./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/hhk2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/loop-lit/hhk2008.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 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 18:40:11,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 18:40:11,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 18:40:11,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 18:40:11,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 18:40:11,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 18:40:11,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 18:40:11,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 18:40:11,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 18:40:11,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 18:40:11,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 18:40:11,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 18:40:11,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 18:40:11,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 18:40:11,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 18:40:11,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 18:40:11,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 18:40:11,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 18:40:11,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 18:40:11,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 18:40:11,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 18:40:11,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 18:40:11,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 18:40:11,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 18:40:11,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 18:40:11,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 18:40:11,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 18:40:11,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 18:40:11,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 18:40:11,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 18:40:11,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 18:40:11,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 18:40:11,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 18:40:11,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 18:40:11,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 18:40:11,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 18:40:11,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 18:40:11,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 18:40:11,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 18:40:11,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 18:40:11,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 18:40:11,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 18:40:11,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 18:40:11,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 18:40:11,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 18:40:11,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 18:40:11,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 18:40:11,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 18:40:11,443 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 18:40:11,443 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 18:40:11,443 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 18:40:11,443 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 18:40:11,444 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 18:40:11,444 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 18:40:11,444 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 18:40:11,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 18:40:11,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 18:40:11,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 18:40:11,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 18:40:11,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 18:40:11,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 18:40:11,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 18:40:11,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 18:40:11,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 18:40:11,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 18:40:11,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 18:40:11,446 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 18:40:11,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 18:40:11,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 18:40:11,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 18:40:11,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 18:40:11,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 18:40:11,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 18:40:11,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 18:40:11,448 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 18:40:11,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 [2021-12-19 18:40:11,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 18:40:11,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 18:40:11,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 18:40:11,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 18:40:11,628 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 18:40:11,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/hhk2008.i [2021-12-19 18:40:11,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3938cdd5e/526ac124e9154e57a48142c84771ba75/FLAG81ba5e920 [2021-12-19 18:40:12,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 18:40:12,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hhk2008.i [2021-12-19 18:40:12,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3938cdd5e/526ac124e9154e57a48142c84771ba75/FLAG81ba5e920 [2021-12-19 18:40:12,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3938cdd5e/526ac124e9154e57a48142c84771ba75 [2021-12-19 18:40:12,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 18:40:12,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 18:40:12,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 18:40:12,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 18:40:12,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 18:40:12,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f778907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12, skipping insertion in model container [2021-12-19 18:40:12,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 18:40:12,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 18:40:12,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hhk2008.i[895,908] [2021-12-19 18:40:12,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 18:40:12,636 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 18:40:12,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hhk2008.i[895,908] [2021-12-19 18:40:12,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 18:40:12,658 INFO L208 MainTranslator]: Completed translation [2021-12-19 18:40:12,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12 WrapperNode [2021-12-19 18:40:12,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 18:40:12,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 18:40:12,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 18:40:12,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 18:40:12,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,687 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2021-12-19 18:40:12,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 18:40:12,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 18:40:12,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 18:40:12,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 18:40:12,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 18:40:12,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 18:40:12,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 18:40:12,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 18:40:12,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (1/1) ... [2021-12-19 18:40:12,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:12,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:12,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:12,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 18:40:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 18:40:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 18:40:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 18:40:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 18:40:12,837 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 18:40:12,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 18:40:12,923 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 18:40:12,927 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 18:40:12,927 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 18:40:12,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:40:12 BoogieIcfgContainer [2021-12-19 18:40:12,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 18:40:12,929 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 18:40:12,929 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 18:40:12,931 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 18:40:12,932 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:40:12,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 06:40:12" (1/3) ... [2021-12-19 18:40:12,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fad6b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:40:12, skipping insertion in model container [2021-12-19 18:40:12,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:40:12,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:40:12" (2/3) ... [2021-12-19 18:40:12,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fad6b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:40:12, skipping insertion in model container [2021-12-19 18:40:12,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 18:40:12,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:40:12" (3/3) ... [2021-12-19 18:40:12,934 INFO L388 chiAutomizerObserver]: Analyzing ICFG hhk2008.i [2021-12-19 18:40:12,974 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 18:40:12,974 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 18:40:12,974 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 18:40:12,974 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 18:40:12,974 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 18:40:12,974 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 18:40:12,975 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 18:40:12,975 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 18:40:12,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:40:12,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:40:12,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:40:12,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:40:13,000 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-19 18:40:13,000 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 18:40:13,000 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 18:40:13,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:40:13,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 18:40:13,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 18:40:13,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 18:40:13,002 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-19 18:40:13,002 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 18:40:13,007 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~b~0#1, main_~res~0#1, main_~cnt~0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_~res~0#1;havoc main_~cnt~0#1; 9#L28true assume !!(main_~a~0#1 <= 1000000); 10#L29true assume !!(0 <= main_~b~0#1 && main_~b~0#1 <= 1000000);main_~res~0#1 := main_~a~0#1;main_~cnt~0#1 := main_~b~0#1; 3#L32-2true [2021-12-19 18:40:13,007 INFO L793 eck$LassoCheckResult]: Loop: 3#L32-2true assume !!(main_~cnt~0#1 > 0);main_~cnt~0#1 := main_~cnt~0#1 - 1;main_~res~0#1 := 1 + main_~res~0#1; 3#L32-2true [2021-12-19 18:40:13,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:40:13,011 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-12-19 18:40:13,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:40:13,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795462141] [2021-12-19 18:40:13,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:40:13,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:40:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:40:13,076 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:40:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:40:13,093 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:40:13,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:40:13,095 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2021-12-19 18:40:13,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:40:13,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078565319] [2021-12-19 18:40:13,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:40:13,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:40:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:40:13,102 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:40:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:40:13,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:40:13,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:40:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2021-12-19 18:40:13,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 18:40:13,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941529448] [2021-12-19 18:40:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 18:40:13,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 18:40:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:40:13,115 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 18:40:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 18:40:13,124 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 18:40:13,165 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 18:40:13,166 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 18:40:13,166 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 18:40:13,166 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 18:40:13,166 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 18:40:13,166 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,166 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 18:40:13,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 18:40:13,167 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2021-12-19 18:40:13,167 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 18:40:13,167 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 18:40:13,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:40:13,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:40:13,227 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 18:40:13,229 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 18:40:13,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:13,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:13,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 18:40:13,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:40:13,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-19 18:40:13,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-19 18:40:13,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:13,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:13,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-19 18:40:13,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 18:40:13,340 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:40:13,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-19 18:40:13,374 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=-1}, {ULTIMATE.start_main_~res~0#1=-1}, {ULTIMATE.start_main_~res~0#1=3}] Lambdas: [0, 1, 1] Nus: [1, 0] [2021-12-19 18:40:13,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-19 18:40:13,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:13,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:13,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 18:40:13,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 18:40:13,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:40:13,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-19 18:40:13,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:13,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:13,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 18:40:13,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 18:40:13,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 18:40:13,484 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 18:40:13,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-19 18:40:13,489 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 18:40:13,489 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 18:40:13,489 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 18:40:13,489 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 18:40:13,489 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 18:40:13,489 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,489 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 18:40:13,489 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 18:40:13,489 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2021-12-19 18:40:13,489 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 18:40:13,489 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 18:40:13,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:40:13,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 18:40:13,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 18:40:13,530 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 18:40:13,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:13,533 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:13,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 18:40:13,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:40:13,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:40:13,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:40:13,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:40:13,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:40:13,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:40:13,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:40:13,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:40:13,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 18:40:13,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 18:40:13,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:13,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:13,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-19 18:40:13,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 18:40:13,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 18:40:13,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 18:40:13,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 18:40:13,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 18:40:13,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 18:40:13,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 18:40:13,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 18:40:13,630 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 18:40:13,633 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-19 18:40:13,634 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-19 18:40:13,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 18:40:13,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 18:40:13,636 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 18:40:13,641 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 18:40:13,641 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-19 18:40:13,641 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 18:40:13,642 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~cnt~0#1) = 1*ULTIMATE.start_main_~cnt~0#1 Supporting invariants [] [2021-12-19 18:40:13,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-19 18:40:13,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-19 18:40:13,660 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-19 18:40:13,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 18:40:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:40:13,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 18:40:13,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:40:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 18:40:13,714 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 18:40:13,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 18:40:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 18:40:13,736 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-19 18:40:13,737 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:40:13,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 36 transitions. Complement of second has 5 states. [2021-12-19 18:40:13,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 18:40:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 18:40:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-12-19 18:40:13,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-19 18:40:13,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:40:13,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-19 18:40:13,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:40:13,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-19 18:40:13,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 18:40:13,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-12-19 18:40:13,767 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 18:40:13,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2021-12-19 18:40:13,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 18:40:13,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 18:40:13,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 18:40:13,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 18:40:13,769 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:40:13,769 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:40:13,769 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 18:40:13,769 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 18:40:13,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 18:40:13,770 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 18:40:13,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 18:40:13,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 06:40:13 BoogieIcfgContainer [2021-12-19 18:40:13,774 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 18:40:13,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 18:40:13,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 18:40:13,775 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 18:40:13,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:40:12" (3/4) ... [2021-12-19 18:40:13,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 18:40:13,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 18:40:13,777 INFO L158 Benchmark]: Toolchain (without parser) took 1302.32ms. Allocated memory is still 121.6MB. Free memory was 88.2MB in the beginning and 87.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2021-12-19 18:40:13,778 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:40:13,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.81ms. Allocated memory is still 121.6MB. Free memory was 88.0MB in the beginning and 97.3MB in the end (delta: -9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 18:40:13,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.05ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 18:40:13,779 INFO L158 Benchmark]: Boogie Preprocessor took 22.60ms. Allocated memory is still 121.6MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 972.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 18:40:13,779 INFO L158 Benchmark]: RCFGBuilder took 216.47ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 86.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 18:40:13,779 INFO L158 Benchmark]: BuchiAutomizer took 845.07ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 87.7MB in the end (delta: -1.6MB). Peak memory consumption was 489.7kB. Max. memory is 16.1GB. [2021-12-19 18:40:13,780 INFO L158 Benchmark]: Witness Printer took 2.36ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 87.1MB in the end (delta: 608.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 18:40:13,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.81ms. Allocated memory is still 121.6MB. Free memory was 88.0MB in the beginning and 97.3MB in the end (delta: -9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.05ms. Allocated memory is still 121.6MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.60ms. Allocated memory is still 121.6MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 972.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 216.47ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 86.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 845.07ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 87.7MB in the end (delta: -1.6MB). Peak memory consumption was 489.7kB. Max. memory is 16.1GB. * Witness Printer took 2.36ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 87.1MB in the end (delta: 608.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 cnt and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-19 18:40:13,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-19 18:40:14,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE