./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/id_trans.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-invgen/id_trans.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 9640252219dbe99a02ddc5a359ea6c8aea25fb45 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:07:48,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:07:48,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:07:49,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:07:49,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:07:49,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:07:49,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:07:49,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:07:49,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:07:49,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:07:49,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:07:49,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:07:49,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:07:49,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:07:49,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:07:49,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:07:49,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:07:49,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:07:49,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:07:49,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:07:49,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:07:49,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:07:49,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:07:49,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:07:49,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:07:49,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:07:49,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:07:49,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:07:49,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:07:49,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:07:49,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:07:49,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:07:49,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:07:49,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:07:49,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:07:49,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:07:49,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:07:49,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:07:49,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:07:49,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:07:49,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:07:49,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:07:49,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:07:49,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:07:49,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:07:49,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:07:49,101 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:07:49,102 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:07:49,102 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:07:49,102 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:07:49,103 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:07:49,104 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:07:49,104 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:07:49,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:07:49,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:07:49,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:07:49,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:07:49,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:07:49,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:07:49,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:07:49,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:07:49,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:07:49,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:07:49,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:07:49,108 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:07:49,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:07:49,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:07:49,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:07:49,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:07:49,110 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:07:49,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:07:49,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:07:49,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:07:49,112 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:07:49,114 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:07:49,114 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 -> 9640252219dbe99a02ddc5a359ea6c8aea25fb45 [2020-07-29 02:07:49,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:07:49,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:07:49,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:07:49,472 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:07:49,472 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:07:49,473 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/id_trans.i [2020-07-29 02:07:49,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da9a68d9/2bbaaf1e4f4747e0a7659220f20504ab/FLAGe21fb2e5a [2020-07-29 02:07:49,925 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:07:49,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/id_trans.i [2020-07-29 02:07:49,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da9a68d9/2bbaaf1e4f4747e0a7659220f20504ab/FLAGe21fb2e5a [2020-07-29 02:07:50,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da9a68d9/2bbaaf1e4f4747e0a7659220f20504ab [2020-07-29 02:07:50,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:07:50,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:07:50,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:07:50,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:07:50,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:07:50,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7de9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50, skipping insertion in model container [2020-07-29 02:07:50,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:07:50,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:07:50,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:07:50,513 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:07:50,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:07:50,549 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:07:50,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50 WrapperNode [2020-07-29 02:07:50,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:07:50,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:07:50,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:07:50,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:07:50,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:07:50,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:07:50,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:07:50,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:07:50,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (1/1) ... [2020-07-29 02:07:50,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:07:50,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:07:50,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:07:50,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:07:50,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (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 02:07:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:07:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:07:50,997 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:07:50,997 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-07-29 02:07:51,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:07:51 BoogieIcfgContainer [2020-07-29 02:07:51,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:07:51,002 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:07:51,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:07:51,005 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:07:51,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:07:51,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:07:50" (1/3) ... [2020-07-29 02:07:51,008 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f25228d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:07:51, skipping insertion in model container [2020-07-29 02:07:51,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:07:51,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:07:50" (2/3) ... [2020-07-29 02:07:51,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f25228d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:07:51, skipping insertion in model container [2020-07-29 02:07:51,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:07:51,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:07:51" (3/3) ... [2020-07-29 02:07:51,011 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2020-07-29 02:07:51,071 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:07:51,071 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:07:51,072 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:07:51,072 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:07:51,072 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:07:51,072 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:07:51,073 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:07:51,073 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:07:51,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-07-29 02:07:51,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-07-29 02:07:51,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:07:51,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:07:51,161 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:07:51,161 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:07:51,161 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:07:51,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-07-29 02:07:51,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-07-29 02:07:51,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:07:51,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:07:51,170 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:07:51,170 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:07:51,176 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~idBitLength~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~material_length~0 := main_#t~nondet2;havoc main_#t~nondet2; 13#L19true assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 32 then 1 + main_~idBitLength~0 / 32 else main_~idBitLength~0 / 32));main_~j~0 := 0; 11#L20-2true [2020-07-29 02:07:51,177 INFO L796 eck$LassoCheckResult]: Loop: 11#L20-2true assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 8 then 1 + main_~idBitLength~0 / 8 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 9#L7true assume !(0 == __VERIFIER_assert_~cond); 4#L7-2true __VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 21#L7-3true assume !(0 == __VERIFIER_assert_~cond); 19#L7-5true __VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 17#L7-6true assume !(0 == __VERIFIER_assert_~cond); 15#L7-8true __VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 14#L7-9true assume !(0 == __VERIFIER_assert_~cond); 8#L7-11true main_#t~post3 := main_~j~0;main_~j~0 := 1 + main_#t~post3;havoc main_#t~post3; 11#L20-2true [2020-07-29 02:07:51,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:07:51,182 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2020-07-29 02:07:51,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:07:51,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582390602] [2020-07-29 02:07:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:07:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:07:51,261 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:07:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:07:51,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:07:51,284 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:07:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:07:51,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1041340230, now seen corresponding path program 1 times [2020-07-29 02:07:51,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:07:51,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001765146] [2020-07-29 02:07:51,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:07:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:07:51,333 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:07:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:07:51,372 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:07:51,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:07:51,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:07:51,383 INFO L82 PathProgramCache]: Analyzing trace with hash 603190901, now seen corresponding path program 1 times [2020-07-29 02:07:51,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:07:51,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210610894] [2020-07-29 02:07:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:07:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:07:51,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:07:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:07:51,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:07:51,468 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:07:51,631 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-07-29 02:07:51,734 INFO L342 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-29 02:07:51,734 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-29 02:07:51,753 INFO L342 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-29 02:07:51,753 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-29 02:07:51,865 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2020-07-29 02:07:51,883 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:07:51,884 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:07:51,884 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:07:51,884 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:07:51,885 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 02:07:51,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:07:51,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:07:51,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:07:51,886 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2020-07-29 02:07:51,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:07:51,887 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:07:51,918 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 02:07:51,944 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 02:07:51,956 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 02:07:52,149 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:07:52,150 INFO L404 LassoAnalysis]: Checking for nontermination... 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 02:07:52,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:07:52,167 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 02:07:52,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:07:52,238 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:07:52,369 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 02:07:52,372 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:07:52,372 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:07:52,372 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:07:52,373 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:07:52,373 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:07:52,373 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:07:52,373 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:07:52,373 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:07:52,373 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2020-07-29 02:07:52,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:07:52,374 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:07:52,386 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 02:07:52,396 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 02:07:52,415 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 02:07:52,613 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:07:52,619 INFO L489 LassoAnalysis]: Using template 'affine'. 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 02:07:52,627 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 02:07:52,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:07:52,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:07:52,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:07:52,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:07:52,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:07:52,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:07:52,635 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 02:07:52,639 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) [2020-07-29 02:07:52,676 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 02:07:52,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:07:52,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:07:52,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:07:52,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:07:52,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:07:52,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:07:52,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:07:52,687 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:07:52,698 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 02:07:52,699 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 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 02:07:52,704 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 02:07:52,704 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 02:07:52,704 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 02:07:52,705 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~material_length~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~material_length~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2020-07-29 02:07:52,741 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 02:07:52,746 INFO L393 LassoCheck]: Loop: "assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 8 then 1 + main_~idBitLength~0 / 8 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;" "assume !(0 == __VERIFIER_assert_~cond);" "__VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;" "assume !(0 == __VERIFIER_assert_~cond);" "__VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;" "assume !(0 == __VERIFIER_assert_~cond);" "__VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;" "assume !(0 == __VERIFIER_assert_~cond);" "main_#t~post3 := main_~j~0;main_~j~0 := 1 + main_#t~post3;havoc main_#t~post3;" [2020-07-29 02:07:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:07:52,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:07:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:07:52,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 02:07:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:07:52,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:07:52,809 INFO L280 TraceCheckUtils]: 0: Hoare triple {29#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~post3, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~idBitLength~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~material_length~0 := main_#t~nondet2;havoc main_#t~nondet2; {29#unseeded} is VALID [2020-07-29 02:07:52,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {29#unseeded} assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 32 then 1 + main_~idBitLength~0 / 32 else main_~idBitLength~0 / 32));main_~j~0 := 0; {29#unseeded} is VALID [2020-07-29 02:07:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:07:52,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 02:07:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:07:52,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:07:52,876 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#(>= oldRank0 (+ ULTIMATE.start_main_~material_length~0 (* (- 1) ULTIMATE.start_main_~j~0)))} assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 8 then 1 + main_~idBitLength~0 / 8 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,878 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} assume !(0 == __VERIFIER_assert_~cond); {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,879 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} __VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,880 INFO L280 TraceCheckUtils]: 3: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} assume !(0 == __VERIFIER_assert_~cond); {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,881 INFO L280 TraceCheckUtils]: 4: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} __VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,882 INFO L280 TraceCheckUtils]: 5: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} assume !(0 == __VERIFIER_assert_~cond); {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,883 INFO L280 TraceCheckUtils]: 6: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} __VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,884 INFO L280 TraceCheckUtils]: 7: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} assume !(0 == __VERIFIER_assert_~cond); {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} is VALID [2020-07-29 02:07:52,886 INFO L280 TraceCheckUtils]: 8: Hoare triple {50#(and (<= ULTIMATE.start_main_~material_length~0 (+ oldRank0 ULTIMATE.start_main_~j~0)) (< ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~material_length~0))} main_#t~post3 := main_~j~0;main_~j~0 := 1 + main_#t~post3;havoc main_#t~post3; {42#(or unseeded (and (>= oldRank0 0) (> oldRank0 (+ ULTIMATE.start_main_~material_length~0 (* (- 1) ULTIMATE.start_main_~j~0)))))} is VALID [2020-07-29 02:07:52,886 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 02:07:52,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:07:52,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:07:52,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:52,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:52,925 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 02:07:52,927 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2020-07-29 02:07:53,053 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 56 states and 70 transitions. Complement of second has 7 states. [2020-07-29 02:07:53,054 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 02:07:53,054 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:07:53,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-07-29 02:07:53,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-07-29 02:07:53,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:07:53,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:07:53,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 02:07:53,064 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:07:53,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:07:53,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:07:53,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 70 transitions. [2020-07-29 02:07:53,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:07:53,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:07:53,072 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 19 states. [2020-07-29 02:07:53,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-07-29 02:07:53,084 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 13 examples of accepted words. [2020-07-29 02:07:53,085 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 02:07:53,091 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:07:53,098 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:07:53,098 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 56 states and 70 transitions. cyclomatic complexity: 16 [2020-07-29 02:07:53,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 70 transitions. cyclomatic complexity: 16 [2020-07-29 02:07:53,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:07:53,099 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 02:07:53,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:53,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:53,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:53,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:07:53,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:07:53,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:07:53,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 56 letters. Loop has 56 letters. [2020-07-29 02:07:53,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 56 letters. Loop has 56 letters. [2020-07-29 02:07:53,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 56 letters. Loop has 56 letters. [2020-07-29 02:07:53,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 19 letters. Loop has 19 letters. [2020-07-29 02:07:53,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 19 letters. Loop has 19 letters. [2020-07-29 02:07:53,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 19 letters. Loop has 19 letters. [2020-07-29 02:07:53,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:07:53,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:07:53,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:07:53,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 4 letters. Loop has 9 letters. [2020-07-29 02:07:53,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 9 letters. [2020-07-29 02:07:53,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 4 letters. Loop has 9 letters. [2020-07-29 02:07:53,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:07:53,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:07:53,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:07:53,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 8 letters. Loop has 10 letters. [2020-07-29 02:07:53,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 10 letters. [2020-07-29 02:07:53,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 8 letters. Loop has 10 letters. [2020-07-29 02:07:53,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 10 letters. Loop has 9 letters. [2020-07-29 02:07:53,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 9 letters. [2020-07-29 02:07:53,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 10 letters. Loop has 9 letters. [2020-07-29 02:07:53,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 3 letters. Loop has 9 letters. [2020-07-29 02:07:53,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 9 letters. [2020-07-29 02:07:53,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 3 letters. Loop has 9 letters. [2020-07-29 02:07:53,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 6 letters. Loop has 10 letters. [2020-07-29 02:07:53,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 10 letters. [2020-07-29 02:07:53,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 6 letters. Loop has 10 letters. [2020-07-29 02:07:53,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:53,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:53,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:53,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 4 letters. Loop has 10 letters. [2020-07-29 02:07:53,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 10 letters. [2020-07-29 02:07:53,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 4 letters. Loop has 10 letters. [2020-07-29 02:07:53,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 02:07:53,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 02:07:53,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 9 letters. Loop has 9 letters. [2020-07-29 02:07:53,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 8 letters. Loop has 9 letters. [2020-07-29 02:07:53,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 9 letters. [2020-07-29 02:07:53,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 8 letters. Loop has 9 letters. [2020-07-29 02:07:53,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 7 letters. Loop has 9 letters. [2020-07-29 02:07:53,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 9 letters. [2020-07-29 02:07:53,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 7 letters. Loop has 9 letters. [2020-07-29 02:07:53,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 6 letters. Loop has 9 letters. [2020-07-29 02:07:53,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 9 letters. [2020-07-29 02:07:53,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 6 letters. Loop has 9 letters. [2020-07-29 02:07:53,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 5 letters. Loop has 9 letters. [2020-07-29 02:07:53,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 9 letters. [2020-07-29 02:07:53,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 5 letters. Loop has 9 letters. [2020-07-29 02:07:53,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:07:53,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:07:53,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:07:53,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:07:53,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:07:53,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 56 states and 70 transitions. cyclomatic complexity: 16 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:07:53,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,167 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:07:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 02:07:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2020-07-29 02:07:53,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 2 letters. Loop has 9 letters. [2020-07-29 02:07:53,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 11 letters. Loop has 9 letters. [2020-07-29 02:07:53,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 2 letters. Loop has 18 letters. [2020-07-29 02:07:53,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:07:53,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 70 transitions. cyclomatic complexity: 16 [2020-07-29 02:07:53,180 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:07:53,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 0 states and 0 transitions. [2020-07-29 02:07:53,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:07:53,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:07:53,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:07:53,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:07:53,186 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:07:53,186 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:07:53,186 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:07:53,186 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:07:53,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 02:07:53,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:07:53,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:07:53,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:07:53 BoogieIcfgContainer [2020-07-29 02:07:53,194 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:07:53,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:07:53,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:07:53,195 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:07:53,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:07:51" (3/4) ... [2020-07-29 02:07:53,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:07:53,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:07:53,202 INFO L168 Benchmark]: Toolchain (without parser) took 2898.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 960.2 MB in the beginning and 878.1 MB in the end (delta: 82.1 MB). Peak memory consumption was 204.3 MB. Max. memory is 11.5 GB. [2020-07-29 02:07:53,203 INFO L168 Benchmark]: CDTParser took 0.25 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 02:07:53,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:07:53,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.65 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:07:53,205 INFO L168 Benchmark]: Boogie Preprocessor took 102.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:07:53,206 INFO L168 Benchmark]: RCFGBuilder took 305.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-29 02:07:53,207 INFO L168 Benchmark]: BuchiAutomizer took 2192.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.1 MB in the end (delta: 207.3 MB). Peak memory consumption was 207.3 MB. Max. memory is 11.5 GB. [2020-07-29 02:07:53,207 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 1.2 GB. Free memory is still 878.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:07:53,211 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 0.25 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 244.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 41.65 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 305.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2192.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.1 MB in the end (delta: 207.3 MB). Peak memory consumption was 207.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.21 ms. Allocated memory is still 1.2 GB. Free memory is still 878.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 material_length + -1 * j and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 16 SDtfs, 24 SDslu, 14 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf48 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...