./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- 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/array-memsafety/openbsd_cmemset-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 10bdb405bd6bca2bddb8b686c44dad291e109402 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:26:00,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:26:00,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:26:00,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:26:00,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:26:00,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:26:00,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:26:00,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:26:00,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:26:00,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:26:00,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:26:00,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:26:00,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:26:00,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:26:00,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:26:00,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:26:00,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:26:00,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:26:00,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:26:00,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:26:00,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:26:00,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:26:00,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:26:00,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:26:00,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:26:00,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:26:00,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:26:00,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:26:00,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:26:00,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:26:00,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:26:00,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:26:00,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:26:00,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:26:00,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:26:00,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:26:00,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:26:00,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:26:00,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:26:00,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:26:00,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:26:00,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:26:00,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:26:00,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:26:00,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:26:00,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:26:00,822 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:26:00,823 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:26:00,823 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:26:00,823 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:26:00,824 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:26:00,824 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:26:00,825 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:26:00,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:26:00,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:26:00,826 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:26:00,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:26:00,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:26:00,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:26:00,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:26:00,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:26:00,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:26:00,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:26:00,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:26:00,828 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:26:00,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:26:00,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:26:00,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:26:00,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:26:00,830 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:26:00,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:26:00,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:26:00,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:26:00,832 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:26:00,833 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:26:00,834 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bdb405bd6bca2bddb8b686c44dad291e109402 [2020-07-29 03:26:01,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:26:01,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:26:01,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:26:01,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:26:01,170 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:26:01,171 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2020-07-29 03:26:01,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27fbd18a9/8d84e60ab01742cb9bf6bc48e2f7820f/FLAG9dd5dfd46 [2020-07-29 03:26:01,720 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:26:01,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2020-07-29 03:26:01,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27fbd18a9/8d84e60ab01742cb9bf6bc48e2f7820f/FLAG9dd5dfd46 [2020-07-29 03:26:01,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27fbd18a9/8d84e60ab01742cb9bf6bc48e2f7820f [2020-07-29 03:26:01,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:26:01,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:26:02,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:26:02,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:26:02,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:26:02,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:26:01" (1/1) ... [2020-07-29 03:26:02,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6290d171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02, skipping insertion in model container [2020-07-29 03:26:02,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:26:01" (1/1) ... [2020-07-29 03:26:02,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:26:02,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:26:02,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:26:02,487 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:26:02,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:26:02,594 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:26:02,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02 WrapperNode [2020-07-29 03:26:02,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:26:02,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:26:02,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:26:02,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:26:02,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:26:02,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:26:02,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:26:02,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:26:02,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (1/1) ... [2020-07-29 03:26:02,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:26:02,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:26:02,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:26:02,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:26:02,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (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 03:26:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 03:26:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 03:26:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 03:26:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:26:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:26:03,038 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:26:03,045 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 03:26:03,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:26:03 BoogieIcfgContainer [2020-07-29 03:26:03,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:26:03,050 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:26:03,050 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:26:03,054 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:26:03,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:26:03,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:26:01" (1/3) ... [2020-07-29 03:26:03,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27dfc861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:26:03, skipping insertion in model container [2020-07-29 03:26:03,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:26:03,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:26:02" (2/3) ... [2020-07-29 03:26:03,057 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27dfc861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:26:03, skipping insertion in model container [2020-07-29 03:26:03,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:26:03,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:26:03" (3/3) ... [2020-07-29 03:26:03,059 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemset-alloca-1.i [2020-07-29 03:26:03,118 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:26:03,119 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:26:03,119 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:26:03,119 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:26:03,119 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:26:03,120 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:26:03,120 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:26:03,120 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:26:03,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:26:03,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:26:03,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:26:03,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:26:03,159 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 03:26:03,159 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:26:03,159 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:26:03,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:26:03,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:26:03,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:26:03,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:26:03,163 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 03:26:03,164 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:26:03,170 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~ret8.base, main_#t~ret8.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~c~0 := main_#t~nondet6;havoc main_#t~nondet6; 16#L527true assume !(main_~length~0 < 1); 6#L527-2true assume !(main_~n~0 < 1); 14#L530-1true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;cmemset_#in~dst.base, cmemset_#in~dst.offset, cmemset_#in~c, cmemset_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemset_#res.base, cmemset_#res.offset;havoc cmemset_#t~post3.base, cmemset_#t~post3.offset, cmemset_#t~pre2, cmemset_~d~0.base, cmemset_~d~0.offset, cmemset_~dst.base, cmemset_~dst.offset, cmemset_~c, cmemset_~n;cmemset_~dst.base, cmemset_~dst.offset := cmemset_#in~dst.base, cmemset_#in~dst.offset;cmemset_~c := cmemset_#in~c;cmemset_~n := cmemset_#in~n; 4#L515true assume 0 != cmemset_~n % 4294967296;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_~dst.base, cmemset_~dst.offset; 9#L517-4true [2020-07-29 03:26:03,170 INFO L796 eck$LassoCheckResult]: Loop: 9#L517-4true cmemset_#t~post3.base, cmemset_#t~post3.offset := cmemset_~d~0.base, cmemset_~d~0.offset;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_#t~post3.base, 1 + cmemset_#t~post3.offset;call write~int(cmemset_~c, cmemset_#t~post3.base, cmemset_#t~post3.offset, 1);havoc cmemset_#t~post3.base, cmemset_#t~post3.offset; 3#L517-1true cmemset_#t~pre2 := cmemset_~n - 1;cmemset_~n := cmemset_~n - 1; 5#L517-2true assume !!(0 != cmemset_#t~pre2 % 4294967296);havoc cmemset_#t~pre2; 9#L517-4true [2020-07-29 03:26:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-07-29 03:26:03,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:03,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508088114] [2020-07-29 03:26:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:03,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:03,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:03,339 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:26:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash 51706, now seen corresponding path program 1 times [2020-07-29 03:26:03,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:03,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601523023] [2020-07-29 03:26:03,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:03,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:03,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:03,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:26:03,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:03,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1298288271, now seen corresponding path program 1 times [2020-07-29 03:26:03,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:26:03,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168239674] [2020-07-29 03:26:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:26:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:03,445 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:26:03,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:26:03,495 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:26:03,890 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-07-29 03:26:04,045 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:26:04,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:26:04,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:26:04,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:26:04,047 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:26:04,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:26:04,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:26:04,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:26:04,049 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemset-alloca-1.i_Iteration1_Lasso [2020-07-29 03:26:04,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:26:04,049 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:26:04,125 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 03:26:04,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:26:04,385 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-07-29 03:26:04,473 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 03:26:04,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:26:04,484 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 03:26:04,490 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 03:26:04,495 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 03:26:04,501 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 03:26:04,508 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 03:26:04,514 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 03:26:04,520 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 03:26:04,526 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 03:26:04,531 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 03:26:04,536 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 03:26:04,541 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 03:26:04,548 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 03:26:04,555 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 03:26:04,560 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 03:26:05,068 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-07-29 03:26:05,186 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-07-29 03:26:05,676 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:26:05,682 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 03:26:05,695 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 03:26:05,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:26:05,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:26:05,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:26:05,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:26:05,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:26:05,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:26:05,702 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 03:26:05,705 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 03:26:05,752 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 03:26:05,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:26:05,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:26:05,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:26:05,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:26:05,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:26:05,766 INFO L402 nArgumentSynthesizer]: A total of 2 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 03:26:05,775 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 03:26:05,813 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 03:26:05,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:26:05,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:26:05,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:26:05,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:26:05,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:26:05,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:26:05,818 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 03:26:05,821 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 03:26:05,850 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 03:26:05,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:26:05,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:26:05,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:26:05,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:26:05,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:26:05,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:26:05,884 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 03:26:05,912 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 03:26:05,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:26:05,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:26:05,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:26:05,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:26:05,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:26:05,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:26:05,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 03:26:05,955 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 03:26:05,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:26:05,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:26:05,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:26:05,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:26:05,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:26:05,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:26:05,970 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 03:26:06,000 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 03:26:06,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:26:06,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:26:06,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:26:06,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:26:06,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:26:06,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:26:06,044 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:26:06,075 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-07-29 03:26:06,075 INFO L444 ModelExtractionUtils]: 26 out of 34 variables were initially zero. Simplification set additionally 5 variables to zero. 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 03:26:06,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 03:26:06,152 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 03:26:06,153 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:26:06,154 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemset_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1) = -1*ULTIMATE.start_cmemset_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 Supporting invariants [] [2020-07-29 03:26:06,209 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-07-29 03:26:06,217 INFO L393 LassoCheck]: Loop: "cmemset_#t~post3.base, cmemset_#t~post3.offset := cmemset_~d~0.base, cmemset_~d~0.offset;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_#t~post3.base, 1 + cmemset_#t~post3.offset;call write~int(cmemset_~c, cmemset_#t~post3.base, cmemset_#t~post3.offset, 1);havoc cmemset_#t~post3.base, cmemset_#t~post3.offset;" "cmemset_#t~pre2 := cmemset_~n - 1;cmemset_~n := cmemset_~n - 1;" "assume !!(0 != cmemset_#t~pre2 % 4294967296);havoc cmemset_#t~pre2;" [2020-07-29 03:26:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:26:06,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 03:26:06,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:26:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:26:06,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 03:26:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:26:06,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:26:06,344 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {24#unseeded} is VALID [2020-07-29 03:26:06,345 INFO L280 TraceCheckUtils]: 1: Hoare triple {24#unseeded} havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~ret8.base, main_#t~ret8.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~c~0 := main_#t~nondet6;havoc main_#t~nondet6; {24#unseeded} is VALID [2020-07-29 03:26:06,345 INFO L280 TraceCheckUtils]: 2: Hoare triple {24#unseeded} assume !(main_~length~0 < 1); {24#unseeded} is VALID [2020-07-29 03:26:06,346 INFO L280 TraceCheckUtils]: 3: Hoare triple {24#unseeded} assume !(main_~n~0 < 1); {24#unseeded} is VALID [2020-07-29 03:26:06,347 INFO L280 TraceCheckUtils]: 4: Hoare triple {24#unseeded} call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;cmemset_#in~dst.base, cmemset_#in~dst.offset, cmemset_#in~c, cmemset_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemset_#res.base, cmemset_#res.offset;havoc cmemset_#t~post3.base, cmemset_#t~post3.offset, cmemset_#t~pre2, cmemset_~d~0.base, cmemset_~d~0.offset, cmemset_~dst.base, cmemset_~dst.offset, cmemset_~c, cmemset_~n;cmemset_~dst.base, cmemset_~dst.offset := cmemset_#in~dst.base, cmemset_#in~dst.offset;cmemset_~c := cmemset_#in~c;cmemset_~n := cmemset_#in~n; {74#(and (= ULTIMATE.start_cmemset_~dst.base |ULTIMATE.start_main_#t~malloc7.base|) unseeded)} is VALID [2020-07-29 03:26:06,348 INFO L280 TraceCheckUtils]: 5: Hoare triple {74#(and (= ULTIMATE.start_cmemset_~dst.base |ULTIMATE.start_main_#t~malloc7.base|) unseeded)} assume 0 != cmemset_~n % 4294967296;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_~dst.base, cmemset_~dst.offset; {53#(and (= |ULTIMATE.start_main_#t~malloc7.base| ULTIMATE.start_cmemset_~d~0.base) unseeded)} is VALID [2020-07-29 03:26:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:26:06,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 03:26:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:26:06,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:26:06,483 INFO L280 TraceCheckUtils]: 0: Hoare triple {54#(and (= |ULTIMATE.start_main_#t~malloc7.base| ULTIMATE.start_cmemset_~d~0.base) (>= oldRank0 (+ (* (- 1) ULTIMATE.start_cmemset_~d~0.offset) (select |#length| |ULTIMATE.start_main_#t~malloc7.base|))))} cmemset_#t~post3.base, cmemset_#t~post3.offset := cmemset_~d~0.base, cmemset_~d~0.offset;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_#t~post3.base, 1 + cmemset_#t~post3.offset;call write~int(cmemset_~c, cmemset_#t~post3.base, cmemset_#t~post3.offset, 1);havoc cmemset_#t~post3.base, cmemset_#t~post3.offset; {78#(and (= |ULTIMATE.start_main_#t~malloc7.base| ULTIMATE.start_cmemset_~d~0.base) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ ULTIMATE.start_cmemset_~d~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemset_~d~0.base))))} is VALID [2020-07-29 03:26:06,484 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#(and (= |ULTIMATE.start_main_#t~malloc7.base| ULTIMATE.start_cmemset_~d~0.base) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ ULTIMATE.start_cmemset_~d~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemset_~d~0.base))))} cmemset_#t~pre2 := cmemset_~n - 1;cmemset_~n := cmemset_~n - 1; {78#(and (= |ULTIMATE.start_main_#t~malloc7.base| ULTIMATE.start_cmemset_~d~0.base) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ ULTIMATE.start_cmemset_~d~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemset_~d~0.base))))} is VALID [2020-07-29 03:26:06,486 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#(and (= |ULTIMATE.start_main_#t~malloc7.base| ULTIMATE.start_cmemset_~d~0.base) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ ULTIMATE.start_cmemset_~d~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemset_~d~0.base))))} assume !!(0 != cmemset_#t~pre2 % 4294967296);havoc cmemset_#t~pre2; {56#(and (or (and (> oldRank0 (+ (* (- 1) ULTIMATE.start_cmemset_~d~0.offset) (select |#length| |ULTIMATE.start_main_#t~malloc7.base|))) (>= oldRank0 0)) unseeded) (= |ULTIMATE.start_main_#t~malloc7.base| ULTIMATE.start_cmemset_~d~0.base))} is VALID [2020-07-29 03:26:06,487 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 03:26:06,497 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 03:26:06,514 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 03:26:06,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,525 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-07-29 03:26:06,526 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2020-07-29 03:26:06,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 29 states and 32 transitions. Complement of second has 7 states. [2020-07-29 03:26:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 03:26:06,638 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:26:06,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-07-29 03:26:06,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:26:06,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:26:06,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:26:06,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 03:26:06,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 03:26:06,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:26:06,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:26:06,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 32 transitions. [2020-07-29 03:26:06,650 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:26:06,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:26:06,652 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states. [2020-07-29 03:26:06,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:26:06,655 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 03:26:06,655 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 03:26:06,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 03:26:06,659 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 03:26:06,659 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 32 transitions. cyclomatic complexity: 4 [2020-07-29 03:26:06,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 32 transitions. cyclomatic complexity: 4 [2020-07-29 03:26:06,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:26:06,660 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:26:06,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 03:26:06,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 03:26:06,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 03:26:06,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:26:06,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:26:06,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 29 letters. Loop has 29 letters. [2020-07-29 03:26:06,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:26:06,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:26:06,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 14 letters. Loop has 14 letters. [2020-07-29 03:26:06,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:26:06,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:26:06,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 5 letters. [2020-07-29 03:26:06,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 03:26:06,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 03:26:06,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 7 letters. Loop has 3 letters. [2020-07-29 03:26:06,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 03:26:06,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 03:26:06,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 8 letters. Loop has 3 letters. [2020-07-29 03:26:06,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 03:26:06,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 03:26:06,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 3 letters. Loop has 1 letters. [2020-07-29 03:26:06,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 03:26:06,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 03:26:06,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 32 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 03:26:06,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,677 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:26:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 03:26:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-07-29 03:26:06,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2020-07-29 03:26:06,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2020-07-29 03:26:06,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2020-07-29 03:26:06,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:26:06,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 32 transitions. cyclomatic complexity: 4 [2020-07-29 03:26:06,687 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:26:06,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-07-29 03:26:06,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:26:06,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:26:06,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:26:06,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:26:06,693 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:26:06,693 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:26:06,693 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:26:06,693 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:26:06,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:26:06,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:26:06,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:26:06,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:26:06 BoogieIcfgContainer [2020-07-29 03:26:06,701 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:26:06,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:26:06,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:26:06,702 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:26:06,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:26:03" (3/4) ... [2020-07-29 03:26:06,707 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:26:06,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:26:06,709 INFO L168 Benchmark]: Toolchain (without parser) took 4711.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -60.3 MB). Peak memory consumption was 116.9 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:06,709 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:26:06,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -124.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:06,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:26:06,712 INFO L168 Benchmark]: Boogie Preprocessor took 25.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:06,713 INFO L168 Benchmark]: RCFGBuilder took 380.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:06,714 INFO L168 Benchmark]: BuchiAutomizer took 3651.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 120.4 MB. Max. memory is 11.5 GB. [2020-07-29 03:26:06,714 INFO L168 Benchmark]: Witness Printer took 4.99 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. [2020-07-29 03:26:06,718 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 594.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -124.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 380.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3651.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 120.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.99 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 -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 18 SDslu, 11 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital137 mio100 ax113 hnf98 lsp82 ukn93 mio100 lsp59 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 3 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...