_cstrcmp_~s1.base)) (= ULTIMATE.start_cstrcmp_~s1.base |ULTIMATE.start_main_#t~malloc216.base|) (<= (select |#length| |ULTIMATE.start_main_#t~malloc216.base|) (+ ULTIMATE.start_cstrcmp_~s1.offset oldRank0)))} assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; {140#(and (<= (+ ULTIMATE.start_cstrcmp_~s1.offset 1) (select |#length| ULTIMATE.start_cstrcmp_~s1.base)) (= ULTIMATE.start_cstrcmp_~s1.base |ULTIMATE.start_main_#t~malloc216.base|) (<= (select |#length| |ULTIMATE.start_main_#t~malloc216.base|) (+ ULTIMATE.start_cstrcmp_~s1.offset oldRank0)))} is VALID [2020-07-29 01:39:23,767 INFO L280 TraceCheckUtils]: 2: Hoare triple {140#(and (<= (+ ULTIMATE.start_cstrcmp_~s1.offset 1) (select |#length| ULTIMATE.start_cstrcmp_~s1.base)) (= ULTIMATE.start_cstrcmp_~s1.base |ULTIMATE.start_main_#t~malloc216.base|) (<= (select |#length| |ULTIMATE.start_main_#t~malloc216.base|) (+ ULTIMATE.start_cstrcmp_~s1.offset oldRank0)))} assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, 1 + cstrcmp_#t~post209.offset;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, 1 + cstrcmp_#t~post210.offset;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; {122#(and (= ULTIMATE.start_cstrcmp_~s1.base |ULTIMATE.start_main_#t~malloc216.base|) (or (and (>= oldRank0 0) (> oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc216.base|) (* (- 1) ULTIMATE.start_cstrcmp_~s1.offset)))) unseeded))} is VALID [2020-07-29 01:39:23,767 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 01:39:23,780 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:39:23,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:39:23,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:23,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:23,811 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 01:39:23,813 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2020-07-29 01:39:23,987 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 32 states and 41 transitions. Complement of second has 5 states. [2020-07-29 01:39:23,989 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 01:39:23,990 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:23,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:23,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:23,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:23,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:23,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:39:24,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:24,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:24,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:24,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2020-07-29 01:39:24,021 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:24,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:24,028 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states. [2020-07-29 01:39:24,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:39:24,034 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:39:24,036 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:39:24,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:24,044 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:24,045 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 32 states and 41 transitions. cyclomatic complexity: 10 [2020-07-29 01:39:24,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. cyclomatic complexity: 10 [2020-07-29 01:39:24,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:24,046 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:39:24,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:24,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:24,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:24,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:24,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:24,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:24,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:39:24,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:39:24,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:39:24,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:24,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:24,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:24,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:24,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:24,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:24,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:39:24,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:39:24,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:39:24,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:24,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:24,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:39:24,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:24,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:24,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:24,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:24,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:24,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:24,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:24,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:24,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 41 transitions. cyclomatic complexity: 10 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:24,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,062 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:39:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-07-29 01:39:24,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:39:24,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:39:24,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:39:24,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:24,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. cyclomatic complexity: 10 [2020-07-29 01:39:24,074 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:24,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-07-29 01:39:24,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:39:24,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:39:24,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:39:24,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:39:24,081 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:24,081 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:24,082 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:24,082 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:39:24,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:39:24,082 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:24,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:24,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:39:24 BoogieIcfgContainer [2020-07-29 01:39:24,092 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:39:24,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:39:24,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:39:24,093 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:39:24,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:19" (3/4) ... [2020-07-29 01:39:24,098 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:39:24,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:39:24,101 INFO L168 Benchmark]: Toolchain (without parser) took 6332.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 960.2 MB in the beginning and 814.3 MB in the end (delta: 145.9 MB). Peak memory consumption was 358.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:24,102 INFO L168 Benchmark]: CDTParser took 0.42 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 01:39:24,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:24,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.95 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 01:39:24,105 INFO L168 Benchmark]: Boogie Preprocessor took 45.12 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 01:39:24,106 INFO L168 Benchmark]: RCFGBuilder took 535.57 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:24,107 INFO L168 Benchmark]: BuchiAutomizer took 5014.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 814.3 MB in the end (delta: 273.8 MB). Peak memory consumption was 339.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:24,108 INFO L168 Benchmark]: Witness Printer took 6.60 ms. Allocated memory is still 1.2 GB. Free memory is still 814.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:24,112 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 0.42 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 662.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.95 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 45.12 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 535.57 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: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5014.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 814.3 MB in the end (delta: 273.8 MB). Peak memory consumption was 339.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.60 ms. Allocated memory is still 1.2 GB. Free memory is still 814.3 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[malloc(length1 * sizeof(char))] + -1 * s1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. 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: 15 SDtfs, 25 SDslu, 8 SDs, 0 SdLazy, 7 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital217 mio100 ax100 hnf99 lsp97 ukn87 mio100 lsp45 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf175 smp91 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms 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...