./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ca73807de0c8f7d87fbb77e097710eeb5024a6fe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:03:42,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:03:42,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:03:42,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:03:42,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:03:42,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:03:42,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:03:42,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:03:42,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:03:42,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:03:42,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:03:42,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:03:42,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:03:42,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:03:42,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:03:42,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:03:42,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:03:42,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:03:42,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:03:42,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:03:42,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:03:42,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:03:42,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:03:42,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:03:42,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:03:42,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:03:42,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:03:42,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:03:42,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:03:42,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:03:42,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:03:42,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:03:42,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:03:42,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:03:42,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:03:42,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:03:42,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:03:42,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:03:42,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:03:42,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:03:42,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:03:42,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:03:42,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:03:42,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:03:42,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:03:42,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:03:42,525 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:03:42,525 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:03:42,525 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:03:42,525 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:03:42,526 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:03:42,526 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:03:42,527 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:03:42,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:03:42,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:03:42,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:03:42,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:03:42,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:03:42,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:03:42,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:03:42,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:03:42,530 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:03:42,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:03:42,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:03:42,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:03:42,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:03:42,531 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:03:42,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:03:42,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:03:42,532 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:03:42,534 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:03:42,534 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 -> ca73807de0c8f7d87fbb77e097710eeb5024a6fe [2019-11-28 03:03:42,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:03:42,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:03:42,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:03:42,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:03:42,892 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:03:42,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2019-11-28 03:03:42,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d9e563c2/caa042f008dc490d8988f5c2527363d6/FLAG4032fbbce [2019-11-28 03:03:43,457 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:03:43,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2019-11-28 03:03:43,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d9e563c2/caa042f008dc490d8988f5c2527363d6/FLAG4032fbbce [2019-11-28 03:03:43,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d9e563c2/caa042f008dc490d8988f5c2527363d6 [2019-11-28 03:03:43,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:03:43,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:03:43,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:03:43,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:03:43,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:03:43,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:43" (1/1) ... [2019-11-28 03:03:43,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29271dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:43, skipping insertion in model container [2019-11-28 03:03:43,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:43" (1/1) ... [2019-11-28 03:03:43,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:03:43,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:03:44,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:03:44,285 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:03:44,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:03:44,433 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:03:44,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44 WrapperNode [2019-11-28 03:03:44,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:03:44,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:03:44,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:03:44,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:03:44,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:03:44,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:03:44,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:03:44,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:03:44,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... [2019-11-28 03:03:44,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:03:44,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:03:44,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:03:44,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:03:44,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:03:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:03:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:03:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:03:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:03:44,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:03:44,882 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:03:44,882 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:03:44,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:44 BoogieIcfgContainer [2019-11-28 03:03:44,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:03:44,884 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:03:44,884 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:03:44,888 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:03:44,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:44,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:03:43" (1/3) ... [2019-11-28 03:03:44,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ad1471c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:44, skipping insertion in model container [2019-11-28 03:03:44,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:44,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:44" (2/3) ... [2019-11-28 03:03:44,892 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ad1471c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:44, skipping insertion in model container [2019-11-28 03:03:44,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:44,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:44" (3/3) ... [2019-11-28 03:03:44,894 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_diffterm_alloca.i [2019-11-28 03:03:44,965 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:03:44,965 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:03:44,965 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:03:44,966 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:03:44,967 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:03:44,967 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:03:44,967 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:03:44,967 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:03:44,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:03:45,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:03:45,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:03:45,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:03:45,007 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:03:45,007 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:03:45,007 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:03:45,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-28 03:03:45,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:03:45,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:03:45,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:03:45,009 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:03:45,009 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:03:45,016 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 6#L368-3true [2019-11-28 03:03:45,016 INFO L796 eck$LassoCheckResult]: Loop: 6#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(49 != cstrcpy_#t~mem207);havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset; 6#L368-3true [2019-11-28 03:03:45,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:45,022 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-28 03:03:45,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:45,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094144496] [2019-11-28 03:03:45,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:45,178 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:45,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:45,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2019-11-28 03:03:45,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:45,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590342464] [2019-11-28 03:03:45,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:45,204 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:45,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:45,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2019-11-28 03:03:45,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:45,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009895453] [2019-11-28 03:03:45,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:45,338 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:45,873 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-11-28 03:03:46,024 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-28 03:03:46,038 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:03:46,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:03:46,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:03:46,040 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:03:46,040 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:03:46,040 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:46,040 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:03:46,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:03:46,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_diffterm_alloca.i_Iteration1_Lasso [2019-11-28 03:03:46,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:03:46,041 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:03:46,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,447 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-11-28 03:03:46,615 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-11-28 03:03:46,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:46,860 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-11-28 03:03:47,356 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:03:47,361 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:47,368 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:47,378 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) [2019-11-28 03:03:47,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:47,418 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 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:47,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:47,462 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 [2019-11-28 03:03:47,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:47,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:47,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:47,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:47,508 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) [2019-11-28 03:03:47,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,534 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 [2019-11-28 03:03:47,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:47,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:47,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:47,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:47,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:47,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:47,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:47,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Exception during sending of exit command (exit): Broken pipe 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 [2019-11-28 03:03:47,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:47,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:47,666 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 [2019-11-28 03:03:47,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:47,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:47,695 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) [2019-11-28 03:03:47,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:47,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:47,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:47,736 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:47,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:47,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:47,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:47,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:47,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:47,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:47,782 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:03:47,987 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2019-11-28 03:03:47,987 INFO L444 ModelExtractionUtils]: 18 out of 52 variables were initially zero. Simplification set additionally 31 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:47,996 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:48,001 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:03:48,001 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:03:48,002 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 - 1*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2019-11-28 03:03:48,067 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2019-11-28 03:03:48,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:03:48,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:03:48,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:03:48,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:03:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:03:48,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 03:03:48,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:03:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:03:48,231 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:03:48,233 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-11-28 03:03:48,313 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 6 states. [2019-11-28 03:03:48,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:03:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:03:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2019-11-28 03:03:48,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 03:03:48,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:48,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 03:03:48,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:48,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 03:03:48,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:48,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2019-11-28 03:03:48,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:03:48,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-28 03:03:48,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:03:48,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:03:48,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:03:48,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:03:48,343 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:48,343 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:48,343 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:48,344 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:03:48,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:03:48,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:03:48,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:03:48,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:03:48 BoogieIcfgContainer [2019-11-28 03:03:48,352 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:03:48,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:03:48,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:03:48,353 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:03:48,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:44" (3/4) ... [2019-11-28 03:03:48,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:03:48,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:03:48,359 INFO L168 Benchmark]: Toolchain (without parser) took 4622.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:48,360 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:48,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:48,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:48,364 INFO L168 Benchmark]: Boogie Preprocessor took 25.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:48,369 INFO L168 Benchmark]: RCFGBuilder took 362.94 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:48,370 INFO L168 Benchmark]: BuchiAutomizer took 3467.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:48,370 INFO L168 Benchmark]: Witness Printer took 4.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:48,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.81 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 25.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 362.94 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3467.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf99 lsp97 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms 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...