./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/ldv-regression/test_while_int.c_1.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 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:57:16,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:57:16,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:57:16,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:57:16,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:57:16,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:57:16,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:57:16,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:57:16,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:57:16,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:57:16,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:57:16,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:57:16,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:57:16,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:57:16,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:57:16,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:57:16,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:57:16,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:57:16,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:57:16,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:57:16,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:57:16,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:57:16,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:57:16,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:57:16,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:57:16,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:57:16,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:57:16,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:57:16,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:57:16,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:57:16,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:57:16,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:57:16,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:57:16,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:57:16,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:57:16,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:57:16,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:57:16,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:57:16,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:57:16,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:57:16,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:57:16,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 03:57:16,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:57:16,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:57:16,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:57:16,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:57:16,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:57:16,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:57:16,670 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:57:16,670 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:57:16,670 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:57:16,670 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:57:16,671 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:57:16,671 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:57:16,671 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:57:16,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:57:16,671 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:57:16,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:57:16,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:57:16,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:57:16,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:57:16,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:57:16,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:57:16,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:57:16,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:57:16,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:57:16,674 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:57:16,674 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:57:16,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:57:16,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:57:16,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:57:16,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:57:16,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:57:16,675 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:57:16,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb [2022-02-21 03:57:16,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:57:16,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:57:16,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:57:16,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:57:16,891 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:57:16,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-02-21 03:57:16,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3643354ee/9a90f8fd506841c49bec4990945e9f96/FLAG47302d4d0 [2022-02-21 03:57:17,309 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:57:17,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-02-21 03:57:17,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3643354ee/9a90f8fd506841c49bec4990945e9f96/FLAG47302d4d0 [2022-02-21 03:57:17,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3643354ee/9a90f8fd506841c49bec4990945e9f96 [2022-02-21 03:57:17,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:57:17,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:57:17,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:57:17,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:57:17,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:57:17,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddd6470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17, skipping insertion in model container [2022-02-21 03:57:17,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:57:17,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:57:17,450 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/ldv-regression/test_while_int.c_1.i[300,313] [2022-02-21 03:57:17,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:57:17,487 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:57:17,494 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/ldv-regression/test_while_int.c_1.i[300,313] [2022-02-21 03:57:17,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:57:17,505 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:57:17,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17 WrapperNode [2022-02-21 03:57:17,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:57:17,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:57:17,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:57:17,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:57:17,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,527 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-02-21 03:57:17,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:57:17,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:57:17,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:57:17,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:57:17,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:57:17,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:57:17,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:57:17,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:57:17,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (1/1) ... [2022-02-21 03:57:17,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:17,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:57:17,569 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) [2022-02-21 03:57:17,570 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 [2022-02-21 03:57:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:57:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:57:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:57:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:57:17,637 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:57:17,638 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:57:17,696 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:57:17,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:57:17,700 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:57:17,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:57:17 BoogieIcfgContainer [2022-02-21 03:57:17,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:57:17,702 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:57:17,702 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:57:17,705 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:57:17,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:57:17,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:57:17" (1/3) ... [2022-02-21 03:57:17,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f6cfac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:57:17, skipping insertion in model container [2022-02-21 03:57:17,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:57:17,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:17" (2/3) ... [2022-02-21 03:57:17,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f6cfac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:57:17, skipping insertion in model container [2022-02-21 03:57:17,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:57:17,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:57:17" (3/3) ... [2022-02-21 03:57:17,707 INFO L388 chiAutomizerObserver]: Analyzing ICFG test_while_int.c_1.i [2022-02-21 03:57:17,736 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:57:17,737 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:57:17,737 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:57:17,737 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:57:17,737 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:57:17,737 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:57:17,737 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:57:17,737 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:57:17,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-02-21 03:57:17,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:57:17,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:57:17,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:57:17,776 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:57:17,777 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:57:17,777 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:57:17,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-02-21 03:57:17,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:57:17,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:57:17,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:57:17,782 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:57:17,782 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:57:17,787 INFO L791 eck$LassoCheckResult]: Stem: 5#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(21, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_~i~0#1;main_~i~0#1 := 0; 6#L18-2true [2022-02-21 03:57:17,788 INFO L793 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(main_~i~0#1 < 5);main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4#L18true assume 3 != main_~i~0#1; 6#L18-2true [2022-02-21 03:57:17,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:57:17,796 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:57:17,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:57:17,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371814233] [2022-02-21 03:57:17,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:57:17,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:57:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:57:17,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:57:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:57:17,914 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:57:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:57:17,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-02-21 03:57:17,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:57:17,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781123063] [2022-02-21 03:57:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:57:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:57:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:57:17,934 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:57:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:57:17,941 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:57:17,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:57:17,944 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-02-21 03:57:17,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:57:17,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204493861] [2022-02-21 03:57:17,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:57:17,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:57:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:57:17,978 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:57:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:57:17,994 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:57:18,106 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:57:18,111 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:57:18,111 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:57:18,111 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:57:18,111 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:57:18,111 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:18,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:57:18,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:57:18,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2022-02-21 03:57:18,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:57:18,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:57:18,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:57:18,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:57:18,237 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:57:18,238 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:57:18,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:18,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:57:18,241 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) [2022-02-21 03:57:18,243 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 [2022-02-21 03:57:18,244 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:57:18,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:57:18,274 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 [2022-02-21 03:57:18,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:18,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:57:18,275 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) [2022-02-21 03:57:18,276 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 [2022-02-21 03:57:18,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:57:18,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:57:18,337 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:57:18,343 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 [2022-02-21 03:57:18,343 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:57:18,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:57:18,344 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:57:18,344 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:57:18,344 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:57:18,344 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:18,344 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:57:18,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:57:18,344 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2022-02-21 03:57:18,344 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:57:18,344 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:57:18,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:57:18,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:57:18,428 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:57:18,431 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:57:18,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:18,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:57:18,434 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) [2022-02-21 03:57:18,435 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 [2022-02-21 03:57:18,436 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 [2022-02-21 03:57:18,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:57:18,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:57:18,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:57:18,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:57:18,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:57:18,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:57:18,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:57:18,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:57:18,476 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 [2022-02-21 03:57:18,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:18,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:57:18,478 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) [2022-02-21 03:57:18,478 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 [2022-02-21 03:57:18,480 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 [2022-02-21 03:57:18,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:57:18,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:57:18,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:57:18,486 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-02-21 03:57:18,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:57:18,487 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:57:18,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:57:18,497 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:57:18,509 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-02-21 03:57:18,510 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-02-21 03:57:18,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:18,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:57:18,512 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) [2022-02-21 03:57:18,513 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 [2022-02-21 03:57:18,548 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:57:18,548 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:57:18,548 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:57:18,548 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 9 Supporting invariants [] [2022-02-21 03:57:18,564 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 [2022-02-21 03:57:18,571 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 03:57:18,576 INFO L390 LassoCheck]: Loop: "assume !!(main_~i~0#1 < 5);main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" "assume 3 != main_~i~0#1;" [2022-02-21 03:57:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:57:18,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:57:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:57:18,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:57:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:57:18,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:57:18,648 INFO L290 TraceCheckUtils]: 0: Hoare triple {20#unseeded} 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(21, 2);call #Ultimate.allocInit(12, 3); {20#unseeded} is VALID [2022-02-21 03:57:18,648 INFO L290 TraceCheckUtils]: 1: Hoare triple {20#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_~i~0#1;main_~i~0#1 := 0; {20#unseeded} is VALID [2022-02-21 03:57:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:57:18,653 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:57:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:57:18,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:57:18,744 INFO L290 TraceCheckUtils]: 0: Hoare triple {23#(>= oldRank0 (+ (* (- 2) |ULTIMATE.start_main_~i~0#1|) 9))} assume !!(main_~i~0#1 < 5);main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; {41#(and (<= (+ (div (+ (- 9) oldRank0) (- 2)) 1) |ULTIMATE.start_main_~i~0#1|) (< (div (+ (- 9) oldRank0) (- 2)) 5))} is VALID [2022-02-21 03:57:18,745 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#(and (<= (+ (div (+ (- 9) oldRank0) (- 2)) 1) |ULTIMATE.start_main_~i~0#1|) (< (div (+ (- 9) oldRank0) (- 2)) 5))} assume 3 != main_~i~0#1; {33#(or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2) |ULTIMATE.start_main_~i~0#1|) 9))) unseeded)} is VALID [2022-02-21 03:57:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:57:18,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-21 03:57:18,768 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:57:18,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,774 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 [2022-02-21 03:57:18,775 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-21 03:57:18,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 25 states and 32 transitions. Complement of second has 5 states. [2022-02-21 03:57:18,821 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 [2022-02-21 03:57:18,821 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:57:18,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-02-21 03:57:18,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:57:18,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:57:18,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:57:18,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-21 03:57:18,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:57:18,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:57:18,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:57:18,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2022-02-21 03:57:18,847 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:57:18,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:57:18,848 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2022-02-21 03:57:18,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-02-21 03:57:18,850 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2022-02-21 03:57:18,850 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-21 03:57:18,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:57:18,852 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:57:18,852 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 25 states and 32 transitions. cyclomatic complexity: 9 [2022-02-21 03:57:18,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. cyclomatic complexity: 9 [2022-02-21 03:57:18,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:57:18,852 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:57:18,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:57:18,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:57:18,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:57:18,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 25 letters. Loop has 25 letters. [2022-02-21 03:57:18,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 25 letters. Loop has 25 letters. [2022-02-21 03:57:18,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 25 letters. Loop has 25 letters. [2022-02-21 03:57:18,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 10 letters. Loop has 10 letters. [2022-02-21 03:57:18,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 10 letters. Loop has 10 letters. [2022-02-21 03:57:18,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 10 letters. Loop has 10 letters. [2022-02-21 03:57:18,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:57:18,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:57:18,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:57:18,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:57:18,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:57:18,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:57:18,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:57:18,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:57:18,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:57:18,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:57:18,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:57:18,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:57:18,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:57:18,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:57:18,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:57:18,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:57:18,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:57:18,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 32 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:57:18,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,870 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:57:18,874 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 [2022-02-21 03:57:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-02-21 03:57:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-02-21 03:57:18,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:57:18,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:57:18,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:57:18,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:57:18,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. cyclomatic complexity: 9 [2022-02-21 03:57:18,887 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:57:18,888 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-02-21 03:57:18,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:57:18,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:57:18,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:57:18,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:57:18,889 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:57:18,890 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:57:18,890 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:57:18,890 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:57:18,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:57:18,890 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:57:18,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:57:18,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:57:18 BoogieIcfgContainer [2022-02-21 03:57:18,895 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:57:18,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:57:18,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:57:18,895 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:57:18,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:57:17" (3/4) ... [2022-02-21 03:57:18,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:57:18,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:57:18,899 INFO L158 Benchmark]: Toolchain (without parser) took 1574.36ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 59.9MB in the beginning and 83.1MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:57:18,899 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:57:18,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.53ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 68.6MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:57:18,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.23ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:57:18,900 INFO L158 Benchmark]: Boogie Preprocessor took 12.01ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 948.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:57:18,901 INFO L158 Benchmark]: RCFGBuilder took 160.70ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 57.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:57:18,901 INFO L158 Benchmark]: BuchiAutomizer took 1192.58ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 83.9MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:57:18,902 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 113.2MB. Free memory was 83.9MB in the beginning and 83.1MB in the end (delta: 784.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:57:18,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.53ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 68.6MB in the end (delta: -8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.23ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 67.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.01ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 948.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 160.70ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 57.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1192.58ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 57.6MB in the beginning and 83.9MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 113.2MB. Free memory was 83.9MB in the beginning and 83.1MB in the end (delta: 784.6kB). 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 -2 * i + 9 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 71ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 03:57:18,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE