./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.05.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f61032228cbbddb57774f1eddb2895cade0e780 ............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:36:26,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:36:26,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:36:26,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:36:26,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:36:26,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:36:26,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:36:26,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:36:26,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:36:26,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:36:26,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:36:26,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:36:26,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:36:26,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:36:26,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:36:26,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:36:26,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:36:26,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:36:26,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:36:26,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:36:26,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:36:26,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:36:26,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:36:26,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:36:26,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:36:26,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:36:26,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:36:26,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:36:26,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:36:26,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:36:26,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:36:26,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:36:26,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:36:26,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:36:26,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:36:26,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:36:26,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:36:26,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:36:26,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:36:26,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:36:26,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:36:26,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:36:26,573 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:36:26,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:36:26,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:36:26,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:36:26,575 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:36:26,576 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:36:26,576 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:36:26,576 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:36:26,576 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:36:26,577 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:36:26,577 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:36:26,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:36:26,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:36:26,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:36:26,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:36:26,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:36:26,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:36:26,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:36:26,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:36:26,579 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:36:26,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:36:26,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:36:26,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:36:26,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:36:26,580 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:36:26,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:36:26,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:36:26,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:36:26,581 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:36:26,582 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:36:26,583 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f61032228cbbddb57774f1eddb2895cade0e780 [2020-10-20 06:36:26,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:36:26,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:36:26,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:36:26,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:36:26,784 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:36:26,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.05.c [2020-10-20 06:36:26,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3088a83/7a30447b2f084c9192d85f05751fd73f/FLAGd0f479516 [2020-10-20 06:36:27,313 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:36:27,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.05.c [2020-10-20 06:36:27,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3088a83/7a30447b2f084c9192d85f05751fd73f/FLAGd0f479516 [2020-10-20 06:36:27,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3088a83/7a30447b2f084c9192d85f05751fd73f [2020-10-20 06:36:27,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:36:27,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:36:27,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:27,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:36:27,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:36:27,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:27" (1/1) ... [2020-10-20 06:36:27,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cc601d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:27, skipping insertion in model container [2020-10-20 06:36:27,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:27" (1/1) ... [2020-10-20 06:36:27,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:36:27,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:36:27,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:27,974 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:36:27,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:28,005 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:36:28,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28 WrapperNode [2020-10-20 06:36:28,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:28,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:28,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:36:28,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:36:28,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:28,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:36:28,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:36:28,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:36:28,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (1/1) ... [2020-10-20 06:36:28,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:36:28,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:36:28,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:36:28,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:36:28,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (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 [2020-10-20 06:36:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:36:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:36:28,283 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:36:28,284 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:36:28,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:28 BoogieIcfgContainer [2020-10-20 06:36:28,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:36:28,287 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:36:28,287 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:36:28,301 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:36:28,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:28,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:36:27" (1/3) ... [2020-10-20 06:36:28,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f5e62f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:28, skipping insertion in model container [2020-10-20 06:36:28,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:28,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:28" (2/3) ... [2020-10-20 06:36:28,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f5e62f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:28, skipping insertion in model container [2020-10-20 06:36:28,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:28,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:28" (3/3) ... [2020-10-20 06:36:28,308 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.05.c [2020-10-20 06:36:28,374 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:36:28,374 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:36:28,374 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:36:28,374 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:36:28,374 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:36:28,375 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:36:28,375 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:36:28,376 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:36:28,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:36:28,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:28,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:28,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:28,431 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:36:28,431 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:28,431 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:36:28,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:36:28,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:28,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:28,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:28,433 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:36:28,433 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:28,442 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~tmp~0;havoc main_~x~0;havoc main_~tmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~tmp~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L9-2true [2020-10-20 06:36:28,443 INFO L796 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(((main_~x~0 > 0 && main_~tmp~0 < 1073741824) && -1073741824 < main_~tmp~0) && main_~x~0 == 2 * main_~tmp~0);main_~x~0 := main_~x~0 - 1;main_~tmp~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L9-2true [2020-10-20 06:36:28,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:28,450 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:36:28,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:28,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250910417] [2020-10-20 06:36:28,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:28,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:28,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:28,593 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:28,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:28,595 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-10-20 06:36:28,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:28,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193193275] [2020-10-20 06:36:28,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:28,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:28,643 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:28,645 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:28,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-20 06:36:28,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:28,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975213732] [2020-10-20 06:36:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:28,656 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:28,662 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:28,664 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:28,832 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:28,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:28,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:28,834 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:28,834 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:36:28,834 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:28,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:28,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:28,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2020-10-20 06:36:28,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:28,835 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:28,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:28,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:28,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:29,003 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:29,004 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) [2020-10-20 06:36:29,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:29,011 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 [2020-10-20 06:36:29,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:36:29,023 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:29,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:29,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:29,058 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:36:29,059 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:29,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:29,084 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-20 06:36:29,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:36:29,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:29,191 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:36:29,193 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:29,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:29,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:29,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:29,194 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:36:29,194 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:29,194 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:29,194 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:29,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2020-10-20 06:36:29,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:29,195 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:29,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:29,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:29,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:29,326 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:29,332 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 06:36:29,343 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 [2020-10-20 06:36:29,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:29,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:29,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:29,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:29,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:29,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:29,358 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) [2020-10-20 06:36:29,394 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 [2020-10-20 06:36:29,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:29,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:29,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:29,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:29,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:29,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:29,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:29,405 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:36:29,411 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:36:29,412 INFO L444 ModelExtractionUtils]: 2 out of 5 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:36:29,421 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:36:29,421 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:36:29,421 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:36:29,422 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:29,452 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:36:29,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:29,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:36:29,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:29,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:36:29,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:36:29,528 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 06:36:29,529 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2020-10-20 06:36:29,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2020-10-20 06:36:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:36:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 06:36:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-10-20 06:36:29,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2020-10-20 06:36:29,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:29,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-10-20 06:36:29,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:29,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-10-20 06:36:29,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:29,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2020-10-20 06:36:29,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:29,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-10-20 06:36:29,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:36:29,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:36:29,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:36:29,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:36:29,598 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:29,598 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:29,598 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:29,598 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:36:29,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:36:29,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:29,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:36:29,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:36:29 BoogieIcfgContainer [2020-10-20 06:36:29,611 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:36:29,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:36:29,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:36:29,614 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:36:29,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:28" (3/4) ... [2020-10-20 06:36:29,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:36:29,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:36:29,624 INFO L168 Benchmark]: Toolchain (without parser) took 1882.75 ms. Allocated memory was 42.5 MB in the beginning and 47.7 MB in the end (delta: 5.2 MB). Free memory was 20.6 MB in the beginning and 14.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:29,626 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 8.1 MB in the beginning and 8.1 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:36:29,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.29 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 19.6 MB in the beginning and 21.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:29,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 43.0 MB. Free memory was 21.4 MB in the beginning and 19.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:29,630 INFO L168 Benchmark]: Boogie Preprocessor took 22.99 ms. Allocated memory is still 43.0 MB. Free memory was 19.9 MB in the beginning and 18.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:29,633 INFO L168 Benchmark]: RCFGBuilder took 219.32 ms. Allocated memory is still 43.0 MB. Free memory was 18.6 MB in the beginning and 10.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:29,639 INFO L168 Benchmark]: BuchiAutomizer took 1324.60 ms. Allocated memory was 43.0 MB in the beginning and 47.7 MB in the end (delta: 4.7 MB). Free memory was 10.1 MB in the beginning and 15.2 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:36:29,640 INFO L168 Benchmark]: Witness Printer took 6.32 ms. Allocated memory is still 47.7 MB. Free memory was 15.2 MB in the beginning and 14.8 MB in the end (delta: 335.9 kB). Peak memory consumption was 335.9 kB. Max. memory is 14.3 GB. [2020-10-20 06:36:29,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 8.1 MB in the beginning and 8.1 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 261.29 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 19.6 MB in the beginning and 21.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 43.0 MB. Free memory was 21.4 MB in the beginning and 19.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 22.99 ms. Allocated memory is still 43.0 MB. Free memory was 19.9 MB in the beginning and 18.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 219.32 ms. Allocated memory is still 43.0 MB. Free memory was 18.6 MB in the beginning and 10.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1324.60 ms. Allocated memory was 43.0 MB in the beginning and 47.7 MB in the end (delta: 4.7 MB). Free memory was 10.1 MB in the beginning and 15.2 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 6.32 ms. Allocated memory is still 47.7 MB. Free memory was 15.2 MB in the beginning and 14.8 MB in the end (delta: 335.9 kB). Peak memory consumption was 335.9 kB. Max. memory is 14.3 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 x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf105 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...