./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum01_bug02.i --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/sum01_bug02.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67768b34e7b9299b4c0862a201d7fe793c7261b3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:47:41,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:47:41,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:47:41,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:47:41,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:47:41,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:47:41,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:47:41,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:47:41,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:47:41,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:47:41,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:47:41,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:47:41,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:47:41,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:47:41,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:47:41,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:47:41,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:47:41,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:47:41,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:47:41,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:47:41,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:47:41,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:47:41,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:47:41,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:47:41,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:47:41,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:47:41,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:47:41,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:47:41,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:47:41,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:47:41,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:47:41,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:47:41,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:47:41,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:47:41,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:47:41,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:47:41,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:47:41,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:47:41,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:47:41,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:47:41,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:47:41,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:47:41,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:47:41,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:47:41,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:47:41,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:47:41,402 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:47:41,402 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:47:41,402 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:47:41,403 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:47:41,403 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:47:41,403 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:47:41,404 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:47:41,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:47:41,405 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:47:41,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:47:41,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:47:41,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:47:41,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:47:41,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:47:41,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:47:41,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:47:41,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:47:41,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:47:41,408 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:47:41,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:47:41,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:47:41,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:47:41,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:47:41,409 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:47:41,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:47:41,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:47:41,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:47:41,411 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:47:41,412 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:47:41,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67768b34e7b9299b4c0862a201d7fe793c7261b3 [2020-10-26 04:47:41,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:47:41,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:47:41,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:47:41,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:47:41,860 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:47:41,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01_bug02.i [2020-10-26 04:47:41,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4bee680/c361e7e36fbd4d31ada09dee0df41170/FLAGbc6622796 [2020-10-26 04:47:42,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:47:42,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02.i [2020-10-26 04:47:42,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4bee680/c361e7e36fbd4d31ada09dee0df41170/FLAGbc6622796 [2020-10-26 04:47:42,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4bee680/c361e7e36fbd4d31ada09dee0df41170 [2020-10-26 04:47:42,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:47:42,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:47:42,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:47:42,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:47:42,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:47:42,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:47:42" (1/1) ... [2020-10-26 04:47:43,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed22f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:42, skipping insertion in model container [2020-10-26 04:47:43,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:47:42" (1/1) ... [2020-10-26 04:47:43,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:47:43,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:47:43,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:47:43,225 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:47:43,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:47:43,274 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:47:43,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43 WrapperNode [2020-10-26 04:47:43,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:47:43,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:47:43,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:47:43,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:47:43,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:47:43,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:47:43,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:47:43,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:47:43,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (1/1) ... [2020-10-26 04:47:43,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:47:43,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:47:43,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:47:43,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:47:43,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (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 04:47:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:47:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:47:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:47:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:47:43,749 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:47:43,749 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-26 04:47:43,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:47:43 BoogieIcfgContainer [2020-10-26 04:47:43,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:47:43,753 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:47:43,753 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:47:43,760 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:47:43,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:47:43,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:47:42" (1/3) ... [2020-10-26 04:47:43,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fffa01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:47:43, skipping insertion in model container [2020-10-26 04:47:43,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:47:43,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:47:43" (2/3) ... [2020-10-26 04:47:43,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fffa01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:47:43, skipping insertion in model container [2020-10-26 04:47:43,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:47:43,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:47:43" (3/3) ... [2020-10-26 04:47:43,770 INFO L373 chiAutomizerObserver]: Analyzing ICFG sum01_bug02.i [2020-10-26 04:47:43,879 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:47:43,880 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:47:43,880 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:47:43,880 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:47:43,881 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:47:43,881 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:47:43,881 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:47:43,881 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:47:43,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-26 04:47:43,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:47:43,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:47:43,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:47:43,944 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:47:43,944 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:47:43,945 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:47:43,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-26 04:47:43,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:47:43,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:47:43,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:47:43,948 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:47:43,948 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:47:43,956 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(14); 6#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post5, main_#t~post4, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet3 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet3 % 4294967296 % 4294967296 else main_#t~nondet3 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet3;main_~sn~0 := 0;main_~i~0 := 1; 8#L24-3true [2020-10-26 04:47:43,957 INFO L796 eck$LassoCheckResult]: Loop: 8#L24-3true assume !!(main_~i~0 <= main_~n~0); 16#L25true assume main_~i~0 < main_~j~0;main_~sn~0 := 2 + main_~sn~0; 12#L25-2true main_#t~post5 := main_~j~0;main_~j~0 := main_#t~post5 - 1;havoc main_#t~post5; 10#L24-2true main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4; 8#L24-3true [2020-10-26 04:47:43,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:43,965 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-26 04:47:43,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:47:43,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022429925] [2020-10-26 04:47:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:47:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:44,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:44,128 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:44,164 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:47:44,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:44,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1234470, now seen corresponding path program 1 times [2020-10-26 04:47:44,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:47:44,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666194588] [2020-10-26 04:47:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:47:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:44,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:44,206 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:44,213 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:47:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:44,218 INFO L82 PathProgramCache]: Analyzing trace with hash 889661672, now seen corresponding path program 1 times [2020-10-26 04:47:44,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:47:44,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919922704] [2020-10-26 04:47:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:47:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:44,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:44,306 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:44,311 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:47:44,384 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:47:44,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:47:44,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:47:44,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:47:44,386 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:47:44,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:44,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:47:44,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:47:44,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2020-10-26 04:47:44,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:47:44,387 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:47:44,410 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 04:47:44,423 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 04:47:44,439 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 04:47:44,443 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 04:47:44,518 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:47:44,519 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 04:47:44,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:47:44,531 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:47:44,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:47:44,581 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:44,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:47:44,610 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=1}, {ULTIMATE.start_main_~sn~0=3}, {ULTIMATE.start_main_~sn~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 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 04:47:44,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:47:44,651 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 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 04:47:44,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:47:44,699 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 04:47:44,897 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:47:44,900 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:47:44,900 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:47:44,900 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:47:44,900 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:47:44,900 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:47:44,900 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:44,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:47:44,901 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:47:44,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2020-10-26 04:47:44,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:47:44,902 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:47:44,905 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 04:47:44,910 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 04:47:44,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:47:44,934 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 04:47:44,991 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:47:44,996 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:45,009 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 04:47:45,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:47:45,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:47:45,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:47:45,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:47:45,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:47:45,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:47:45,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:47:45,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:45,055 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 04:47:45,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:47:45,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:47:45,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:47:45,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:47:45,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:47:45,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:47:45,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:47:45,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:47:45,085 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:47:45,085 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:47:45,101 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:47:45,101 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:47:45,101 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:47:45,102 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:45,134 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:47:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:47:45,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:47:45,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:47:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:47:45,220 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:47:45,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:47:45,323 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 04:47:45,342 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 04:47:45,344 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2020-10-26 04:47:45,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 39 states and 51 transitions. Complement of second has 7 states. [2020-10-26 04:47:45,439 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 04:47:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:47:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2020-10-26 04:47:45,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-26 04:47:45,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:47:45,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-26 04:47:45,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:47:45,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 8 letters. [2020-10-26 04:47:45,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:47:45,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 51 transitions. [2020-10-26 04:47:45,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:47:45,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 18 transitions. [2020-10-26 04:47:45,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-26 04:47:45,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-26 04:47:45,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2020-10-26 04:47:45,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:47:45,456 INFO L691 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2020-10-26 04:47:45,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2020-10-26 04:47:45,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2020-10-26 04:47:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-26 04:47:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2020-10-26 04:47:45,483 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-10-26 04:47:45,483 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-10-26 04:47:45,483 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:47:45,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2020-10-26 04:47:45,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-26 04:47:45,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:47:45,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:47:45,485 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-26 04:47:45,485 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:47:45,485 INFO L794 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(14); 99#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~post5, main_#t~post4, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet3 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet3 % 4294967296 % 4294967296 else main_#t~nondet3 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet3;main_~sn~0 := 0;main_~i~0 := 1; 100#L24-3 assume !!(main_~i~0 <= main_~n~0); 102#L25 [2020-10-26 04:47:45,486 INFO L796 eck$LassoCheckResult]: Loop: 102#L25 assume !(main_~i~0 < main_~j~0); 108#L25-2 main_#t~post5 := main_~j~0;main_~j~0 := main_#t~post5 - 1;havoc main_#t~post5; 106#L24-2 main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4; 101#L24-3 assume !!(main_~i~0 <= main_~n~0); 102#L25 [2020-10-26 04:47:45,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:45,486 INFO L82 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2020-10-26 04:47:45,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:47:45,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521279442] [2020-10-26 04:47:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:47:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:45,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:45,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:45,521 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:47:45,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:45,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1387322, now seen corresponding path program 1 times [2020-10-26 04:47:45,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:47:45,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512498742] [2020-10-26 04:47:45,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:47:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:45,527 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:47:45,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:47:45,531 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:47:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1809767648, now seen corresponding path program 1 times [2020-10-26 04:47:45,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:47:45,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486076183] [2020-10-26 04:47:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:47:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:47:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:47:45,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486076183] [2020-10-26 04:47:45,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:47:45,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:47:45,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105842414] [2020-10-26 04:47:45,624 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:47:45,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:47:45,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:47:45,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:47:45,625 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:47:45,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:45,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:47:45,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:47:45,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2020-10-26 04:47:45,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:47:45,626 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:47:45,627 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 04:47:45,639 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 04:47:45,642 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 04:47:45,682 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:47:45,682 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:45,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:47:45,689 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 04:47:45,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:47:45,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:47:46,018 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:47:46,020 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:47:46,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:47:46,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:47:46,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:47:46,021 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:47:46,021 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:46,021 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:47:46,021 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:47:46,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration2_Loop [2020-10-26 04:47:46,021 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:47:46,022 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:47:46,023 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 04:47:46,040 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 04:47:46,044 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 04:47:46,108 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:47:46,108 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-26 04:47:46,120 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 04:47:46,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:47:46,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:47:46,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:47:46,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:47:46,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:47:46,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:47:46,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:47:46,139 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:47:46,149 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-26 04:47:46,149 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 04:47:46,156 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:47:46,156 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:47:46,156 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:47:46,156 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 [] [2020-10-26 04:47:46,179 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:47:46,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:47:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:47:46,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:47:46,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:47:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:47:46,216 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:47:46,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:47:46,230 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 04:47:46,231 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 04:47:46,232 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-10-26 04:47:46,255 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 23 states and 29 transitions. Complement of second has 6 states. [2020-10-26 04:47:46,255 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 04:47:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:47:46,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2020-10-26 04:47:46,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 4 letters. [2020-10-26 04:47:46,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:47:46,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-26 04:47:46,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:47:46,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 8 letters. [2020-10-26 04:47:46,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:47:46,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2020-10-26 04:47:46,259 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:47:46,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2020-10-26 04:47:46,260 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:47:46,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:47:46,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:47:46,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:47:46,260 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:47:46,260 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:47:46,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:47:46,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:47:46,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:47:46,265 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 04:47:46,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:47:46,268 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 04:47:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:47:46,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 04:47:46,268 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:47:46,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:47:46,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:47:46,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:47:46,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:47:46,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:47:46,269 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:47:46,269 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:47:46,269 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:47:46,269 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:47:46,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:47:46,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:47:46,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:47:46,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:47:46 BoogieIcfgContainer [2020-10-26 04:47:46,277 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:47:46,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:47:46,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:47:46,278 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:47:46,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:47:43" (3/4) ... [2020-10-26 04:47:46,282 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:47:46,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:47:46,285 INFO L168 Benchmark]: Toolchain (without parser) took 3296.35 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 25.4 MB in the beginning and 24.8 MB in the end (delta: 605.9 kB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:47:46,285 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory is still 33.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:47:46,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.83 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 26.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:47:46,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.35 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 25.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:47:46,288 INFO L168 Benchmark]: Boogie Preprocessor took 45.33 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 24.4 MB in the end (delta: 991.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:47:46,288 INFO L168 Benchmark]: RCFGBuilder took 382.77 ms. Allocated memory is still 48.2 MB. Free memory was 24.4 MB in the beginning and 25.0 MB in the end (delta: -590.1 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:47:46,289 INFO L168 Benchmark]: BuchiAutomizer took 2524.49 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 25.2 MB in the end (delta: -400.2 kB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:47:46,290 INFO L168 Benchmark]: Witness Printer took 4.49 ms. Allocated memory is still 58.7 MB. Free memory was 25.2 MB in the beginning and 24.8 MB in the end (delta: 391.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:47:46,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory is still 33.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 283.83 ms. Allocated memory is still 48.2 MB. Free memory was 24.8 MB in the beginning and 26.8 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 41.35 ms. Allocated memory is still 48.2 MB. Free memory was 26.8 MB in the beginning and 25.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.33 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 24.4 MB in the end (delta: 991.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 382.77 ms. Allocated memory is still 48.2 MB. Free memory was 24.4 MB in the beginning and 25.0 MB in the end (delta: -590.1 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2524.49 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 25.2 MB in the end (delta: -400.2 kB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.49 ms. Allocated memory is still 58.7 MB. Free memory was 25.2 MB in the beginning and 24.8 MB in the end (delta: 391.1 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function j + -1 * i and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 15 SDslu, 14 SDs, 0 SdLazy, 26 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf97 lsp89 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...