./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/lis-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/lis-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:33:06,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:33:06,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:33:06,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:33:06,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:33:06,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:33:06,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:33:06,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:33:06,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:33:06,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:33:06,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:33:06,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:33:06,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:33:06,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:33:06,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:33:06,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:33:06,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:33:06,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:33:06,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:33:06,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:33:06,304 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:33:06,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:33:06,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:33:06,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:33:06,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:33:06,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:33:06,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:33:06,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:33:06,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:33:06,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:33:06,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:33:06,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:33:06,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:33:06,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:33:06,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:33:06,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:33:06,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:33:06,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:33:06,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:33:06,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:33:06,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:33:06,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:33:06,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:33:06,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:33:06,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:33:06,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:33:06,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:33:06,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:33:06,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:33:06,361 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:33:06,362 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:33:06,362 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:33:06,363 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:33:06,363 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:33:06,363 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:33:06,363 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:33:06,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:33:06,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:33:06,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:33:06,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:33:06,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:33:06,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:33:06,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:33:06,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:33:06,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:33:06,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:33:06,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:33:06,366 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:33:06,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:33:06,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:33:06,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:33:06,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:33:06,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:33:06,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:33:06,369 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:33:06,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf [2022-07-14 16:33:06,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:33:06,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:33:06,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:33:06,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:33:06,608 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:33:06,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2022-07-14 16:33:06,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea52f4764/1f130e63b9f847ffa71c5a331865586c/FLAGad9e68a07 [2022-07-14 16:33:07,136 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:33:07,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2022-07-14 16:33:07,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea52f4764/1f130e63b9f847ffa71c5a331865586c/FLAGad9e68a07 [2022-07-14 16:33:07,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea52f4764/1f130e63b9f847ffa71c5a331865586c [2022-07-14 16:33:07,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:33:07,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:33:07,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:33:07,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:33:07,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:33:07,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:07" (1/1) ... [2022-07-14 16:33:07,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f43126b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:07, skipping insertion in model container [2022-07-14 16:33:07,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:07" (1/1) ... [2022-07-14 16:33:07,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:33:07,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:33:07,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:33:07,977 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:33:08,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:33:08,046 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:33:08,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08 WrapperNode [2022-07-14 16:33:08,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:33:08,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:33:08,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:33:08,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:33:08,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,103 INFO L137 Inliner]: procedures = 116, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2022-07-14 16:33:08,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:33:08,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:33:08,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:33:08,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:33:08,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:33:08,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:33:08,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:33:08,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:33:08,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (1/1) ... [2022-07-14 16:33:08,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:08,166 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) [2022-07-14 16:33:08,172 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 [2022-07-14 16:33:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 16:33:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 16:33:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 16:33:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 16:33:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:33:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:33:08,268 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:33:08,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:33:08,485 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:33:08,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:33:08,491 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-14 16:33:08,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:08 BoogieIcfgContainer [2022-07-14 16:33:08,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:33:08,494 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:33:08,494 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:33:08,497 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:33:08,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:08,526 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:33:07" (1/3) ... [2022-07-14 16:33:08,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b3117a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:33:08, skipping insertion in model container [2022-07-14 16:33:08,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:08,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:08" (2/3) ... [2022-07-14 16:33:08,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b3117a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:33:08, skipping insertion in model container [2022-07-14 16:33:08,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:33:08,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:33:08" (3/3) ... [2022-07-14 16:33:08,530 INFO L354 chiAutomizerObserver]: Analyzing ICFG lis-alloca-1.i [2022-07-14 16:33:08,595 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:33:08,595 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:33:08,595 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:33:08,595 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:33:08,596 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:33:08,596 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:33:08,596 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:33:08,596 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:33:08,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2022-07-14 16:33:08,622 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2022-07-14 16:33:08,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:08,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:08,628 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 16:33:08,628 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:08,628 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:33:08,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2022-07-14 16:33:08,634 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2022-07-14 16:33:08,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:08,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:08,634 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-14 16:33:08,635 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:08,642 INFO L752 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 10#L530true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 6#L530-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 3#L535-3true [2022-07-14 16:33:08,643 INFO L754 eck$LassoCheckResult]: Loop: 3#L535-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 16#L535-2true main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 3#L535-3true [2022-07-14 16:33:08,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:08,658 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-14 16:33:08,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:08,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508739626] [2022-07-14 16:33:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:08,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:08,741 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:08,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:08,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:08,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-14 16:33:08,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:08,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721122778] [2022-07-14 16:33:08,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:08,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:08,813 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:08,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:08,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-14 16:33:08,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:08,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266099353] [2022-07-14 16:33:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:08,873 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:08,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:09,191 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:09,192 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:09,192 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:09,192 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:09,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:09,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:09,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:09,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:09,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration1_Lasso [2022-07-14 16:33:09,193 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:09,193 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:09,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:09,666 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:09,671 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:09,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:09,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:09,679 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) [2022-07-14 16:33:09,686 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 [2022-07-14 16:33:09,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:09,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:09,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:09,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:09,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:09,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:09,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:09,703 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 [2022-07-14 16:33:09,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:09,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-14 16:33:09,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:09,741 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) [2022-07-14 16:33:09,743 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 [2022-07-14 16:33:09,745 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 [2022-07-14 16:33:09,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:09,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:09,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:09,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:09,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:09,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:09,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:09,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-14 16:33:09,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:09,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:09,800 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) [2022-07-14 16:33:09,801 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 [2022-07-14 16:33:09,803 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 [2022-07-14 16:33:09,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:09,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:09,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:09,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:09,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:09,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:09,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:09,858 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 [2022-07-14 16:33:09,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:09,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:09,860 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) [2022-07-14 16:33:09,866 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 [2022-07-14 16:33:09,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:09,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:09,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:09,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:09,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:09,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:09,880 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 [2022-07-14 16:33:09,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:09,907 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 [2022-07-14 16:33:09,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:09,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:09,910 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) [2022-07-14 16:33:09,918 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 [2022-07-14 16:33:09,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:09,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:09,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:09,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:09,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:09,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:09,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:09,929 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 [2022-07-14 16:33:09,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:09,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:09,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:09,967 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) [2022-07-14 16:33:09,971 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 [2022-07-14 16:33:09,972 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 [2022-07-14 16:33:09,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:09,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:09,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:09,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:09,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:09,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:09,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:09,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:10,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:10,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:10,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:10,024 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) [2022-07-14 16:33:10,027 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 [2022-07-14 16:33:10,028 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 [2022-07-14 16:33:10,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:10,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:10,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:10,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:10,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:10,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:10,059 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:10,121 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-07-14 16:33:10,122 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-07-14 16:33:10,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:10,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:10,125 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) [2022-07-14 16:33:10,127 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 [2022-07-14 16:33:10,128 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:10,168 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 16:33:10,168 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:10,169 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-07-14 16:33:10,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:10,207 INFO L293 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-07-14 16:33:10,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:10,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 16:33:10,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:10,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 16:33:10,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:10,406 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-14 16:33:10,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 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) [2022-07-14 16:33:10,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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 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) Result 47 states and 74 transitions. Complement of second has 9 states. [2022-07-14 16:33:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:33:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-07-14 16:33:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2022-07-14 16:33:10,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-14 16:33:10,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:10,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-14 16:33:10,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:10,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-14 16:33:10,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:10,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 74 transitions. [2022-07-14 16:33:10,489 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-14 16:33:10,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 21 states and 33 transitions. [2022-07-14 16:33:10,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-14 16:33:10,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-14 16:33:10,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 33 transitions. [2022-07-14 16:33:10,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:10,495 INFO L369 hiAutomatonCegarLoop]: Abstraction has 21 states and 33 transitions. [2022-07-14 16:33:10,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 33 transitions. [2022-07-14 16:33:10,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-07-14 16:33:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 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) [2022-07-14 16:33:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 33 transitions. [2022-07-14 16:33:10,518 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 33 transitions. [2022-07-14 16:33:10,518 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2022-07-14 16:33:10,518 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:33:10,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 33 transitions. [2022-07-14 16:33:10,519 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-14 16:33:10,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:10,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:10,520 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 16:33:10,520 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:10,520 INFO L752 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 155#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 151#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 142#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 144#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 157#L517-3 [2022-07-14 16:33:10,521 INFO L754 eck$LassoCheckResult]: Loop: 157#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 156#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 157#L517-3 [2022-07-14 16:33:10,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:10,521 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-14 16:33:10,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:10,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680297991] [2022-07-14 16:33:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:10,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:10,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:10,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:33:10,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680297991] [2022-07-14 16:33:10,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680297991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:33:10,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:33:10,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 16:33:10,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118445004] [2022-07-14 16:33:10,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:33:10,582 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:33:10,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:10,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2022-07-14 16:33:10,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:10,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931625400] [2022-07-14 16:33:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,602 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:10,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:33:10,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 16:33:10,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-14 16:33:10,710 INFO L87 Difference]: Start difference. First operand 21 states and 33 transitions. cyclomatic complexity: 16 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) [2022-07-14 16:33:10,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:33:10,737 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2022-07-14 16:33:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 16:33:10,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2022-07-14 16:33:10,742 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-14 16:33:10,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 30 transitions. [2022-07-14 16:33:10,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-14 16:33:10,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-14 16:33:10,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2022-07-14 16:33:10,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:10,749 INFO L369 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-07-14 16:33:10,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2022-07-14 16:33:10,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-07-14 16:33:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 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) [2022-07-14 16:33:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2022-07-14 16:33:10,752 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-07-14 16:33:10,752 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-07-14 16:33:10,753 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 16:33:10,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2022-07-14 16:33:10,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-14 16:33:10,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:10,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:10,755 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:10,755 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:10,755 INFO L752 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 205#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 201#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 192#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 193#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 194#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 195#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 207#L517-3 [2022-07-14 16:33:10,755 INFO L754 eck$LassoCheckResult]: Loop: 207#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 206#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 207#L517-3 [2022-07-14 16:33:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:10,759 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-07-14 16:33:10,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:10,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508751221] [2022-07-14 16:33:10,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:10,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,799 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:10,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:10,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2022-07-14 16:33:10,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:10,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983124881] [2022-07-14 16:33:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:10,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,840 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:10,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:10,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2022-07-14 16:33:10,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:10,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723263544] [2022-07-14 16:33:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:10,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,880 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:10,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:10,938 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 [2022-07-14 16:33:11,610 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:11,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:11,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:11,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:11,610 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:11,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:11,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:11,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:11,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration3_Lasso [2022-07-14 16:33:11,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:11,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:11,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:11,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:12,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:12,664 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:12,664 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:12,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:12,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:12,673 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) [2022-07-14 16:33:12,680 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 [2022-07-14 16:33:12,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:12,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:12,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:12,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:12,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:12,693 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 [2022-07-14 16:33:12,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:12,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:12,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:12,736 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 [2022-07-14 16:33:12,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:12,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:12,738 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) [2022-07-14 16:33:12,748 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 [2022-07-14 16:33:12,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:12,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:12,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:12,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:12,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:12,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:12,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:12,760 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 [2022-07-14 16:33:12,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:12,793 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 [2022-07-14 16:33:12,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:12,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:12,795 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) [2022-07-14 16:33:12,800 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 [2022-07-14 16:33:12,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:12,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:12,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:12,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:12,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:12,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:12,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:12,810 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 [2022-07-14 16:33:12,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:12,841 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 [2022-07-14 16:33:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:12,842 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) [2022-07-14 16:33:12,846 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 [2022-07-14 16:33:12,847 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 [2022-07-14 16:33:12,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:12,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:12,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:12,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:12,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:12,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:12,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:12,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:12,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-14 16:33:12,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:12,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:12,888 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) [2022-07-14 16:33:12,889 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 [2022-07-14 16:33:12,890 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 [2022-07-14 16:33:12,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:12,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:12,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:12,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:12,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:12,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:12,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:12,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:12,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-14 16:33:12,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:12,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:12,916 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) [2022-07-14 16:33:12,917 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 [2022-07-14 16:33:12,927 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 [2022-07-14 16:33:12,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:12,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:12,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:12,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:12,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:12,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:12,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:12,986 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 [2022-07-14 16:33:12,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:12,987 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) [2022-07-14 16:33:12,993 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 [2022-07-14 16:33:12,994 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 [2022-07-14 16:33:13,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,041 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 [2022-07-14 16:33:13,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,043 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) [2022-07-14 16:33:13,047 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 [2022-07-14 16:33:13,048 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 [2022-07-14 16:33:13,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:13,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:13,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,097 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 [2022-07-14 16:33:13,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,099 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) [2022-07-14 16:33:13,106 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 [2022-07-14 16:33:13,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,116 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 [2022-07-14 16:33:13,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,154 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 [2022-07-14 16:33:13,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,155 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) [2022-07-14 16:33:13,162 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 [2022-07-14 16:33:13,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,172 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 [2022-07-14 16:33:13,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:13,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,209 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) [2022-07-14 16:33:13,212 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 [2022-07-14 16:33:13,213 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 [2022-07-14 16:33:13,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,238 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 [2022-07-14 16:33:13,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,240 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) [2022-07-14 16:33:13,241 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 [2022-07-14 16:33:13,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:33:13,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,266 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 [2022-07-14 16:33:13,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,268 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) [2022-07-14 16:33:13,269 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 [2022-07-14 16:33:13,270 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 [2022-07-14 16:33:13,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:13,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:13,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:13,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,334 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) [2022-07-14 16:33:13,340 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 [2022-07-14 16:33:13,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,350 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 [2022-07-14 16:33:13,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:13,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,390 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) [2022-07-14 16:33:13,392 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 [2022-07-14 16:33:13,395 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 [2022-07-14 16:33:13,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-14 16:33:13,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,443 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) [2022-07-14 16:33:13,448 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 [2022-07-14 16:33:13,451 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 [2022-07-14 16:33:13,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:13,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:13,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,498 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 [2022-07-14 16:33:13,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,503 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) [2022-07-14 16:33:13,508 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 [2022-07-14 16:33:13,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,520 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 [2022-07-14 16:33:13,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,536 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 [2022-07-14 16:33:13,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,540 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) [2022-07-14 16:33:13,541 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 [2022-07-14 16:33:13,544 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 [2022-07-14 16:33:13,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,593 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 [2022-07-14 16:33:13,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,595 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) [2022-07-14 16:33:13,599 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 [2022-07-14 16:33:13,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:13,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:13,613 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 [2022-07-14 16:33:13,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-14 16:33:13,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,639 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) [2022-07-14 16:33:13,640 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 [2022-07-14 16:33:13,642 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 [2022-07-14 16:33:13,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,665 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 [2022-07-14 16:33:13,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,667 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) [2022-07-14 16:33:13,667 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 [2022-07-14 16:33:13,669 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 [2022-07-14 16:33:13,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,692 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 [2022-07-14 16:33:13,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,694 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) [2022-07-14 16:33:13,695 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 [2022-07-14 16:33:13,740 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 [2022-07-14 16:33:13,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:13,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,771 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) [2022-07-14 16:33:13,771 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 [2022-07-14 16:33:13,773 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 [2022-07-14 16:33:13,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:13,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,801 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) [2022-07-14 16:33:13,801 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 [2022-07-14 16:33:13,802 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 [2022-07-14 16:33:13,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:13,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:13,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-14 16:33:13,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,854 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) [2022-07-14 16:33:13,854 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 [2022-07-14 16:33:13,855 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 [2022-07-14 16:33:13,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:13,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:13,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,884 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 [2022-07-14 16:33:13,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,885 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) [2022-07-14 16:33:13,886 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 [2022-07-14 16:33:13,887 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 [2022-07-14 16:33:13,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:13,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:13,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,943 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 [2022-07-14 16:33:13,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,944 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) [2022-07-14 16:33:13,947 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 [2022-07-14 16:33:13,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:13,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:13,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:13,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:13,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:13,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:13,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:13,957 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 [2022-07-14 16:33:13,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:13,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:13,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:13,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:13,999 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) [2022-07-14 16:33:14,004 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 [2022-07-14 16:33:14,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:14,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:14,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:14,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:14,011 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 [2022-07-14 16:33:14,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:14,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:14,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:14,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:14,044 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) [2022-07-14 16:33:14,046 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 [2022-07-14 16:33:14,048 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 [2022-07-14 16:33:14,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:14,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:14,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:14,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:14,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:14,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:14,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:14,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-14 16:33:14,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:14,080 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) [2022-07-14 16:33:14,081 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 [2022-07-14 16:33:14,081 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 [2022-07-14 16:33:14,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:14,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:14,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:14,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:14,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:14,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:14,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:14,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:14,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:14,141 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) [2022-07-14 16:33:14,145 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 [2022-07-14 16:33:14,145 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 [2022-07-14 16:33:14,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:14,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:14,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:14,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:14,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:14,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:14,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:14,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:14,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-14 16:33:14,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:14,170 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) [2022-07-14 16:33:14,171 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 [2022-07-14 16:33:14,172 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 [2022-07-14 16:33:14,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:14,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:14,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:14,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:14,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:14,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:14,219 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:14,332 INFO L443 ModelExtractionUtils]: Simplification made 45 calls to the SMT solver. [2022-07-14 16:33:14,332 INFO L444 ModelExtractionUtils]: 9 out of 61 variables were initially zero. Simplification set additionally 47 variables to zero. [2022-07-14 16:33:14,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:14,336 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) [2022-07-14 16:33:14,344 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:14,352 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 [2022-07-14 16:33:14,368 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 16:33:14,368 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:14,369 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~i~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_lis_~N#1 + 1 >= 0] [2022-07-14 16:33:14,392 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 [2022-07-14 16:33:14,453 INFO L293 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2022-07-14 16:33:14,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:14,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:14,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:14,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 16:33:14,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:14,580 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-07-14 16:33:14,580 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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) [2022-07-14 16:33:14,688 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 38 states and 53 transitions. Complement of second has 13 states. [2022-07-14 16:33:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-07-14 16:33:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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) [2022-07-14 16:33:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 23 transitions. [2022-07-14 16:33:14,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-14 16:33:14,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:14,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-14 16:33:14,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:14,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-14 16:33:14,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:14,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2022-07-14 16:33:14,691 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-14 16:33:14,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 36 states and 49 transitions. [2022-07-14 16:33:14,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-07-14 16:33:14,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-07-14 16:33:14,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2022-07-14 16:33:14,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:33:14,694 INFO L369 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2022-07-14 16:33:14,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2022-07-14 16:33:14,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2022-07-14 16:33:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 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) [2022-07-14 16:33:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2022-07-14 16:33:14,697 INFO L392 hiAutomatonCegarLoop]: Abstraction has 31 states and 43 transitions. [2022-07-14 16:33:14,697 INFO L374 stractBuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2022-07-14 16:33:14,697 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 16:33:14,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2022-07-14 16:33:14,698 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-14 16:33:14,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:14,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:14,699 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:14,699 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:33:14,699 INFO L752 eck$LassoCheckResult]: Stem: 423#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 433#L530 assume main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911;main_~array_size~0#1 := 1; 439#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 448#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 447#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 446#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 445#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 444#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 443#L517-4 lis_~i~0#1 := 1; 432#L519-3 [2022-07-14 16:33:14,699 INFO L754 eck$LassoCheckResult]: Loop: 432#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 425#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 426#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 432#L519-3 [2022-07-14 16:33:14,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:14,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1090464999, now seen corresponding path program 1 times [2022-07-14 16:33:14,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:14,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831489043] [2022-07-14 16:33:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-14 16:33:14,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:33:14,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831489043] [2022-07-14 16:33:14,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831489043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:33:14,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:33:14,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 16:33:14,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12530709] [2022-07-14 16:33:14,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:33:14,737 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-14 16:33:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash 74687, now seen corresponding path program 1 times [2022-07-14 16:33:14,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:14,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474091236] [2022-07-14 16:33:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:14,748 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:14,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:14,792 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:14,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:14,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:14,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:14,793 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:33:14,793 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,793 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:14,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:14,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration4_Loop [2022-07-14 16:33:14,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:14,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:14,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:14,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:14,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:14,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:14,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:14,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:14,844 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:14,845 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:33:14,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:14,847 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) [2022-07-14 16:33:14,848 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 [2022-07-14 16:33:14,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:33:14,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:33:14,884 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 [2022-07-14 16:33:14,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:14,885 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) [2022-07-14 16:33:14,885 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 [2022-07-14 16:33:14,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:33:14,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:33:14,998 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-14 16:33:15,002 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 [2022-07-14 16:33:15,002 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:15,002 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:15,002 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:15,002 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:15,002 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:15,002 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:15,002 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:15,002 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:15,002 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration4_Loop [2022-07-14 16:33:15,002 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:15,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:15,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:15,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:15,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:15,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:15,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:15,050 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:15,050 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:15,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:15,052 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) [2022-07-14 16:33:15,052 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 [2022-07-14 16:33:15,053 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 [2022-07-14 16:33:15,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:15,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:15,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:15,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:15,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:15,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:15,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:15,062 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:15,065 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-14 16:33:15,065 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-14 16:33:15,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:15,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:15,066 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) [2022-07-14 16:33:15,069 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 [2022-07-14 16:33:15,069 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:15,069 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 16:33:15,069 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:15,069 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~i~0#1 + 1 Supporting invariants [] [2022-07-14 16:33:15,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:15,086 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-14 16:33:15,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:15,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 16:33:15,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:15,135 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 16:33:15,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:15,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:15,164 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 [2022-07-14 16:33:15,164 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-14 16:33:15,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 52 states and 79 transitions. Complement of second has 9 states. [2022-07-14 16:33:15,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-14 16:33:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-07-14 16:33:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-07-14 16:33:15,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 3 letters. [2022-07-14 16:33:15,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:15,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 13 letters. Loop has 3 letters. [2022-07-14 16:33:15,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:15,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 6 letters. [2022-07-14 16:33:15,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:15,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 79 transitions. [2022-07-14 16:33:15,218 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-07-14 16:33:15,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 74 transitions. [2022-07-14 16:33:15,219 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-07-14 16:33:15,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-07-14 16:33:15,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 74 transitions. [2022-07-14 16:33:15,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:33:15,219 INFO L369 hiAutomatonCegarLoop]: Abstraction has 50 states and 74 transitions. [2022-07-14 16:33:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 74 transitions. [2022-07-14 16:33:15,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2022-07-14 16:33:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 41 states have internal predecessors, (62), 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) [2022-07-14 16:33:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 62 transitions. [2022-07-14 16:33:15,223 INFO L392 hiAutomatonCegarLoop]: Abstraction has 42 states and 62 transitions. [2022-07-14 16:33:15,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:33:15,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 16:33:15,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 16:33:15,224 INFO L87 Difference]: Start difference. First operand 42 states and 62 transitions. 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) [2022-07-14 16:33:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:33:15,264 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2022-07-14 16:33:15,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 16:33:15,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2022-07-14 16:33:15,266 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-14 16:33:15,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 64 transitions. [2022-07-14 16:33:15,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-07-14 16:33:15,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-07-14 16:33:15,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 64 transitions. [2022-07-14 16:33:15,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 16:33:15,268 INFO L369 hiAutomatonCegarLoop]: Abstraction has 45 states and 64 transitions. [2022-07-14 16:33:15,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 64 transitions. [2022-07-14 16:33:15,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2022-07-14 16:33:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.441860465116279) internal successors, (62), 42 states have internal predecessors, (62), 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) [2022-07-14 16:33:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 62 transitions. [2022-07-14 16:33:15,271 INFO L392 hiAutomatonCegarLoop]: Abstraction has 43 states and 62 transitions. [2022-07-14 16:33:15,271 INFO L374 stractBuchiCegarLoop]: Abstraction has 43 states and 62 transitions. [2022-07-14 16:33:15,271 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-14 16:33:15,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 62 transitions. [2022-07-14 16:33:15,271 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-14 16:33:15,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:33:15,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:33:15,272 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 16:33:15,272 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 16:33:15,272 INFO L752 eck$LassoCheckResult]: Stem: 663#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 664#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 679#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 670#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 658#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 659#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 678#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 699#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 698#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 697#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 694#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 680#L517-2 [2022-07-14 16:33:15,273 INFO L754 eck$LassoCheckResult]: Loop: 680#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 681#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 680#L517-2 [2022-07-14 16:33:15,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:15,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2022-07-14 16:33:15,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:15,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57524064] [2022-07-14 16:33:15,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:15,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:15,292 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:15,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:15,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:15,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2015, now seen corresponding path program 3 times [2022-07-14 16:33:15,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:15,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236000897] [2022-07-14 16:33:15,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:15,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:15,315 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:15,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:15,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash -856885748, now seen corresponding path program 2 times [2022-07-14 16:33:15,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:33:15,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811209392] [2022-07-14 16:33:15,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:33:15,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:33:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:15,340 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:33:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:33:15,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:33:15,662 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 [2022-07-14 16:33:16,264 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:33:16,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:33:16,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:33:16,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:33:16,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:33:16,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:16,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:33:16,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:33:16,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration5_Lasso [2022-07-14 16:33:16,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:33:16,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:33:16,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:16,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:33:17,220 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:33:17,220 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:33:17,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,222 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) [2022-07-14 16:33:17,227 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 [2022-07-14 16:33:17,228 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 [2022-07-14 16:33:17,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:17,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:17,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:17,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:17,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,260 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) [2022-07-14 16:33:17,262 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 [2022-07-14 16:33:17,263 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 [2022-07-14 16:33:17,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:17,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:17,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:17,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,309 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 [2022-07-14 16:33:17,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,310 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) [2022-07-14 16:33:17,316 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 [2022-07-14 16:33:17,316 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 [2022-07-14 16:33:17,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:17,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:17,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:17,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,339 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 [2022-07-14 16:33:17,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,341 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) [2022-07-14 16:33:17,342 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 [2022-07-14 16:33:17,343 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 [2022-07-14 16:33:17,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:17,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:17,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-14 16:33:17,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,370 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2022-07-14 16:33:17,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-14 16:33:17,371 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 [2022-07-14 16:33:17,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:17,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:17,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:17,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:17,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,396 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2022-07-14 16:33:17,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-14 16:33:17,398 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 [2022-07-14 16:33:17,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:17,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:17,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:17,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:17,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,422 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2022-07-14 16:33:17,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-14 16:33:17,425 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 [2022-07-14 16:33:17,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:17,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:17,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-14 16:33:17,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,458 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2022-07-14 16:33:17,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-14 16:33:17,461 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 [2022-07-14 16:33:17,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:17,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:17,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:17,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:17,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,486 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2022-07-14 16:33:17,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-14 16:33:17,488 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 [2022-07-14 16:33:17,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:33:17,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:33:17,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:33:17,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:33:17,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:17,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,512 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2022-07-14 16:33:17,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-14 16:33:17,515 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 [2022-07-14 16:33:17,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:33:17,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:33:17,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:33:17,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:33:17,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 16:33:17,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 16:33:17,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:33:17,600 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-07-14 16:33:17,601 INFO L444 ModelExtractionUtils]: 41 out of 64 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-07-14 16:33:17,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:33:17,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:33:17,604 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2022-07-14 16:33:17,612 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:33:17,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-14 16:33:17,636 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 16:33:17,636 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:33:17,637 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_lis_~best~0#1.base)_2, ULTIMATE.start_lis_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_lis_~best~0#1.base)_2 - 4*ULTIMATE.start_lis_~i~0#1 Supporting invariants [1*ULTIMATE.start_lis_~prev~0#1.offset >= 0] [2022-07-14 16:33:17,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:17,729 INFO L293 tatePredicateManager]: 26 out of 28 supporting invariants were superfluous and have been removed [2022-07-14 16:33:17,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:17,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-14 16:33:17,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:17,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:17,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:17,850 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-14 16:33:17,850 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:17,877 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 46 states and 66 transitions. Complement of second has 4 states. [2022-07-14 16:33:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-14 16:33:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-07-14 16:33:17,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-14 16:33:17,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:17,880 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 16:33:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:17,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-14 16:33:17,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:17,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-14 16:33:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:18,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:18,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:18,029 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-14 16:33:18,029 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,051 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 46 states and 66 transitions. Complement of second has 4 states. [2022-07-14 16:33:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-14 16:33:18,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-07-14 16:33:18,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-14 16:33:18,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:18,052 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 16:33:18,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:18,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-14 16:33:18,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:18,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:18,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:18,154 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-14 16:33:18,154 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 45 states and 64 transitions. Complement of second has 4 states. [2022-07-14 16:33:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-07-14 16:33:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-07-14 16:33:18,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-14 16:33:18,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:18,204 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 16:33:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:18,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-14 16:33:18,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:18,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:18,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:18,300 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-14 16:33:18,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,351 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 51 states and 72 transitions. Complement of second has 7 states. [2022-07-14 16:33:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2022-07-14 16:33:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-07-14 16:33:18,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-14 16:33:18,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:18,353 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 16:33:18,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:33:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:18,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-14 16:33:18,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:33:18,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 16:33:18,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:33:18,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:33:18,456 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-14 16:33:18,457 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,576 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 204 states and 366 transitions. Complement of second has 11 states 5 powerset states6 rank states. The highest rank that occured is 1 [2022-07-14 16:33:18,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-07-14 16:33:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-07-14 16:33:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 60 transitions. [2022-07-14 16:33:18,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 60 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-14 16:33:18,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:33:18,578 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 16:33:18,578 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiAndReportRankingFunction(AbstractBuchiCegarLoop.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 16:33:18,582 INFO L158 Benchmark]: Toolchain (without parser) took 10933.74ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 57.8MB in the beginning and 35.9MB in the end (delta: 21.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-07-14 16:33:18,582 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:18,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.62ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 60.4MB in the end (delta: -2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 16:33:18,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.83ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 58.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:33:18,583 INFO L158 Benchmark]: Boogie Preprocessor took 22.74ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 56.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:33:18,583 INFO L158 Benchmark]: RCFGBuilder took 365.22ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.8MB in the beginning and 94.7MB in the end (delta: -37.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-07-14 16:33:18,583 INFO L158 Benchmark]: BuchiAutomizer took 10086.89ms. Allocated memory is still 119.5MB. Free memory was 94.5MB in the beginning and 35.9MB in the end (delta: 58.6MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-07-14 16:33:18,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.62ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 60.4MB in the end (delta: -2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.83ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 58.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.74ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 56.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.22ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.8MB in the beginning and 94.7MB in the end (delta: -37.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 10086.89ms. Allocated memory is still 119.5MB. Free memory was 94.5MB in the beginning and 35.9MB in the end (delta: 58.6MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-14 16:33:18,597 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient