./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/array-memsafety/openbsd_cstrncmp-alloca-2.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 e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 03:13:52,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 03:13:52,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 03:13:52,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 03:13:52,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 03:13:52,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 03:13:52,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 03:13:52,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 03:13:52,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 03:13:52,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 03:13:52,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 03:13:52,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 03:13:52,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 03:13:52,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 03:13:52,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 03:13:52,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 03:13:52,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 03:13:52,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 03:13:52,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 03:13:52,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 03:13:52,292 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 03:13:52,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 03:13:52,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 03:13:52,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 03:13:52,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 03:13:52,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 03:13:52,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 03:13:52,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 03:13:52,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 03:13:52,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 03:13:52,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 03:13:52,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 03:13:52,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 03:13:52,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 03:13:52,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 03:13:52,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 03:13:52,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 03:13:52,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 03:13:52,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 03:13:52,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 03:13:52,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 03:13:52,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 03:13:52,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 03:13:52,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 03:13:52,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 03:13:52,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 03:13:52,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 03:13:52,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 03:13:52,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 03:13:52,356 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 03:13:52,356 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 03:13:52,356 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 03:13:52,357 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 03:13:52,357 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 03:13:52,357 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 03:13:52,357 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 03:13:52,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 03:13:52,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 03:13:52,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 03:13:52,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 03:13:52,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 03:13:52,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 03:13:52,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 03:13:52,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 03:13:52,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 03:13:52,365 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 03:13:52,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 03:13:52,366 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 03:13:52,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 03:13:52,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 03:13:52,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 03:13:52,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 03:13:52,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 03:13:52,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 03:13:52,370 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 03:13:52,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 [2022-07-22 03:13:52,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 03:13:52,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 03:13:52,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 03:13:52,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 03:13:52,712 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 03:13:52,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2022-07-22 03:13:52,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81caee3e8/e65bf29c6e2441d9a0e071c49f2c221e/FLAG44f8218b1 [2022-07-22 03:13:53,292 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 03:13:53,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2022-07-22 03:13:53,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81caee3e8/e65bf29c6e2441d9a0e071c49f2c221e/FLAG44f8218b1 [2022-07-22 03:13:53,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81caee3e8/e65bf29c6e2441d9a0e071c49f2c221e [2022-07-22 03:13:53,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 03:13:53,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 03:13:53,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 03:13:53,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 03:13:53,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 03:13:53,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:13:53" (1/1) ... [2022-07-22 03:13:53,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ddbec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:53, skipping insertion in model container [2022-07-22 03:13:53,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:13:53" (1/1) ... [2022-07-22 03:13:53,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 03:13:53,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 03:13:54,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:13:54,205 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 03:13:54,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:13:54,264 INFO L208 MainTranslator]: Completed translation [2022-07-22 03:13:54,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54 WrapperNode [2022-07-22 03:13:54,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 03:13:54,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 03:13:54,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 03:13:54,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 03:13:54,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,324 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2022-07-22 03:13:54,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 03:13:54,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 03:13:54,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 03:13:54,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 03:13:54,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 03:13:54,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 03:13:54,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 03:13:54,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 03:13:54,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (1/1) ... [2022-07-22 03:13:54,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:54,401 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) [2022-07-22 03:13:54,404 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 [2022-07-22 03:13:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 03:13:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 03:13:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 03:13:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 03:13:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 03:13:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 03:13:54,546 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 03:13:54,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 03:13:54,763 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 03:13:54,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 03:13:54,769 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 03:13:54,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:13:54 BoogieIcfgContainer [2022-07-22 03:13:54,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 03:13:54,772 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 03:13:54,772 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 03:13:54,774 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 03:13:54,775 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:13:54,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 03:13:53" (1/3) ... [2022-07-22 03:13:54,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61230717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:13:54, skipping insertion in model container [2022-07-22 03:13:54,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:13:54,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:54" (2/3) ... [2022-07-22 03:13:54,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61230717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:13:54, skipping insertion in model container [2022-07-22 03:13:54,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:13:54,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:13:54" (3/3) ... [2022-07-22 03:13:54,778 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncmp-alloca-2.i [2022-07-22 03:13:54,833 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 03:13:54,833 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 03:13:54,833 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 03:13:54,834 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 03:13:54,834 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 03:13:54,834 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 03:13:54,834 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 03:13:54,834 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 03:13:54,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2022-07-22 03:13:54,858 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-22 03:13:54,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:54,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:54,870 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 03:13:54,870 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:54,870 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 03:13:54,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2022-07-22 03:13:54,875 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-22 03:13:54,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:54,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:54,875 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 03:13:54,875 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:54,881 INFO L752 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 7#L529true assume !(main_~length1~0#1 < 1); 17#L529-2true assume !(main_~length2~0#1 < 1); 2#L532-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 3#L538-3true [2022-07-22 03:13:54,881 INFO L754 eck$LassoCheckResult]: Loop: 3#L538-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 16#L538-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 3#L538-3true [2022-07-22 03:13:54,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:54,893 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-22 03:13:54,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:54,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590171644] [2022-07-22 03:13:54,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:54,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:55,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:55,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:55,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:55,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-07-22 03:13:55,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:55,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291153543] [2022-07-22 03:13:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:55,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:55,086 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:55,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:55,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:55,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-07-22 03:13:55,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:55,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772033785] [2022-07-22 03:13:55,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:55,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:55,132 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:55,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:55,509 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:13:55,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:13:55,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:13:55,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:13:55,511 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:13:55,511 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:55,511 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:13:55,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:13:55,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration1_Lasso [2022-07-22 03:13:55,512 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:13:55,512 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:13:55,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:55,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:56,005 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:13:56,008 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:13:56,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,010 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) [2022-07-22 03:13:56,013 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 [2022-07-22 03:13:56,014 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 [2022-07-22 03:13:56,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:56,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:56,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:56,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:56,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:56,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:56,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:56,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:56,064 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 [2022-07-22 03:13:56,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,067 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) [2022-07-22 03:13:56,077 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 [2022-07-22 03:13:56,078 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 [2022-07-22 03:13:56,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:56,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:56,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:56,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:56,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:56,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:56,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:56,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:56,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:56,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,136 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) [2022-07-22 03:13:56,138 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 [2022-07-22 03:13:56,139 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 [2022-07-22 03:13:56,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:56,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:56,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:56,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:56,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:56,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:56,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:56,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:56,177 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 [2022-07-22 03:13:56,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,178 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) [2022-07-22 03:13:56,179 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 [2022-07-22 03:13:56,181 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 [2022-07-22 03:13:56,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:56,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:56,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:56,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:56,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:56,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:56,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:56,237 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 [2022-07-22 03:13:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,239 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) [2022-07-22 03:13:56,241 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 [2022-07-22 03:13:56,242 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 [2022-07-22 03:13:56,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:56,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:56,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:56,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:56,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:56,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:56,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:56,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 03:13:56,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,289 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) [2022-07-22 03:13:56,290 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 [2022-07-22 03:13:56,291 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 [2022-07-22 03:13:56,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:56,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:56,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:56,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:56,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:56,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:56,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:56,339 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 [2022-07-22 03:13:56,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,341 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) [2022-07-22 03:13:56,343 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 [2022-07-22 03:13:56,393 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 [2022-07-22 03:13:56,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:56,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:56,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:56,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:56,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:56,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:56,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:13:56,440 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-22 03:13:56,440 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-22 03:13:56,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:56,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:56,482 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2022-07-22 03:13:56,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 03:13:56,503 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:13:56,511 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 03:13:56,512 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:13:56,512 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-07-22 03:13:56,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:56,551 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-22 03:13:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:56,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 03:13:56,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:56,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 03:13:56,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:56,693 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 [2022-07-22 03:13:56,694 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-07-22 03:13:56,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 54 states and 79 transitions. Complement of second has 7 states. [2022-07-22 03:13:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 03:13:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-07-22 03:13:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-07-22 03:13:56,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 03:13:56,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:56,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 03:13:56,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:56,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-22 03:13:56,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:56,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 79 transitions. [2022-07-22 03:13:56,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-22 03:13:56,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 18 states and 23 transitions. [2022-07-22 03:13:56,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-22 03:13:56,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-07-22 03:13:56,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-07-22 03:13:56,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:13:56,754 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-22 03:13:56,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-07-22 03:13:56,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-07-22 03:13:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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) [2022-07-22 03:13:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-07-22 03:13:56,778 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-22 03:13:56,778 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-22 03:13:56,779 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 03:13:56,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-07-22 03:13:56,784 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-22 03:13:56,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:56,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:56,784 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:13:56,784 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:56,785 INFO L752 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 154#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 156#L529 assume !(main_~length1~0#1 < 1); 157#L529-2 assume !(main_~length2~0#1 < 1); 152#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 148#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 149#L538-4 main_~i~1#1 := 0; 155#L543-3 [2022-07-22 03:13:56,786 INFO L754 eck$LassoCheckResult]: Loop: 155#L543-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 162#L543-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 155#L543-3 [2022-07-22 03:13:56,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:56,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-07-22 03:13:56,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:56,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650487370] [2022-07-22 03:13:56,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:56,812 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:56,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:56,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:56,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-07-22 03:13:56,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:56,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823420771] [2022-07-22 03:13:56,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:56,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:56,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:56,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:56,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:56,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-07-22 03:13:56,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:56,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396917750] [2022-07-22 03:13:56,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:56,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:56,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:56,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:56,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:57,183 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:13:57,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:13:57,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:13:57,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:13:57,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:13:57,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:57,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:13:57,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:13:57,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration2_Lasso [2022-07-22 03:13:57,184 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:13:57,184 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:13:57,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:57,584 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:13:57,585 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:13:57,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:57,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:57,588 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2022-07-22 03:13:57,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 03:13:57,591 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 [2022-07-22 03:13:57,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:57,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:57,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:57,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:57,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:57,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:57,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:57,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:57,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:57,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:57,644 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2022-07-22 03:13:57,654 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 [2022-07-22 03:13:57,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:57,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:57,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:57,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:57,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:57,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:57,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 03:13:57,690 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:13:57,710 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-07-22 03:13:57,710 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-22 03:13:57,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:57,712 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2022-07-22 03:13:57,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 03:13:57,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:13:57,748 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 03:13:57,748 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:13:57,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2022-07-22 03:13:57,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:57,794 INFO L293 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-07-22 03:13:57,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:57,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 03:13:57,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:57,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 03:13:57,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:57,862 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 [2022-07-22 03:13:57,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-07-22 03:13:57,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 27 states and 36 transitions. Complement of second has 6 states. [2022-07-22 03:13:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 03:13:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-07-22 03:13:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-07-22 03:13:57,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 03:13:57,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:57,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 03:13:57,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:57,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-22 03:13:57,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:57,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-07-22 03:13:57,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:13:57,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 25 transitions. [2022-07-22 03:13:57,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-22 03:13:57,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 03:13:57,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-07-22 03:13:57,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:13:57,914 INFO L369 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-22 03:13:57,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-07-22 03:13:57,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-07-22 03:13:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 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) [2022-07-22 03:13:57,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-07-22 03:13:57,919 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-22 03:13:57,919 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-07-22 03:13:57,919 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 03:13:57,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-07-22 03:13:57,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:13:57,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:57,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:57,921 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:13:57,921 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-22 03:13:57,921 INFO L752 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 275#L529 assume !(main_~length1~0#1 < 1); 276#L529-2 assume !(main_~length2~0#1 < 1); 267#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 268#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 269#L538-4 main_~i~1#1 := 0; 274#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 277#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 278#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 283#L518-4 [2022-07-22 03:13:57,921 INFO L754 eck$LassoCheckResult]: Loop: 283#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 284#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 279#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 280#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 285#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 283#L518-4 [2022-07-22 03:13:57,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2022-07-22 03:13:57,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:57,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537287936] [2022-07-22 03:13:57,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:57,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:57,963 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:57,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:57,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:57,993 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 1 times [2022-07-22 03:13:57,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:57,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344752072] [2022-07-22 03:13:57,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:57,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:58,020 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:58,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:58,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:58,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1989497660, now seen corresponding path program 1 times [2022-07-22 03:13:58,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:58,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269073233] [2022-07-22 03:13:58,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:58,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:58,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:58,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 03:13:58,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269073233] [2022-07-22 03:13:58,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269073233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 03:13:58,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 03:13:58,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 03:13:58,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675031576] [2022-07-22 03:13:58,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 03:13:58,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 03:13:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 03:13:58,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-22 03:13:58,459 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2022-07-22 03:13:58,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 03:13:58,591 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-07-22 03:13:58,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 03:13:58,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-07-22 03:13:58,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:13:58,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 20 states and 25 transitions. [2022-07-22 03:13:58,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-22 03:13:58,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 03:13:58,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-07-22 03:13:58,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:13:58,594 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-07-22 03:13:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-07-22 03:13:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-22 03:13:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 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) [2022-07-22 03:13:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-07-22 03:13:58,595 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-07-22 03:13:58,595 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-07-22 03:13:58,595 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 03:13:58,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-07-22 03:13:58,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:13:58,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:58,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:58,596 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:13:58,596 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-22 03:13:58,597 INFO L752 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 341#L529 assume !(main_~length1~0#1 < 1); 342#L529-2 assume !(main_~length2~0#1 < 1); 333#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 334#L538-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 335#L538-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 336#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 337#L538-4 main_~i~1#1 := 0; 340#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 343#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 344#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 349#L518-4 [2022-07-22 03:13:58,597 INFO L754 eck$LassoCheckResult]: Loop: 349#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 350#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 345#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 346#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 351#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 349#L518-4 [2022-07-22 03:13:58,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:58,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2022-07-22 03:13:58,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:58,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863192432] [2022-07-22 03:13:58,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:58,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:58,612 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:58,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:58,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:58,628 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 2 times [2022-07-22 03:13:58,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:58,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515528720] [2022-07-22 03:13:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:58,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:58,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:58,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:58,642 INFO L85 PathProgramCache]: Analyzing trace with hash -351427674, now seen corresponding path program 1 times [2022-07-22 03:13:58,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:58,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008127209] [2022-07-22 03:13:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 03:13:58,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 03:13:58,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008127209] [2022-07-22 03:13:58,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008127209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 03:13:58,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 03:13:58,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 03:13:58,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727193655] [2022-07-22 03:13:58,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 03:13:58,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 03:13:58,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 03:13:58,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 03:13:58,946 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2022-07-22 03:13:59,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 03:13:59,036 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-07-22 03:13:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 03:13:59,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-07-22 03:13:59,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:13:59,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 20 states and 24 transitions. [2022-07-22 03:13:59,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-22 03:13:59,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 03:13:59,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-07-22 03:13:59,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:13:59,038 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-07-22 03:13:59,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-07-22 03:13:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-07-22 03:13:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-07-22 03:13:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-07-22 03:13:59,039 INFO L392 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-07-22 03:13:59,039 INFO L374 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-07-22 03:13:59,040 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 03:13:59,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-07-22 03:13:59,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 03:13:59,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:59,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:59,040 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:13:59,040 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-22 03:13:59,041 INFO L752 eck$LassoCheckResult]: Stem: 402#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 403#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 405#L529 assume !(main_~length1~0#1 < 1); 406#L529-2 assume !(main_~length2~0#1 < 1); 397#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 398#L538-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 399#L538-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 400#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 401#L538-4 main_~i~1#1 := 0; 404#L543-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 411#L543-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 412#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 407#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 408#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 413#L518-4 [2022-07-22 03:13:59,041 INFO L754 eck$LassoCheckResult]: Loop: 413#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 414#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 409#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 410#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 415#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 413#L518-4 [2022-07-22 03:13:59,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:59,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2022-07-22 03:13:59,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:59,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990500001] [2022-07-22 03:13:59,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:59,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:59,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:59,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:59,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:59,085 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 3 times [2022-07-22 03:13:59,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:59,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231864815] [2022-07-22 03:13:59,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:59,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:59,092 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:59,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:59,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:59,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1019129272, now seen corresponding path program 1 times [2022-07-22 03:13:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:59,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135818526] [2022-07-22 03:13:59,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:59,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:59,119 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:59,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:14:00,279 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:14:00,279 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:14:00,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:14:00,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:14:00,279 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:14:00,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:00,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:14:00,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:14:00,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration5_Lasso [2022-07-22 03:14:00,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:14:00,279 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:14:00,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:00,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:14:01,768 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:14:01,768 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:14:01,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,772 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2022-07-22 03:14:01,780 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 [2022-07-22 03:14:01,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:01,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:01,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:01,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:01,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:01,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:01,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:01,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 03:14:01,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:01,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-22 03:14:01,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,819 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2022-07-22 03:14:01,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 03:14:01,821 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 [2022-07-22 03:14:01,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:01,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:01,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:01,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:01,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:01,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:01,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:01,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:01,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:01,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,846 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2022-07-22 03:14:01,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 03:14:01,849 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 [2022-07-22 03:14:01,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:01,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:01,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:01,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:01,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:01,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:01,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:01,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:01,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:01,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,875 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2022-07-22 03:14:01,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 03:14:01,877 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 [2022-07-22 03:14:01,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:01,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:01,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:01,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:01,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:14:01,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:14:01,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:01,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:01,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,905 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2022-07-22 03:14:01,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 03:14:01,907 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 [2022-07-22 03:14:01,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:01,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:01,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:01,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:01,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:01,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:01,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:01,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:01,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-22 03:14:01,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,932 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2022-07-22 03:14:01,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 03:14:01,934 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 [2022-07-22 03:14:01,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:01,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:01,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:01,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:01,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:01,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:01,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:01,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:01,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:01,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,964 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2022-07-22 03:14:01,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 03:14:01,966 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 [2022-07-22 03:14:01,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:01,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:01,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:01,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:01,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:14:01,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:14:01,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:01,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-07-22 03:14:01,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:01,994 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2022-07-22 03:14:01,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 03:14:01,998 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 [2022-07-22 03:14:02,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,025 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2022-07-22 03:14:02,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-22 03:14:02,027 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 [2022-07-22 03:14:02,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,053 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2022-07-22 03:14:02,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 03:14:02,055 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 [2022-07-22 03:14:02,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:14:02,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:14:02,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-22 03:14:02,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,083 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2022-07-22 03:14:02,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-22 03:14:02,085 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 [2022-07-22 03:14:02,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,111 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2022-07-22 03:14:02,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-22 03:14:02,113 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 [2022-07-22 03:14:02,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:14:02,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:14:02,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,179 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2022-07-22 03:14:02,188 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 [2022-07-22 03:14:02,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-22 03:14:02,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,235 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2022-07-22 03:14:02,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-22 03:14:02,237 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 [2022-07-22 03:14:02,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,285 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2022-07-22 03:14:02,289 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 [2022-07-22 03:14:02,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-22 03:14:02,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,332 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2022-07-22 03:14:02,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-22 03:14:02,337 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 [2022-07-22 03:14:02,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-22 03:14:02,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,361 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2022-07-22 03:14:02,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-22 03:14:02,363 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 [2022-07-22 03:14:02,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:14:02,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:14:02,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-22 03:14:02,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,391 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2022-07-22 03:14:02,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-22 03:14:02,393 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 [2022-07-22 03:14:02,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,434 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2022-07-22 03:14:02,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-22 03:14:02,436 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 [2022-07-22 03:14:02,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,461 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2022-07-22 03:14:02,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-22 03:14:02,463 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 [2022-07-22 03:14:02,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:14:02,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:14:02,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:14:02,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:14:02,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-22 03:14:02,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,488 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2022-07-22 03:14:02,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-22 03:14:02,490 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 [2022-07-22 03:14:02,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:14:02,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:14:02,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:14:02,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:14:02,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:14:02,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:14:02,540 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:14:02,629 INFO L443 ModelExtractionUtils]: Simplification made 36 calls to the SMT solver. [2022-07-22 03:14:02,629 INFO L444 ModelExtractionUtils]: 4 out of 52 variables were initially zero. Simplification set additionally 45 variables to zero. [2022-07-22 03:14:02,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:14:02,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:14:02,632 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2022-07-22 03:14:02,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-22 03:14:02,646 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:14:02,665 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 03:14:02,665 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:14:02,665 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_2, ULTIMATE.start_cstrncmp_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_2 - 1*ULTIMATE.start_cstrncmp_~s1#1.offset Supporting invariants [] [2022-07-22 03:14:02,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:02,782 INFO L293 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2022-07-22 03:14:02,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:14:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:14:02,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 03:14:02,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:14:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:14:02,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 03:14:02,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:14:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:14:02,909 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-22 03:14:02,910 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-07-22 03:14:02,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 29 transitions. Complement of second has 7 states. [2022-07-22 03:14:02,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 03:14:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-07-22 03:14:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-07-22 03:14:02,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 14 letters. Loop has 5 letters. [2022-07-22 03:14:02,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:14:02,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 5 letters. [2022-07-22 03:14:02,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:14:02,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 14 letters. Loop has 10 letters. [2022-07-22 03:14:02,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:14:02,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-07-22 03:14:02,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 03:14:02,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-07-22 03:14:02,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 03:14:02,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 03:14:02,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 03:14:02,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:14:02,941 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 03:14:02,941 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 03:14:02,941 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 03:14:02,941 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 03:14:02,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 03:14:02,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 03:14:02,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 03:14:02,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 03:14:02 BoogieIcfgContainer [2022-07-22 03:14:02,947 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 03:14:02,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 03:14:02,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 03:14:02,948 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 03:14:02,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:13:54" (3/4) ... [2022-07-22 03:14:02,951 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 03:14:02,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 03:14:02,951 INFO L158 Benchmark]: Toolchain (without parser) took 9177.37ms. Allocated memory was 56.6MB in the beginning and 100.7MB in the end (delta: 44.0MB). Free memory was 34.0MB in the beginning and 45.9MB in the end (delta: -11.9MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-07-22 03:14:02,952 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 03:14:02,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.30ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 32.7MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 03:14:02,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.30ms. Allocated memory is still 56.6MB. Free memory was 32.7MB in the beginning and 30.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 03:14:02,952 INFO L158 Benchmark]: Boogie Preprocessor took 47.18ms. Allocated memory is still 56.6MB. Free memory was 30.8MB in the beginning and 29.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 03:14:02,953 INFO L158 Benchmark]: RCFGBuilder took 397.37ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.3MB in the beginning and 43.4MB in the end (delta: -14.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-07-22 03:14:02,953 INFO L158 Benchmark]: BuchiAutomizer took 8175.55ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 43.4MB in the beginning and 45.9MB in the end (delta: -2.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-07-22 03:14:02,953 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 100.7MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 03:14:02,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.30ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 32.7MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.30ms. Allocated memory is still 56.6MB. Free memory was 32.7MB in the beginning and 30.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.18ms. Allocated memory is still 56.6MB. Free memory was 30.8MB in the beginning and 29.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.37ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.3MB in the beginning and 43.4MB in the end (delta: -14.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8175.55ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 43.4MB in the beginning and 45.9MB in the end (delta: -2.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 100.7MB. Free memory is still 45.9MB. There was no memory consumed. 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 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * nondetString2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[nondetString1] and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 163 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 85 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital213 mio100 ax110 hnf100 lsp81 ukn75 mio100 lsp49 div100 bol100 ite100 ukn100 eq177 hnf90 smp96 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 03:14:02,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 03:14:03,203 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