./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-acceleration/array_2-2.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/loop-acceleration/array_2-2.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 6cf45fad85d859bd49993135d653eb18d378c433 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:06:48,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:06:48,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:06:48,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:06:48,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:06:48,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:06:48,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:06:48,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:06:48,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:06:48,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:06:48,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:06:48,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:06:48,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:06:48,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:06:48,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:06:48,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:06:48,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:06:48,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:06:48,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:06:48,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:06:48,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:06:48,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:06:48,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:06:48,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:06:48,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:06:48,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:06:48,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:06:48,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:06:48,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:06:48,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:06:48,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:06:48,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:06:48,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:06:48,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:06:48,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:06:48,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:06:48,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:06:48,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:06:48,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:06:48,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:06:48,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:06:48,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:06:48,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:06:48,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:06:48,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:06:48,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:06:48,151 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:06:48,152 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:06:48,152 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:06:48,152 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:06:48,153 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:06:48,153 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:06:48,153 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:06:48,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:06:48,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:06:48,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:06:48,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:06:48,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:06:48,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:06:48,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:06:48,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:06:48,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:06:48,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:06:48,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:06:48,156 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:06:48,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:06:48,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:06:48,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:06:48,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:06:48,158 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:06:48,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:06:48,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:06:48,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:06:48,159 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:06:48,160 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:06:48,160 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 -> 6cf45fad85d859bd49993135d653eb18d378c433 [2020-07-29 02:06:48,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:06:48,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:06:48,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:06:48,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:06:48,465 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:06:48,466 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_2-2.i [2020-07-29 02:06:48,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e64d30c7/445a27bb15714b6cbf99c26e9375517e/FLAG3e852a4ea [2020-07-29 02:06:48,955 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:06:48,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_2-2.i [2020-07-29 02:06:48,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e64d30c7/445a27bb15714b6cbf99c26e9375517e/FLAG3e852a4ea [2020-07-29 02:06:49,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e64d30c7/445a27bb15714b6cbf99c26e9375517e [2020-07-29 02:06:49,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:06:49,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:06:49,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:06:49,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:06:49,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:06:49,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbcdde0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49, skipping insertion in model container [2020-07-29 02:06:49,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:06:49,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:06:49,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:06:49,657 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:06:49,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:06:49,699 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:06:49,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49 WrapperNode [2020-07-29 02:06:49,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:06:49,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:06:49,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:06:49,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:06:49,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:06:49,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:06:49,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:06:49,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:06:49,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (1/1) ... [2020-07-29 02:06:49,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:06:49,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:06:49,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:06:49,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:06:49,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (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 02:06:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 02:06:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:06:49,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:06:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 02:06:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 02:06:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 02:06:50,120 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:06:50,120 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 02:06:50,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:06:50 BoogieIcfgContainer [2020-07-29 02:06:50,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:06:50,124 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:06:50,124 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:06:50,128 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:06:50,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:06:50,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:06:49" (1/3) ... [2020-07-29 02:06:50,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5939be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:06:50, skipping insertion in model container [2020-07-29 02:06:50,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:06:50,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:06:49" (2/3) ... [2020-07-29 02:06:50,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5939be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:06:50, skipping insertion in model container [2020-07-29 02:06:50,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:06:50,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:06:50" (3/3) ... [2020-07-29 02:06:50,133 INFO L371 chiAutomizerObserver]: Analyzing ICFG array_2-2.i [2020-07-29 02:06:50,190 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:06:50,190 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:06:50,190 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:06:50,190 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:06:50,190 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:06:50,190 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:06:50,190 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:06:50,191 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:06:50,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:06:50,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:06:50,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:06:50,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:06:50,269 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:06:50,269 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:06:50,269 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:06:50,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:06:50,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:06:50,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:06:50,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:06:50,274 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:06:50,274 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:06:50,283 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~mem1, main_#t~post0, main_#t~mem2, main_#t~mem3, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);call main_~#B~0.base, main_~#B~0.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; 4#L13-3true [2020-07-29 02:06:50,283 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-3true assume !!(main_~i~0 < 2048);call main_#t~mem1 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem1;havoc main_#t~mem1;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4); 6#L13-2true main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 4#L13-3true [2020-07-29 02:06:50,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:06:50,291 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-07-29 02:06:50,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:06:50,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920728349] [2020-07-29 02:06:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:06:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:50,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:50,405 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:50,424 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:06:50,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:06:50,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-07-29 02:06:50,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:06:50,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571289244] [2020-07-29 02:06:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:06:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:50,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:50,448 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:50,451 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:06:50,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:06:50,453 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-07-29 02:06:50,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:06:50,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662540599] [2020-07-29 02:06:50,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:06:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:50,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:06:50,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:06:50,517 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:06:50,757 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-07-29 02:06:50,866 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:06:50,871 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:06:50,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:06:50,871 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:06:50,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:06:50,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:50,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:06:50,873 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:06:50,873 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_2-2.i_Iteration1_Lasso [2020-07-29 02:06:50,873 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:06:50,874 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:06:50,931 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 02:06:50,941 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 02:06:50,946 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 02:06:50,951 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 02:06:50,957 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 02:06:50,965 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 02:06:50,973 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 02:06:51,174 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 02:06:51,651 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:06:51,656 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 02:06:51,663 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 [2020-07-29 02:06:51,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:51,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:06:51,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:51,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:51,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:51,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:06:51,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:06:51,688 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 02:06:51,741 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 02:06:51,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:51,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:06:51,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:51,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:51,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:51,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:06:51,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:51,754 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 02:06:51,793 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:51,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:51,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:06:51,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:51,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:51,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:51,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:06:51,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:06:51,799 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 02:06:51,823 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 02:06:51,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:51,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:06:51,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:51,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:51,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:51,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:06:51,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:06:51,830 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 02:06:51,862 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 02:06:51,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:51,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:51,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:51,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:51,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:06:51,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:06:51,880 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 02:06:51,906 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 02:06:51,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:51,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:51,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:51,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:51,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:06:51,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:06:51,916 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) [2020-07-29 02:06:51,964 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 02:06:51,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:51,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:06:51,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:51,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:51,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:51,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:06:51,968 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 [2020-07-29 02:06:51,970 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:06:52,004 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 02:06:52,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:52,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:52,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:52,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:52,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:06:52,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:52,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:52,061 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 02:06:52,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:52,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:06:52,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:52,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:52,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:52,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:06:52,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:06:52,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:52,096 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 02:06:52,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:52,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:52,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:52,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:52,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:06:52,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:06:52,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:52,129 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 02:06:52,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:06:52,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:06:52,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:06:52,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:06:52,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:06:52,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:06:52,161 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:06:52,199 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-07-29 02:06:52,199 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. 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) [2020-07-29 02:06:52,232 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:06:52,266 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 02:06:52,267 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 02:06:52,268 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1, ULTIMATE.start_main_~i~0) = 4095*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 - 8*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-07-29 02:06:52,379 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-07-29 02:06:52,386 INFO L393 LassoCheck]: Loop: "assume !!(main_~i~0 < 2048);call main_#t~mem1 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem1;havoc main_#t~mem1;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4);" "main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0;" [2020-07-29 02:06:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:06:52,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 02:06:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:06:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:06:52,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 02:06:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:06:52,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:06:52,454 INFO L280 TraceCheckUtils]: 0: Hoare triple {21#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {21#unseeded} is VALID [2020-07-29 02:06:52,456 INFO L280 TraceCheckUtils]: 1: Hoare triple {21#unseeded} havoc main_#res;havoc main_#t~mem1, main_#t~post0, main_#t~mem2, main_#t~mem3, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);call main_~#B~0.base, main_~#B~0.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; {21#unseeded} is VALID [2020-07-29 02:06:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:06:52,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 02:06:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:06:52,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:06:52,548 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#(>= oldRank0 (+ (* 4095 (select |#length| |ULTIMATE.start_main_~#A~0.base|)) (* (- 8) ULTIMATE.start_main_~i~0)))} assume !!(main_~i~0 < 2048);call main_#t~mem1 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem1;havoc main_#t~mem1;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4); {62#(and (< ULTIMATE.start_main_~i~0 2048) (<= (* 4095 (select |#length| |ULTIMATE.start_main_~#A~0.base|)) (+ oldRank0 (* 8 ULTIMATE.start_main_~i~0))) (<= 4 (select |#length| |ULTIMATE.start_main_~#A~0.base|)))} is VALID [2020-07-29 02:06:52,549 INFO L280 TraceCheckUtils]: 1: Hoare triple {62#(and (< ULTIMATE.start_main_~i~0 2048) (<= (* 4095 (select |#length| |ULTIMATE.start_main_~#A~0.base|)) (+ oldRank0 (* 8 ULTIMATE.start_main_~i~0))) (<= 4 (select |#length| |ULTIMATE.start_main_~#A~0.base|)))} main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; {54#(or (and (>= oldRank0 0) (> oldRank0 (+ (* 4095 (select |#length| |ULTIMATE.start_main_~#A~0.base|)) (* (- 8) ULTIMATE.start_main_~i~0)))) unseeded)} is VALID [2020-07-29 02:06:52,550 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 02:06:52,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:06:52,575 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:06:52,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,587 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 02:06:52,588 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2020-07-29 02:06:52,686 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 8 states. [2020-07-29 02:06:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 02:06:52,687 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:06:52,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:06:52,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:06:52,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:06:52,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:06:52,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 02:06:52,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:06:52,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:06:52,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:06:52,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2020-07-29 02:06:52,697 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:06:52,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:06:52,700 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 11 states. [2020-07-29 02:06:52,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:06:52,702 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:06:52,703 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 02:06:52,705 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:06:52,705 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:06:52,706 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 24 states and 30 transitions. cyclomatic complexity: 7 [2020-07-29 02:06:52,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. cyclomatic complexity: 7 [2020-07-29 02:06:52,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:06:52,706 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 02:06:52,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:06:52,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:06:52,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:06:52,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 02:06:52,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 02:06:52,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 24 letters. Loop has 24 letters. [2020-07-29 02:06:52,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 02:06:52,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 02:06:52,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 11 letters. Loop has 11 letters. [2020-07-29 02:06:52,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:06:52,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:06:52,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:06:52,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:06:52,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:06:52,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:06:52,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:06:52,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:06:52,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:06:52,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:06:52,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:06:52,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 30 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:06:52,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,722 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:06:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 02:06:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-07-29 02:06:52,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:06:52,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:06:52,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-29 02:06:52,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:06:52,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. cyclomatic complexity: 7 [2020-07-29 02:06:52,732 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:06:52,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-07-29 02:06:52,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:06:52,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:06:52,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:06:52,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:06:52,738 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:06:52,739 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:06:52,739 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:06:52,739 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:06:52,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 02:06:52,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:06:52,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:06:52,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:06:52 BoogieIcfgContainer [2020-07-29 02:06:52,748 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:06:52,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:06:52,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:06:52,749 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:06:52,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:06:50" (3/4) ... [2020-07-29 02:06:52,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:06:52,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:06:52,756 INFO L168 Benchmark]: Toolchain (without parser) took 3381.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 961.6 MB in the beginning and 783.6 MB in the end (delta: 178.0 MB). Peak memory consumption was 276.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:52,756 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:06:52,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.36 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:52,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:52,759 INFO L168 Benchmark]: Boogie Preprocessor took 24.11 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 02:06:52,760 INFO L168 Benchmark]: RCFGBuilder took 302.87 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:52,761 INFO L168 Benchmark]: BuchiAutomizer took 2623.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 783.6 MB in the end (delta: 283.9 MB). Peak memory consumption was 283.9 MB. Max. memory is 11.5 GB. [2020-07-29 02:06:52,761 INFO L168 Benchmark]: Witness Printer took 5.25 ms. Allocated memory is still 1.1 GB. Free memory is still 783.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:06:52,766 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 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.36 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.11 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. * RCFGBuilder took 302.87 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2623.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 783.6 MB in the end (delta: 283.9 MB). Peak memory consumption was 283.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.25 ms. Allocated memory is still 1.1 GB. Free memory is still 783.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 4095 * unknown-#length-unknown[A] + -8 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. 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: 4 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital144 mio100 ax100 hnf100 lsp95 ukn68 mio100 lsp71 div100 bol100 ite100 ukn100 eq168 hnf65 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms 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...