./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/recursive/Addition01-2.c -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 0c2780d79847d31970febd5cb46fb7efe933c8ec ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 05:42:55,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 05:42:55,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 05:42:55,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 05:42:55,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 05:42:55,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 05:42:55,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 05:42:55,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 05:42:55,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 05:42:55,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 05:42:55,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 05:42:55,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 05:42:55,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 05:42:55,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 05:42:55,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 05:42:55,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 05:42:55,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 05:42:55,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 05:42:55,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 05:42:55,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 05:42:55,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 05:42:55,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 05:42:55,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 05:42:55,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 05:42:55,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 05:42:55,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 05:42:55,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 05:42:55,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 05:42:55,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 05:42:55,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 05:42:55,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 05:42:55,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 05:42:55,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 05:42:55,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 05:42:55,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 05:42:55,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 05:42:55,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 05:42:55,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 05:42:55,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 05:42:55,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 05:42:55,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 05:42:55,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 05:42:55,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 05:42:55,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 05:42:55,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 05:42:55,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 05:42:55,733 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 05:42:55,733 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 05:42:55,733 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 05:42:55,734 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 05:42:55,734 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 05:42:55,734 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 05:42:55,735 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 05:42:55,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 05:42:55,735 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 05:42:55,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 05:42:55,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 05:42:55,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 05:42:55,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 05:42:55,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 05:42:55,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 05:42:55,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 05:42:55,738 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 05:42:55,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 05:42:55,739 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 05:42:55,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 05:42:55,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 05:42:55,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 05:42:55,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 05:42:55,740 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 05:42:55,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 05:42:55,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 05:42:55,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 05:42:55,742 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 05:42:55,744 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 05:42:55,745 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2780d79847d31970febd5cb46fb7efe933c8ec [2020-10-26 05:42:56,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 05:42:56,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 05:42:56,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 05:42:56,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 05:42:56,406 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 05:42:56,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition01-2.c [2020-10-26 05:42:56,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494e8d5f0/6bb979ce900749969ee740f8d35ded99/FLAG318959c0f [2020-10-26 05:42:57,217 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 05:42:57,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c [2020-10-26 05:42:57,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494e8d5f0/6bb979ce900749969ee740f8d35ded99/FLAG318959c0f [2020-10-26 05:42:57,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494e8d5f0/6bb979ce900749969ee740f8d35ded99 [2020-10-26 05:42:57,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 05:42:57,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 05:42:57,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 05:42:57,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 05:42:57,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 05:42:57,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:42:57" (1/1) ... [2020-10-26 05:42:57,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44303044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:57, skipping insertion in model container [2020-10-26 05:42:57,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:42:57" (1/1) ... [2020-10-26 05:42:57,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 05:42:57,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 05:42:57,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:42:57,969 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 05:42:57,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:42:58,011 INFO L208 MainTranslator]: Completed translation [2020-10-26 05:42:58,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58 WrapperNode [2020-10-26 05:42:58,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 05:42:58,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 05:42:58,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 05:42:58,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 05:42:58,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 05:42:58,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 05:42:58,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 05:42:58,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 05:42:58,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (1/1) ... [2020-10-26 05:42:58,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 05:42:58,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 05:42:58,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 05:42:58,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 05:42:58,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (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 [2020-10-26 05:42:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 05:42:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 05:42:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 05:42:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 05:42:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-10-26 05:42:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-10-26 05:42:58,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 05:42:58,494 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-26 05:42:58,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:42:58 BoogieIcfgContainer [2020-10-26 05:42:58,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 05:42:58,499 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 05:42:58,500 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 05:42:58,506 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 05:42:58,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:42:58,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 05:42:57" (1/3) ... [2020-10-26 05:42:58,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6769c11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:42:58, skipping insertion in model container [2020-10-26 05:42:58,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:42:58,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:42:58" (2/3) ... [2020-10-26 05:42:58,511 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6769c11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:42:58, skipping insertion in model container [2020-10-26 05:42:58,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:42:58,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:42:58" (3/3) ... [2020-10-26 05:42:58,515 INFO L373 chiAutomizerObserver]: Analyzing ICFG Addition01-2.c [2020-10-26 05:42:58,594 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 05:42:58,594 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 05:42:58,595 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 05:42:58,595 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 05:42:58,595 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 05:42:58,595 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 05:42:58,595 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 05:42:58,595 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 05:42:58,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2020-10-26 05:42:58,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-26 05:42:58,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:42:58,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:42:58,662 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 05:42:58,663 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 05:42:58,663 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 05:42:58,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2020-10-26 05:42:58,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-26 05:42:58,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:42:58,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:42:58,669 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 05:42:58,669 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 05:42:58,679 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 8#L30true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 22#L36true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 10#L41true call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 12#additionENTRYtrue [2020-10-26 05:42:58,680 INFO L796 eck$LassoCheckResult]: Loop: 12#additionENTRYtrue ~m := #in~m;~n := #in~n; 9#L16true assume !(0 == ~n); 4#L19true assume ~n > 0; 3#L20true call #t~ret7 := addition(1 + ~m, ~n - 1);< 12#additionENTRYtrue [2020-10-26 05:42:58,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:42:58,690 INFO L82 PathProgramCache]: Analyzing trace with hash 28695877, now seen corresponding path program 1 times [2020-10-26 05:42:58,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:42:58,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116801396] [2020-10-26 05:42:58,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:42:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:42:58,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:42:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:42:58,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:42:58,944 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:42:58,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:42:58,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1758770, now seen corresponding path program 1 times [2020-10-26 05:42:58,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:42:58,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997569090] [2020-10-26 05:42:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:42:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:42:58,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:42:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:42:58,994 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:42:58,999 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:42:59,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:42:59,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1297641846, now seen corresponding path program 1 times [2020-10-26 05:42:59,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:42:59,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701219415] [2020-10-26 05:42:59,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:42:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:42:59,051 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:42:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:42:59,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:42:59,119 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:42:59,316 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-10-26 05:42:59,483 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:42:59,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:42:59,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:42:59,485 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:42:59,486 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 05:42:59,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:42:59,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:42:59,487 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:42:59,487 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2020-10-26 05:42:59,487 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:42:59,487 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:42:59,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:42:59,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:42:59,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:42:59,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:42:59,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:42:59,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:42:59,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:42:59,670 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:42:59,672 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) [2020-10-26 05:42:59,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:42:59,687 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 [2020-10-26 05:42:59,705 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:42:59,707 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=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) [2020-10-26 05:42:59,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:42:59,768 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 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) [2020-10-26 05:42:59,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:42:59,832 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:42:59,858 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:42:59,858 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=-1}, {addition_#in~m=-1}, {addition_#in~m=3}] Lambdas: [1, 4, 1] Nus: [0, 1] 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) [2020-10-26 05:42:59,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:42:59,908 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:42:59,916 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:42:59,916 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret8=0} Honda state: {addition_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-10-26 05:42:59,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:42:59,967 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:42:59,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:42:59,974 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2020-10-26 05:43:00,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:43:00,031 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:43:00,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:43:00,094 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,202 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 05:43:00,205 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:43:00,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:43:00,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:43:00,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:43:00,205 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 05:43:00,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,206 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:43:00,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:43:00,206 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2020-10-26 05:43:00,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:43:00,207 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:43:00,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:00,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:00,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:00,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:00,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:00,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:00,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:00,348 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:43:00,357 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:43:00,369 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 [2020-10-26 05:43:00,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:00,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:00,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:00,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:00,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:00,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:00,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,419 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 [2020-10-26 05:43:00,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:00,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:00,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:00,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:00,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:00,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:00,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:43:00,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,474 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 [2020-10-26 05:43:00,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:00,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:00,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:00,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:00,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:00,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:00,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:43:00,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:43:00,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:00,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:00,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:00,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:00,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:00,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:00,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:43:00,538 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,576 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 [2020-10-26 05:43:00,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:00,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:00,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:00,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:00,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:00,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:00,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:43:00,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,623 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 [2020-10-26 05:43:00,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:00,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:00,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:00,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:00,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:00,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:00,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:43:00,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,696 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 [2020-10-26 05:43:00,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:00,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:00,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:00,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:00,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:00,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:00,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:43:00,704 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 05:43:00,710 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 05:43:00,711 INFO L444 ModelExtractionUtils]: 0 out of 3 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:43:00,724 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 05:43:00,725 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 05:43:00,725 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 05:43:00,727 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:00,773 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 05:43:00,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:43:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:43:00,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 05:43:00,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:43:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:43:00,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-26 05:43:00,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:43:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:43:00,951 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-26 05:43:00,953 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states. Second operand 4 states. [2020-10-26 05:43:01,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states.. Second operand 4 states. Result 55 states and 74 transitions. Complement of second has 12 states. [2020-10-26 05:43:01,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 05:43:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 05:43:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2020-10-26 05:43:01,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-26 05:43:01,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:43:01,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-26 05:43:01,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:43:01,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2020-10-26 05:43:01,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:43:01,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2020-10-26 05:43:01,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-26 05:43:01,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 27 states and 30 transitions. [2020-10-26 05:43:01,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-26 05:43:01,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-10-26 05:43:01,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2020-10-26 05:43:01,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 05:43:01,219 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2020-10-26 05:43:01,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2020-10-26 05:43:01,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2020-10-26 05:43:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-26 05:43:01,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-10-26 05:43:01,276 INFO L714 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-26 05:43:01,276 INFO L594 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-26 05:43:01,277 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 05:43:01,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2020-10-26 05:43:01,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-26 05:43:01,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:43:01,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:43:01,279 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:43:01,280 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 05:43:01,280 INFO L794 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 139#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 140#L30 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 154#L36 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 146#L41 call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 147#additionENTRY ~m := #in~m;~n := #in~n; 149#L16 assume !(0 == ~n); 151#L19 assume !(~n > 0); 152#L22 [2020-10-26 05:43:01,281 INFO L796 eck$LassoCheckResult]: Loop: 152#L22 assume ~n < 0; 142#L23 call #t~ret8 := addition(~m - 1, 1 + ~n);< 143#additionENTRY ~m := #in~m;~n := #in~n; 156#L16 assume !(0 == ~n); 155#L19 assume !(~n > 0); 152#L22 [2020-10-26 05:43:01,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:43:01,282 INFO L82 PathProgramCache]: Analyzing trace with hash 180406748, now seen corresponding path program 1 times [2020-10-26 05:43:01,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:43:01,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163581131] [2020-10-26 05:43:01,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:43:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:43:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:43:01,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163581131] [2020-10-26 05:43:01,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:43:01,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:43:01,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953285151] [2020-10-26 05:43:01,408 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:43:01,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:43:01,410 INFO L82 PathProgramCache]: Analyzing trace with hash 67056695, now seen corresponding path program 1 times [2020-10-26 05:43:01,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:43:01,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178896125] [2020-10-26 05:43:01,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:43:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:43:01,418 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:43:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:43:01,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:43:01,427 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:43:01,550 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:43:01,550 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:43:01,550 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:43:01,550 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:43:01,551 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 05:43:01,551 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:01,551 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:43:01,551 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:43:01,551 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2020-10-26 05:43:01,551 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:43:01,551 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:43:01,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:01,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:01,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:01,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:01,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:01,661 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:43:01,662 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:01,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:43:01,667 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:43:01,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:43:01,729 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:01,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:43:01,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-2, addition_~m=-2} Honda state: {addition_#in~m=-2, addition_~m=-2} Generalized eigenvectors: [{addition_#in~m=-2, addition_~m=-2}, {addition_#in~m=1, addition_~m=1}, {addition_#in~m=0, addition_~m=0}] Lambdas: [1, 1, 15] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:01,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:43:01,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 05:43:01,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:43:01,961 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:01,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:43:01,997 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:02,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:43:02,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 05:43:14,087 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-10-26 05:43:14,094 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:43:14,094 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:43:14,094 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:43:14,094 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:43:14,094 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 05:43:14,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:14,094 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:43:14,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:43:14,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2020-10-26 05:43:14,095 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:43:14,095 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:43:14,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:14,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:14,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:14,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:14,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:43:14,215 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:43:14,215 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:43:14,226 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 [2020-10-26 05:43:14,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:14,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:14,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:14,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:14,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:14,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:14,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:14,232 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 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:14,263 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 [2020-10-26 05:43:14,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:14,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:14,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:14,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:14,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:14,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:14,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:43:14,272 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:43:14,319 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 [2020-10-26 05:43:14,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:43:14,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:43:14,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:43:14,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:43:14,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:43:14,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:43:14,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:14,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 05:43:14,343 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 05:43:14,344 INFO L444 ModelExtractionUtils]: 1 out of 4 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:43:14,350 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 05:43:14,350 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 05:43:14,350 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 05:43:14,351 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:43:14,391 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 05:43:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:43:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:43:14,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 05:43:14,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:43:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:43:14,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-26 05:43:14,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:43:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:43:14,682 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-10-26 05:43:14,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand 5 states. [2020-10-26 05:43:14,753 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 32 states and 37 transitions. Complement of second has 13 states. [2020-10-26 05:43:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-26 05:43:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 05:43:14,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-26 05:43:14,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2020-10-26 05:43:14,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:43:14,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2020-10-26 05:43:14,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:43:14,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2020-10-26 05:43:14,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:43:14,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2020-10-26 05:43:14,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-26 05:43:14,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2020-10-26 05:43:14,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-10-26 05:43:14,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-26 05:43:14,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2020-10-26 05:43:14,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 05:43:14,773 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-26 05:43:14,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2020-10-26 05:43:14,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2020-10-26 05:43:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-26 05:43:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-26 05:43:14,783 INFO L714 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-26 05:43:14,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:43:14,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 05:43:14,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-26 05:43:14,793 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 6 states. [2020-10-26 05:43:14,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:43:14,894 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-10-26 05:43:14,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 05:43:14,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2020-10-26 05:43:14,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:43:14,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-10-26 05:43:14,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:43:14,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:43:14,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:43:14,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:43:14,896 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:43:14,896 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:43:14,896 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:43:14,897 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 05:43:14,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 05:43:14,897 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:43:14,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 05:43:14,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 05:43:14 BoogieIcfgContainer [2020-10-26 05:43:14,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 05:43:14,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 05:43:14,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 05:43:14,917 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 05:43:14,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:42:58" (3/4) ... [2020-10-26 05:43:14,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 05:43:14,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 05:43:14,929 INFO L168 Benchmark]: Toolchain (without parser) took 17317.91 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 24.2 MB in the beginning and 32.6 MB in the end (delta: -8.5 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-10-26 05:43:14,939 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.1 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:43:14,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.37 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 25.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 05:43:14,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.40 ms. Allocated memory is still 46.1 MB. Free memory was 25.5 MB in the beginning and 24.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:43:14,941 INFO L168 Benchmark]: Boogie Preprocessor took 30.85 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 23.3 MB in the end (delta: 898.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:43:14,942 INFO L168 Benchmark]: RCFGBuilder took 401.42 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 22.8 MB in the end (delta: 371.5 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-26 05:43:14,946 INFO L168 Benchmark]: BuchiAutomizer took 16416.66 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.6 MB in the beginning and 33.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-10-26 05:43:14,947 INFO L168 Benchmark]: Witness Printer took 8.52 ms. Allocated memory is still 69.2 MB. Free memory is still 32.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:43:14,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.1 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.37 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 25.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.40 ms. Allocated memory is still 46.1 MB. Free memory was 25.5 MB in the beginning and 24.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.85 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 23.3 MB in the end (delta: 898.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 401.42 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 22.8 MB in the end (delta: 371.5 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16416.66 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.6 MB in the beginning and 33.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Witness Printer took 8.52 ms. Allocated memory is still 69.2 MB. Free memory is still 32.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 15.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30 SDtfs, 41 SDslu, 13 SDs, 0 SdLazy, 65 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp87 dnf100 smp100 tf110 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...