./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/for_bounded_loop1.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/loops/for_bounded_loop1.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 108d15887a93306fe736fe6c2e7f14ff3dbea99b .............................................................................................................................................................................................................................................................................................................................................................................. 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 04:46:31,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:46:31,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:46:31,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:46:31,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:46:31,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:46:31,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:46:31,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:46:31,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:46:31,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:46:31,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:46:31,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:46:31,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:46:31,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:46:31,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:46:31,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:46:31,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:46:31,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:46:31,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:46:31,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:46:31,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:46:31,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:46:31,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:46:31,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:46:31,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:46:31,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:46:31,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:46:31,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:46:31,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:46:31,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:46:31,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:46:31,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:46:31,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:46:31,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:46:31,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:46:31,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:46:31,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:46:31,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:46:31,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:46:31,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:46:31,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:46:31,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:46:31,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:46:31,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:46:31,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:46:31,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:46:31,756 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:46:31,757 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:46:31,757 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:46:31,757 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:46:31,757 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:46:31,757 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:46:31,758 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:46:31,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:46:31,758 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:46:31,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:46:31,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:46:31,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:46:31,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:46:31,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:46:31,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:46:31,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:46:31,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:46:31,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:46:31,760 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:46:31,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:46:31,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:46:31,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:46:31,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:46:31,761 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:46:31,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:46:31,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:46:31,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:46:31,762 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:46:31,763 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:46:31,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 108d15887a93306fe736fe6c2e7f14ff3dbea99b [2020-10-26 04:46:32,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:46:32,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:46:32,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:46:32,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:46:32,254 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:46:32,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/for_bounded_loop1.c [2020-10-26 04:46:32,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5b96b8b/640e8189e4d04ca1a15264c6696a10d0/FLAG2f5d40860 [2020-10-26 04:46:33,043 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:46:33,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/for_bounded_loop1.c [2020-10-26 04:46:33,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5b96b8b/640e8189e4d04ca1a15264c6696a10d0/FLAG2f5d40860 [2020-10-26 04:46:33,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5b96b8b/640e8189e4d04ca1a15264c6696a10d0 [2020-10-26 04:46:33,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:46:33,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:46:33,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:46:33,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:46:33,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:46:33,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ecac131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33, skipping insertion in model container [2020-10-26 04:46:33,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:46:33,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:46:33,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:46:33,658 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:46:33,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:46:33,695 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:46:33,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33 WrapperNode [2020-10-26 04:46:33,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:46:33,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:46:33,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:46:33,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:46:33,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:46:33,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:46:33,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:46:33,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:46:33,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (1/1) ... [2020-10-26 04:46:33,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:46:33,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:46:33,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:46:33,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:46:33,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (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 04:46:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:46:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:46:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:46:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:46:34,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:46:34,153 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-26 04:46:34,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:46:34 BoogieIcfgContainer [2020-10-26 04:46:34,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:46:34,156 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:46:34,156 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:46:34,160 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:46:34,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:46:34,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:46:33" (1/3) ... [2020-10-26 04:46:34,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ec5f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:46:34, skipping insertion in model container [2020-10-26 04:46:34,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:46:34,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:46:33" (2/3) ... [2020-10-26 04:46:34,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ec5f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:46:34, skipping insertion in model container [2020-10-26 04:46:34,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:46:34,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:46:34" (3/3) ... [2020-10-26 04:46:34,166 INFO L373 chiAutomizerObserver]: Analyzing ICFG for_bounded_loop1.c [2020-10-26 04:46:34,235 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:46:34,235 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:46:34,235 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:46:34,235 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:46:34,236 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:46:34,236 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:46:34,236 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:46:34,236 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:46:34,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-10-26 04:46:34,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-10-26 04:46:34,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:46:34,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:46:34,309 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:46:34,309 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:46:34,310 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:46:34,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-10-26 04:46:34,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-10-26 04:46:34,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:46:34,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:46:34,324 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:46:34,324 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:46:34,334 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(20);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 10#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_~i~0, main_~x~0, main_~y~0, main_~n~0;main_~i~0 := 0;main_~x~0 := 0;main_~y~0 := 0;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 13#L21true assume !!(main_~n~0 > 0);main_~i~0 := 0; 9#L22-2true [2020-10-26 04:46:34,334 INFO L796 eck$LassoCheckResult]: Loop: 9#L22-2true assume !!(main_~i~0 < main_~n~0);main_~x~0 := main_~x~0 - main_~y~0;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L10true assume !(0 == __VERIFIER_assert_~cond); 6#L10-2true main_~y~0 := main_#t~nondet9;havoc main_#t~nondet9; 4#L27true assume !!(0 != main_~y~0);main_~x~0 := main_~x~0 + main_~y~0;__VERIFIER_assert_#in~cond := (if 0 != main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 5#L10-3true assume !(0 == __VERIFIER_assert_~cond); 3#L10-5true main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 9#L22-2true [2020-10-26 04:46:34,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:46:34,342 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-26 04:46:34,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:46:34,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824811444] [2020-10-26 04:46:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:46:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:46:34,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:46:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:46:34,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:46:34,518 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:46:34,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:46:34,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1339941875, now seen corresponding path program 1 times [2020-10-26 04:46:34,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:46:34,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617691186] [2020-10-26 04:46:34,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:46:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:46:34,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:46:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:46:34,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:46:34,569 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:46:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:46:34,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1364136534, now seen corresponding path program 1 times [2020-10-26 04:46:34,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:46:34,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27075060] [2020-10-26 04:46:34,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:46:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:46:34,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:46:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:46:34,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:46:34,641 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:46:34,821 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-26 04:46:34,865 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-10-26 04:46:34,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-26 04:46:35,023 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2020-10-26 04:46:35,037 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:46:35,038 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:46:35,038 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:46:35,039 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:46:35,039 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:46:35,039 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:46:35,039 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:46:35,040 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:46:35,040 INFO L133 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2020-10-26 04:46:35,040 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:46:35,041 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:46:35,067 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 04:46:35,091 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 04:46:35,100 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 04:46:35,115 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 04:46:35,264 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:46:35,265 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:46:35,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:46:35,288 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-26 04:46:35,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:46:35,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:46:35,458 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:46:35,463 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:46:35,464 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:46:35,464 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:46:35,464 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:46:35,464 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:46:35,464 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:46:35,464 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:46:35,465 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:46:35,465 INFO L133 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1.c_Iteration1_Loop [2020-10-26 04:46:35,465 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:46:35,465 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:46:35,471 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 04:46:35,486 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 04:46:35,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:46:35,497 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 04:46:35,631 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:46:35,638 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:46:35,647 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 04:46:35,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:46:35,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:46:35,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:46:35,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:46:35,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:46:35,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:46:35,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:46:35,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:46:35,686 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-26 04:46:35,686 INFO L444 ModelExtractionUtils]: 0 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:46:35,696 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:46:35,696 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:46:35,698 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:46:35,698 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:46:35,742 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:46:35,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:46:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:46:35,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:46:35,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:46:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:46:35,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:46:35,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:46:35,829 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 04:46:35,849 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:46:35,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 3 states. [2020-10-26 04:46:35,909 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 3 states. Result 57 states and 70 transitions. Complement of second has 7 states. [2020-10-26 04:46:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:46:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:46:35,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2020-10-26 04:46:35,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-26 04:46:35,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:46:35,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 9 letters. Loop has 6 letters. [2020-10-26 04:46:35,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:46:35,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 3 letters. Loop has 12 letters. [2020-10-26 04:46:35,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:46:35,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 70 transitions. [2020-10-26 04:46:35,926 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:46:35,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 0 states and 0 transitions. [2020-10-26 04:46:35,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:46:35,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:46:35,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:46:35,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:46:35,934 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:46:35,934 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:46:35,934 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:46:35,935 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:46:35,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:46:35,935 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:46:35,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:46:35,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:46:35 BoogieIcfgContainer [2020-10-26 04:46:35,944 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:46:35,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:46:35,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:46:35,945 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:46:35,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:46:34" (3/4) ... [2020-10-26 04:46:35,952 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:46:35,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:46:35,955 INFO L168 Benchmark]: Toolchain (without parser) took 2580.20 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.6 MB in the beginning and 25.3 MB in the end (delta: 349.5 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:46:35,956 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 31.0 MB in the beginning and 30.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:46:35,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.87 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 28.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:46:35,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.42 ms. Allocated memory is still 48.2 MB. Free memory was 28.9 MB in the beginning and 27.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:46:35,959 INFO L168 Benchmark]: Boogie Preprocessor took 23.06 ms. Allocated memory is still 48.2 MB. Free memory was 27.4 MB in the beginning and 26.5 MB in the end (delta: 944.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:46:35,960 INFO L168 Benchmark]: RCFGBuilder took 392.37 ms. Allocated memory is still 48.2 MB. Free memory was 26.3 MB in the beginning and 25.8 MB in the end (delta: 570.1 kB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:46:35,962 INFO L168 Benchmark]: BuchiAutomizer took 1787.94 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.8 MB in the beginning and 25.7 MB in the end (delta: 91.2 kB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:46:35,962 INFO L168 Benchmark]: Witness Printer took 7.82 ms. Allocated memory is still 58.7 MB. Free memory was 25.7 MB in the beginning and 25.3 MB in the end (delta: 391.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:46:35,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 48.2 MB. Free memory was 31.0 MB in the beginning and 30.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 315.87 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 28.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.42 ms. Allocated memory is still 48.2 MB. Free memory was 28.9 MB in the beginning and 27.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.06 ms. Allocated memory is still 48.2 MB. Free memory was 27.4 MB in the beginning and 26.5 MB in the end (delta: 944.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 392.37 ms. Allocated memory is still 48.2 MB. Free memory was 26.3 MB in the beginning and 25.8 MB in the end (delta: 570.1 kB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1787.94 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.8 MB in the beginning and 25.7 MB in the end (delta: 91.2 kB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Witness Printer took 7.82 ms. Allocated memory is still 58.7 MB. Free memory was 25.7 MB in the beginning and 25.3 MB in the end (delta: 391.4 kB). 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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: 20 SDtfs, 20 SDslu, 19 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital41 mio100 ax100 hnf80 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq205 hnf92 smp100 dnf177 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 58ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...