./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/invert_string-1.c --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/loops/invert_string-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3da85103e65fd13a584e838d8b961878044a0a70e09ad1788e3ca53a404f357 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:18:00,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:18:00,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:18:00,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:18:00,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:18:00,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:18:00,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:18:00,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:18:00,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:18:00,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:18:00,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:18:00,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:18:00,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:18:00,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:18:00,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:18:00,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:18:00,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:18:00,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:18:00,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:18:00,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:18:00,225 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:18:00,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:18:00,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:18:00,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:18:00,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:18:00,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:18:00,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:18:00,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:18:00,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:18:00,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:18:00,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:18:00,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:18:00,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:18:00,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:18:00,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:18:00,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:18:00,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:18:00,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:18:00,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:18:00,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:18:00,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:18:00,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:18:00,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:18:00,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:18:00,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:18:00,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:18:00,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:18:00,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:18:00,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:18:00,268 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:18:00,276 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:18:00,276 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:18:00,276 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:18:00,276 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:18:00,276 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:18:00,276 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:18:00,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:18:00,276 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:18:00,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:18:00,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:18:00,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:18:00,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:18:00,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:18:00,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:18:00,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:18:00,278 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:18:00,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:18:00,278 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:18:00,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:18:00,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:18:00,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:18:00,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:18:00,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:18:00,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:18:00,281 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:18:00,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3da85103e65fd13a584e838d8b961878044a0a70e09ad1788e3ca53a404f357 [2022-07-22 02:18:00,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:18:00,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:18:00,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:18:00,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:18:00,548 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:18:00,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-1.c [2022-07-22 02:18:00,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4223ed1ae/d1560b6d981d4755aae26affef4dfca0/FLAG1fd03ef77 [2022-07-22 02:18:00,950 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:18:00,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-1.c [2022-07-22 02:18:00,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4223ed1ae/d1560b6d981d4755aae26affef4dfca0/FLAG1fd03ef77 [2022-07-22 02:18:01,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4223ed1ae/d1560b6d981d4755aae26affef4dfca0 [2022-07-22 02:18:01,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:18:01,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:18:01,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:18:01,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:18:01,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:18:01,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753c9912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01, skipping insertion in model container [2022-07-22 02:18:01,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:18:01,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:18:01,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-1.c[352,365] [2022-07-22 02:18:01,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:18:01,530 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:18:01,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-1.c[352,365] [2022-07-22 02:18:01,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:18:01,582 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:18:01,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01 WrapperNode [2022-07-22 02:18:01,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:18:01,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:18:01,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:18:01,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:18:01,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,626 INFO L137 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-07-22 02:18:01,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:18:01,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:18:01,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:18:01,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:18:01,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:18:01,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:18:01,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:18:01,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:18:01,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (1/1) ... [2022-07-22 02:18:01,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:01,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:01,697 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 02:18:01,717 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 02:18:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:18:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:18:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 02:18:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 02:18:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:18:01,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:18:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 02:18:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 02:18:01,793 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:18:01,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:18:01,963 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:18:01,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:18:01,967 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 02:18:01,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:01 BoogieIcfgContainer [2022-07-22 02:18:01,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:18:01,970 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:18:01,970 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:18:01,971 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:18:01,979 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:01,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:18:01" (1/3) ... [2022-07-22 02:18:01,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18e2d4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:18:01, skipping insertion in model container [2022-07-22 02:18:01,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:01,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:18:01" (2/3) ... [2022-07-22 02:18:01,982 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18e2d4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:18:01, skipping insertion in model container [2022-07-22 02:18:01,982 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:18:01,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:01" (3/3) ... [2022-07-22 02:18:01,983 INFO L354 chiAutomizerObserver]: Analyzing ICFG invert_string-1.c [2022-07-22 02:18:02,031 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:18:02,031 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:18:02,031 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:18:02,031 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:18:02,031 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:18:02,031 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:18:02,032 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:18:02,032 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:18:02,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 02:18:02,046 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-22 02:18:02,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:02,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:02,054 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:18:02,054 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:02,055 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:18:02,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 02:18:02,057 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-07-22 02:18:02,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:02,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:02,057 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:18:02,058 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:02,062 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 13#L17true assume !!(main_~MAX~0#1 > 0); 14#L17-2true call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 17#L22-3true [2022-07-22 02:18:02,063 INFO L754 eck$LassoCheckResult]: Loop: 17#L22-3true assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 9#L22-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 17#L22-3true [2022-07-22 02:18:02,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:02,068 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-22 02:18:02,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:02,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721333197] [2022-07-22 02:18:02,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:02,178 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:02,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:02,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:02,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-22 02:18:02,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:02,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105176372] [2022-07-22 02:18:02,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:02,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:02,230 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:02,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:02,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-22 02:18:02,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:02,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601028051] [2022-07-22 02:18:02,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:02,275 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:02,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:02,736 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:02,737 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:02,737 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:02,737 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:02,737 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:02,737 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:02,737 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:02,737 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:02,737 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration1_Lasso [2022-07-22 02:18:02,737 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:02,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:02,751 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 02:18:02,755 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 02:18:02,758 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 02:18:02,760 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 02:18:02,764 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 02:18:02,766 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 02:18:02,769 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 02:18:02,771 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 02:18:02,774 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 02:18:02,778 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 02:18:02,781 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 02:18:03,019 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 02:18:03,020 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 02:18:03,023 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 02:18:03,024 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 02:18:03,026 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 02:18:03,307 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:03,310 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:03,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,313 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 02:18:03,314 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 02:18:03,317 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 02:18:03,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,347 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 02:18:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,349 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 02:18:03,350 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 02:18:03,351 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 02:18:03,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,382 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 02:18:03,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,384 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 02:18:03,390 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 02:18:03,391 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 02:18:03,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,447 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 02:18:03,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,449 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 02:18:03,450 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 02:18:03,451 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 02:18:03,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,501 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 02:18:03,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,502 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 02:18:03,503 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 02:18:03,504 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 02:18:03,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,541 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 02:18:03,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,542 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 02:18:03,543 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 02:18:03,544 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 02:18:03,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-22 02:18:03,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,569 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 02:18:03,570 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 02:18:03,571 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 02:18:03,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-22 02:18:03,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,608 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 02:18:03,608 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 02:18:03,610 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 02:18:03,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,646 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 02:18:03,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,647 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 02:18:03,648 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 02:18:03,649 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 02:18:03,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,709 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 02:18:03,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,711 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 02:18:03,712 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 02:18:03,713 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 02:18:03,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,759 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 02:18:03,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,761 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 02:18:03,762 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 02:18:03,763 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 02:18:03,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,799 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 02:18:03,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,800 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 02:18:03,801 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 02:18:03,802 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 02:18:03,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:03,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,837 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 02:18:03,838 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 02:18:03,840 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 02:18:03,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,867 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 02:18:03,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,869 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 02:18:03,877 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 02:18:03,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,895 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 02:18:03,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,922 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 02:18:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,924 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 02:18:03,928 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 02:18:03,928 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 02:18:03,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:03,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:03,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:03,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,951 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 02:18:03,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,952 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 02:18:03,955 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 02:18:03,955 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 02:18:03,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:03,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:03,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:03,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:03,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:03,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:03,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:03,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:03,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:03,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:03,992 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 02:18:03,993 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 02:18:03,994 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 02:18:04,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:04,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:04,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:04,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:04,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:04,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:04,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:04,037 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 02:18:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:04,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:04,039 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 02:18:04,044 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 02:18:04,045 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 02:18:04,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:04,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:04,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:04,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:04,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:04,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:04,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:04,078 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 02:18:04,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:04,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:04,079 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 02:18:04,081 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 02:18:04,081 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 02:18:04,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:04,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:04,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:04,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:04,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:04,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:04,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:04,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:04,118 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 02:18:04,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:04,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:04,120 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 02:18:04,121 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 02:18:04,122 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 02:18:04,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:04,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:04,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:04,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:04,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:04,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:04,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:04,155 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 02:18:04,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:04,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:04,157 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 02:18:04,157 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 02:18:04,160 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 02:18:04,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:04,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:04,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:04,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:04,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:04,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:04,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:04,186 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 02:18:04,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:04,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:04,188 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 02:18:04,188 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 02:18:04,190 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 02:18:04,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:04,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:04,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:04,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:04,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:04,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:04,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:04,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-22 02:18:04,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:04,230 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 02:18:04,230 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 02:18:04,231 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 02:18:04,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:04,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:04,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:04,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:04,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:04,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:04,255 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:04,291 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-07-22 02:18:04,292 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-22 02:18:04,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:04,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:04,295 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 02:18:04,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:04,304 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 02:18:04,315 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 02:18:04,316 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:04,316 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#str1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#str1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 Supporting invariants [] [2022-07-22 02:18:04,335 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 02:18:04,370 INFO L293 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-07-22 02:18:04,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:04,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 02:18:04,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:04,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:18:04,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:04,458 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 02:18:04,468 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 02:18:04,487 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 02:18:04,488 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 02:18:04,513 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 38 states and 55 transitions. Complement of second has 8 states. [2022-07-22 02:18:04,523 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 02:18:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 02:18:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-07-22 02:18:04,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 02:18:04,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:04,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-22 02:18:04,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:04,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-22 02:18:04,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:04,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2022-07-22 02:18:04,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-22 02:18:04,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 16 states and 21 transitions. [2022-07-22 02:18:04,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-22 02:18:04,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-22 02:18:04,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-07-22 02:18:04,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:18:04,548 INFO L369 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-07-22 02:18:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-07-22 02:18:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-22 02:18:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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 02:18:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-07-22 02:18:04,566 INFO L392 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-07-22 02:18:04,566 INFO L374 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-07-22 02:18:04,566 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:18:04,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-07-22 02:18:04,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-22 02:18:04,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:04,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:04,567 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 02:18:04,567 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:04,568 INFO L752 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 144#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 151#L17 assume !!(main_~MAX~0#1 > 0); 155#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 156#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 147#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 148#L29-3 [2022-07-22 02:18:04,568 INFO L754 eck$LassoCheckResult]: Loop: 148#L29-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem8#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int(main_#t~mem8#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 157#L29-2 main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 148#L29-3 [2022-07-22 02:18:04,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:04,571 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-22 02:18:04,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:04,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676410698] [2022-07-22 02:18:04,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:04,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:04,626 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 02:18:04,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:18:04,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676410698] [2022-07-22 02:18:04,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676410698] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:18:04,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:18:04,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 02:18:04,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2419126] [2022-07-22 02:18:04,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:18:04,629 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:18:04,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:04,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2022-07-22 02:18:04,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:04,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604723947] [2022-07-22 02:18:04,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:04,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,636 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:04,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:18:04,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 02:18:04,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 02:18:04,697 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 02:18:04,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:18:04,718 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-07-22 02:18:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 02:18:04,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2022-07-22 02:18:04,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:04,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2022-07-22 02:18:04,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-22 02:18:04,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-22 02:18:04,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-07-22 02:18:04,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:18:04,720 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-07-22 02:18:04,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-07-22 02:18:04,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-07-22 02:18:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 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 02:18:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-07-22 02:18:04,721 INFO L392 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-22 02:18:04,722 INFO L374 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-22 02:18:04,722 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 02:18:04,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-07-22 02:18:04,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-22 02:18:04,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:04,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:04,722 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:04,722 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:18:04,722 INFO L752 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 194#L17 assume !!(main_~MAX~0#1 > 0); 199#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 200#L22-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 195#L22-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 196#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 192#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 193#L29-3 [2022-07-22 02:18:04,722 INFO L754 eck$LassoCheckResult]: Loop: 193#L29-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem8#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int(main_#t~mem8#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 201#L29-2 main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 193#L29-3 [2022-07-22 02:18:04,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-07-22 02:18:04,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:04,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749929837] [2022-07-22 02:18:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,741 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:04,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:04,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2022-07-22 02:18:04,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:04,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985770577] [2022-07-22 02:18:04,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:04,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,760 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:04,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:04,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2022-07-22 02:18:04,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:04,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164868878] [2022-07-22 02:18:04,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,779 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:04,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:05,252 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:05,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:05,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:05,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:05,252 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:05,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:05,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:05,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:05,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration3_Lasso [2022-07-22 02:18:05,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:05,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:05,254 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 02:18:05,256 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 02:18:05,565 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 02:18:05,566 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 02:18:05,568 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 02:18:05,570 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 02:18:05,571 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 02:18:05,572 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 02:18:05,574 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 02:18:05,575 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 02:18:05,577 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 02:18:05,578 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 02:18:05,580 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 02:18:05,581 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 02:18:05,583 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 02:18:05,836 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:05,836 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:05,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:05,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:05,838 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 02:18:05,850 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 02:18:05,853 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 02:18:05,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:05,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:05,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:05,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:05,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:05,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:05,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:05,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:05,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-22 02:18:05,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:05,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:05,881 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 02:18:05,886 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 02:18:05,887 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 02:18:05,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:05,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:05,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:05,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:05,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:05,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:05,927 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:05,957 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-07-22 02:18:05,957 INFO L444 ModelExtractionUtils]: 1 out of 25 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-07-22 02:18:05,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:05,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:05,959 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 02:18:05,960 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 02:18:05,961 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:05,982 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 02:18:05,982 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:05,982 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~#str2~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2 - 1*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~#str2~0#1.offset Supporting invariants [] [2022-07-22 02:18:06,004 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 02:18:06,032 INFO L293 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-07-22 02:18:06,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:06,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 02:18:06,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:06,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:18:06,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:06,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:06,126 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 02:18:06,126 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 02:18:06,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 02:18:06,137 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 19 states and 23 transitions. Complement of second has 5 states. [2022-07-22 02:18:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 02:18:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 02:18:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-07-22 02:18:06,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 02:18:06,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:06,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 02:18:06,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:06,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-22 02:18:06,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:06,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-07-22 02:18:06,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 02:18:06,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2022-07-22 02:18:06,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-07-22 02:18:06,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-22 02:18:06,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-07-22 02:18:06,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:18:06,145 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-07-22 02:18:06,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-07-22 02:18:06,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-07-22 02:18:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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 02:18:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-07-22 02:18:06,148 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-07-22 02:18:06,148 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-07-22 02:18:06,148 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 02:18:06,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2022-07-22 02:18:06,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 02:18:06,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:06,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:06,149 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:06,149 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 02:18:06,149 INFO L752 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 339#L17 assume !!(main_~MAX~0#1 > 0); 344#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 345#L22-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 340#L22-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 341#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 337#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 338#L29-3 assume !(main_~i~0#1 >= 0); 335#L29-4 main_~j~0#1 := main_~MAX~0#1 - 1;main_~i~0#1 := 0; 336#L35-3 [2022-07-22 02:18:06,150 INFO L754 eck$LassoCheckResult]: Loop: 336#L35-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call main_#t~mem11#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem11#1 == main_#t~mem12#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 342#L7 assume !(0 == __VERIFIER_assert_~cond#1); 343#L7-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~j~0#1;main_~j~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; 349#L35-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 336#L35-3 [2022-07-22 02:18:06,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:06,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811625, now seen corresponding path program 1 times [2022-07-22 02:18:06,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:06,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370600354] [2022-07-22 02:18:06,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:06,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:06,189 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 02:18:06,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:18:06,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370600354] [2022-07-22 02:18:06,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370600354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:18:06,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:18:06,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 02:18:06,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926395488] [2022-07-22 02:18:06,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:18:06,190 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:18:06,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:06,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2315850, now seen corresponding path program 1 times [2022-07-22 02:18:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:06,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422568330] [2022-07-22 02:18:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:06,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,209 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:06,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:18:06,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 02:18:06,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 02:18:06,284 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 02:18:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:18:06,305 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-07-22 02:18:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 02:18:06,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2022-07-22 02:18:06,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 02:18:06,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2022-07-22 02:18:06,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-22 02:18:06,306 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-07-22 02:18:06,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2022-07-22 02:18:06,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:18:06,307 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-22 02:18:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2022-07-22 02:18:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-07-22 02:18:06,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 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 02:18:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-07-22 02:18:06,308 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-22 02:18:06,308 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-22 02:18:06,308 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 02:18:06,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2022-07-22 02:18:06,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 02:18:06,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:18:06,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:18:06,309 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:18:06,309 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 02:18:06,310 INFO L752 eck$LassoCheckResult]: Stem: 376#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 382#L17 assume !!(main_~MAX~0#1 > 0); 387#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 388#L22-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 383#L22-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 384#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 380#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 381#L29-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem8#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int(main_#t~mem8#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 391#L29-2 main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 389#L29-3 assume !(main_~i~0#1 >= 0); 378#L29-4 main_~j~0#1 := main_~MAX~0#1 - 1;main_~i~0#1 := 0; 379#L35-3 [2022-07-22 02:18:06,310 INFO L754 eck$LassoCheckResult]: Loop: 379#L35-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call main_#t~mem11#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem11#1 == main_#t~mem12#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 385#L7 assume !(0 == __VERIFIER_assert_~cond#1); 386#L7-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~j~0#1;main_~j~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; 392#L35-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 379#L35-3 [2022-07-22 02:18:06,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:06,310 INFO L85 PathProgramCache]: Analyzing trace with hash -357814151, now seen corresponding path program 1 times [2022-07-22 02:18:06,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:06,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059316412] [2022-07-22 02:18:06,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:06,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,327 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:06,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:06,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2315850, now seen corresponding path program 2 times [2022-07-22 02:18:06,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:06,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809079793] [2022-07-22 02:18:06,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:06,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,346 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:06,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:06,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1607633602, now seen corresponding path program 1 times [2022-07-22 02:18:06,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:18:06,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549773239] [2022-07-22 02:18:06,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:18:06,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:18:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,379 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:18:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:18:06,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:18:07,140 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:18:07,140 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:18:07,140 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:18:07,140 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:18:07,140 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:18:07,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:07,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:18:07,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:18:07,141 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration5_Lasso [2022-07-22 02:18:07,141 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:18:07,141 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:18:07,143 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 02:18:07,145 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 02:18:07,147 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 02:18:07,149 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 02:18:07,151 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 02:18:07,152 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 02:18:07,153 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 02:18:07,155 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 02:18:07,158 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 02:18:07,160 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 02:18:07,558 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 02:18:07,559 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 02:18:07,562 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 02:18:07,563 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 02:18:07,564 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 02:18:07,567 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 02:18:07,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:18:07,826 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:18:07,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:07,828 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 02:18:07,829 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 02:18:07,830 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 02:18:07,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:07,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:07,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:07,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:07,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:07,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:07,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:07,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:07,854 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 02:18:07,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:07,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:07,855 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 02:18:07,856 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 02:18:07,857 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 02:18:07,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:07,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:07,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:07,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:07,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:07,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:07,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:07,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-22 02:18:07,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:07,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:07,885 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 02:18:07,885 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 02:18:07,886 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 02:18:07,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:07,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:07,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:07,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:07,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:07,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:07,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:07,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:07,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-22 02:18:07,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:07,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:07,910 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 02:18:07,911 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 02:18:07,912 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 02:18:07,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:07,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:07,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:07,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:07,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:07,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:07,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:07,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:07,939 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 02:18:07,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:07,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:07,940 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 02:18:07,941 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 02:18:07,942 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 02:18:07,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:07,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:07,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:07,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:07,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:07,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:07,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:07,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:07,975 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 02:18:07,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:07,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:07,976 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 02:18:07,977 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 02:18:07,978 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 02:18:07,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:07,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:07,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:07,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:07,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:07,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:07,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:07,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-22 02:18:08,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,002 INFO L229 MonitoredProcess]: Starting monitored process 35 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 02:18:08,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-22 02:18:08,004 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 02:18:08,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,037 INFO L229 MonitoredProcess]: Starting monitored process 36 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 02:18:08,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-22 02:18:08,038 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 02:18:08,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:08,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:08,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:08,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-22 02:18:08,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,063 INFO L229 MonitoredProcess]: Starting monitored process 37 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 02:18:08,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-22 02:18:08,065 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 02:18:08,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:18:08,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:18:08,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:18:08,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-22 02:18:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,096 INFO L229 MonitoredProcess]: Starting monitored process 38 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 02:18:08,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-22 02:18:08,098 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 02:18:08,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,143 INFO L229 MonitoredProcess]: Starting monitored process 39 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 02:18:08,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-22 02:18:08,144 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 02:18:08,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-22 02:18:08,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,177 INFO L229 MonitoredProcess]: Starting monitored process 40 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 02:18:08,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-22 02:18:08,179 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 02:18:08,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,214 INFO L229 MonitoredProcess]: Starting monitored process 41 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 02:18:08,220 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 02:18:08,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 02:18:08,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,256 INFO L229 MonitoredProcess]: Starting monitored process 42 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 02:18:08,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-22 02:18:08,262 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 02:18:08,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-22 02:18:08,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,290 INFO L229 MonitoredProcess]: Starting monitored process 43 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 02:18:08,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-22 02:18:08,292 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 02:18:08,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,318 INFO L229 MonitoredProcess]: Starting monitored process 44 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 02:18:08,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-22 02:18:08,320 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 02:18:08,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-22 02:18:08,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,346 INFO L229 MonitoredProcess]: Starting monitored process 45 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 02:18:08,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-22 02:18:08,348 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 02:18:08,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-22 02:18:08,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,382 INFO L229 MonitoredProcess]: Starting monitored process 46 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 02:18:08,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-22 02:18:08,386 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 02:18:08,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,419 INFO L229 MonitoredProcess]: Starting monitored process 47 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 02:18:08,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-22 02:18:08,421 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 02:18:08,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-22 02:18:08,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,461 INFO L229 MonitoredProcess]: Starting monitored process 48 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 02:18:08,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-22 02:18:08,463 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 02:18:08,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:18:08,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,501 INFO L229 MonitoredProcess]: Starting monitored process 49 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 02:18:08,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-22 02:18:08,502 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 02:18:08,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:18:08,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:18:08,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:18:08,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:18:08,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:18:08,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:18:08,532 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:18:08,545 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-07-22 02:18:08,545 INFO L444 ModelExtractionUtils]: 8 out of 25 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-07-22 02:18:08,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:18:08,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:18:08,547 INFO L229 MonitoredProcess]: Starting monitored process 50 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 02:18:08,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-22 02:18:08,549 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:18:08,570 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 02:18:08,570 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:18:08,570 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_3, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~#str2~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_3 + 2*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~#str2~0#1.offset Supporting invariants [] [2022-07-22 02:18:08,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-22 02:18:08,627 INFO L293 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-07-22 02:18:08,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:18:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:08,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 02:18:08,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:18:08,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:18:08,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:18:08,709 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 02:18:08,709 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-22 02:18:08,710 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:08,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 25 transitions. Complement of second has 6 states. [2022-07-22 02:18:08,717 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 02:18:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:18:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-07-22 02:18:08,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2022-07-22 02:18:08,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:08,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-22 02:18:08,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:08,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 12 letters. Loop has 8 letters. [2022-07-22 02:18:08,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:18:08,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2022-07-22 02:18:08,719 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:18:08,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-07-22 02:18:08,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 02:18:08,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 02:18:08,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 02:18:08,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:18:08,719 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:18:08,720 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:18:08,720 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:18:08,720 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 02:18:08,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 02:18:08,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:18:08,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 02:18:08,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:18:08 BoogieIcfgContainer [2022-07-22 02:18:08,724 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:18:08,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:18:08,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:18:08,725 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:18:08,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:18:01" (3/4) ... [2022-07-22 02:18:08,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 02:18:08,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:18:08,727 INFO L158 Benchmark]: Toolchain (without parser) took 7343.05ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 44.8MB in the beginning and 54.6MB in the end (delta: -9.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-07-22 02:18:08,727 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:18:08,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.22ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 64.4MB in the end (delta: -19.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 02:18:08,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.31ms. Allocated memory is still 79.7MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:18:08,728 INFO L158 Benchmark]: Boogie Preprocessor took 33.43ms. Allocated memory is still 79.7MB. Free memory was 62.6MB in the beginning and 61.6MB in the end (delta: 979.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:18:08,728 INFO L158 Benchmark]: RCFGBuilder took 306.12ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 50.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:18:08,728 INFO L158 Benchmark]: BuchiAutomizer took 6754.82ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 50.9MB in the beginning and 54.6MB in the end (delta: -3.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-07-22 02:18:08,728 INFO L158 Benchmark]: Witness Printer took 2.11ms. Allocated memory is still 96.5MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:18:08,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.22ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 64.4MB in the end (delta: -19.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.31ms. Allocated memory is still 79.7MB. Free memory was 64.4MB in the beginning and 62.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.43ms. Allocated memory is still 79.7MB. Free memory was 62.6MB in the beginning and 61.6MB in the end (delta: 979.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.12ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 50.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6754.82ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 50.9MB in the beginning and 54.6MB in the end (delta: -3.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Witness Printer took 2.11ms. Allocated memory is still 96.5MB. Free memory is still 54.6MB. 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 -1 * str1 + -1 * i + unknown-#length-unknown[str1] and consists of 5 locations. One deterministic module has affine ranking function -1 * j + unknown-#length-unknown[str2] + -1 * str2 and consists of 3 locations. One deterministic module has affine ranking function 2 * j + 2 * str2 + unknown-#length-unknown[str2] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 6.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 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, 66 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 44 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax100 hnf100 lsp94 ukn79 mio100 lsp43 div152 bol100 ite100 ukn100 eq165 hnf93 smp83 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 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 02:18:08,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-22 02:18:08,964 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