./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/bubble_sort-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e1acfd31445967c69cca4f8260e477710826362 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 02:39:15,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:39:15,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:39:15,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:39:15,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:39:15,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:39:15,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:39:15,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:39:15,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:39:15,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:39:15,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:39:15,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:39:15,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:39:15,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:39:15,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:39:15,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:39:15,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:39:15,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:39:15,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:39:15,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:39:15,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:39:15,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:39:15,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:39:15,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:39:15,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:39:15,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:39:15,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:39:15,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:39:15,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:39:15,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:39:15,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:39:15,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:39:15,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:39:15,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:39:15,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:39:15,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:39:15,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:39:15,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:39:15,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:39:15,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:39:15,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:39:15,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:39:15,324 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:39:15,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:39:15,325 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:39:15,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:39:15,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:39:15,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:39:15,328 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:39:15,328 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:39:15,328 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:39:15,328 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:39:15,329 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:39:15,329 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:39:15,329 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:39:15,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:39:15,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:39:15,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:39:15,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:39:15,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:39:15,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:39:15,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:39:15,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:39:15,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:39:15,336 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:39:15,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:39:15,337 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:39:15,337 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:39:15,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:39:15,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:39:15,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:39:15,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:39:15,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:39:15,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:39:15,339 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:39:15,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e1acfd31445967c69cca4f8260e477710826362 [2021-08-31 02:39:15,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:39:15,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:39:15,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:39:15,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:39:15,631 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:39:15,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/bubble_sort-1.c [2021-08-31 02:39:15,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649ae154b/575b60bca83446a4b60eafbdaba3f304/FLAG43f759db0 [2021-08-31 02:39:16,075 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:39:16,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c [2021-08-31 02:39:16,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649ae154b/575b60bca83446a4b60eafbdaba3f304/FLAG43f759db0 [2021-08-31 02:39:16,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649ae154b/575b60bca83446a4b60eafbdaba3f304 [2021-08-31 02:39:16,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:39:16,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:39:16,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:39:16,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:39:16,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:39:16,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad21f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16, skipping insertion in model container [2021-08-31 02:39:16,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:39:16,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:39:16,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-08-31 02:39:16,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:39:16,215 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:39:16,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-08-31 02:39:16,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:39:16,275 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:39:16,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16 WrapperNode [2021-08-31 02:39:16,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:39:16,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:39:16,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:39:16,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:39:16,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:39:16,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:39:16,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:39:16,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:39:16,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:39:16,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:39:16,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:39:16,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:39:16,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (1/1) ... [2021-08-31 02:39:16,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:16,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:16,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:16,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 02:39:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:39:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:39:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 02:39:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:39:16,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:39:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 02:39:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 02:39:16,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:39:16,561 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-31 02:39:16,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:39:16 BoogieIcfgContainer [2021-08-31 02:39:16,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:39:16,564 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:39:16,564 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:39:16,566 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:39:16,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:39:16,567 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:39:16" (1/3) ... [2021-08-31 02:39:16,568 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d660698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:39:16, skipping insertion in model container [2021-08-31 02:39:16,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:39:16,568 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:39:16" (2/3) ... [2021-08-31 02:39:16,568 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d660698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:39:16, skipping insertion in model container [2021-08-31 02:39:16,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:39:16,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:39:16" (3/3) ... [2021-08-31 02:39:16,570 INFO L389 chiAutomizerObserver]: Analyzing ICFG bubble_sort-1.c [2021-08-31 02:39:16,605 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:39:16,606 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:39:16,606 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:39:16,606 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:39:16,606 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:39:16,606 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:39:16,606 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:39:16,607 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:39:16,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:16,631 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-08-31 02:39:16,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:16,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:16,635 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 02:39:16,635 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:39:16,635 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:39:16,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:16,638 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-08-31 02:39:16,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:16,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:16,639 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 02:39:16,639 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:39:16,645 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 7#L-1true main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 6#L56true assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 27#L65true assume q1_#t~switch20;q1_~i~1 := 0; 11#L66-3true [2021-08-31 02:39:16,645 INFO L793 eck$LassoCheckResult]: Loop: 11#L66-3true assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 12#L66-2true q1_#t~pre21 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre21; 11#L66-3true [2021-08-31 02:39:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-08-31 02:39:16,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:16,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952255681] [2021-08-31 02:39:16,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:16,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:16,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:16,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952255681] [2021-08-31 02:39:16,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952255681] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:16,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:16,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 02:39:16,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835595077] [2021-08-31 02:39:16,830 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:16,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:16,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2021-08-31 02:39:16,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:16,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367571249] [2021-08-31 02:39:16,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:16,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:16,853 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:16,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:16,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:16,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:39:16,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:39:16,993 INFO L87 Difference]: Start difference. First operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:17,067 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2021-08-31 02:39:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:39:17,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-08-31 02:39:17,073 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 02:39:17,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2021-08-31 02:39:17,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-08-31 02:39:17,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-08-31 02:39:17,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-08-31 02:39:17,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:17,077 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-08-31 02:39:17,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-08-31 02:39:17,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-08-31 02:39:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-08-31 02:39:17,092 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-08-31 02:39:17,092 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-08-31 02:39:17,092 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:39:17,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-08-31 02:39:17,093 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 02:39:17,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:17,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:17,094 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 02:39:17,094 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:39:17,094 INFO L791 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 61#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 64#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 65#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 77#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 76#L73 assume q1_#t~switch20;q1_~i~1 := 0; 71#L74-3 [2021-08-31 02:39:17,094 INFO L793 eck$LassoCheckResult]: Loop: 71#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 70#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 71#L74-3 [2021-08-31 02:39:17,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:17,095 INFO L82 PathProgramCache]: Analyzing trace with hash 889584664, now seen corresponding path program 1 times [2021-08-31 02:39:17,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:17,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456757889] [2021-08-31 02:39:17,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:17,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:17,106 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:17,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:17,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:17,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2691, now seen corresponding path program 1 times [2021-08-31 02:39:17,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:17,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956616677] [2021-08-31 02:39:17,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:17,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:17,123 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:17,128 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:17,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:17,128 INFO L82 PathProgramCache]: Analyzing trace with hash 192371930, now seen corresponding path program 1 times [2021-08-31 02:39:17,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:17,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2290407] [2021-08-31 02:39:17,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:17,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:17,142 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:17,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:17,828 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:39:17,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:39:17,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:39:17,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:39:17,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:39:17,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:17,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:39:17,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:39:17,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration2_Lasso [2021-08-31 02:39:17,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:39:17,830 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:39:17,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:17,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:18,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:18,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:18,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:18,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:18,284 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:39:18,288 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:39:18,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:18,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 02:39:18,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:18,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:18,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:18,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 02:39:18,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:18,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:18,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 02:39:18,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:18,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,414 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:18,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 02:39:18,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:18,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-31 02:39:18,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:18,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 02:39:18,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:18,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-31 02:39:18,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,526 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:18,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 02:39:18,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:18,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,555 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:18,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 02:39:18,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,588 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 [2021-08-31 02:39:18,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,589 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) [2021-08-31 02:39:18,591 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 [2021-08-31 02:39:18,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-08-31 02:39:18,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,621 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) [2021-08-31 02:39:18,622 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 [2021-08-31 02:39:18,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:18,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-31 02:39:18,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,698 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) [2021-08-31 02:39:18,737 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 [2021-08-31 02:39:18,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,779 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 [2021-08-31 02:39:18,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,781 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) [2021-08-31 02:39:18,782 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 [2021-08-31 02:39:18,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:18,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,822 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 [2021-08-31 02:39:18,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,823 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) [2021-08-31 02:39:18,824 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 [2021-08-31 02:39:18,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:18,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,850 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) [2021-08-31 02:39:18,854 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 [2021-08-31 02:39:18,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:18,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:18,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:18,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:18,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,880 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) [2021-08-31 02:39:18,881 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 [2021-08-31 02:39:18,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:18,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,928 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 [2021-08-31 02:39:18,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,929 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) [2021-08-31 02:39:18,931 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 [2021-08-31 02:39:18,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:18,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:18,976 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 [2021-08-31 02:39:18,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:18,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:18,977 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) [2021-08-31 02:39:18,978 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 [2021-08-31 02:39:18,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:18,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:18,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:18,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:18,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:18,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:18,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,057 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 [2021-08-31 02:39:19,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,060 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) [2021-08-31 02:39:19,063 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 [2021-08-31 02:39:19,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,122 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 [2021-08-31 02:39:19,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,123 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) [2021-08-31 02:39:19,124 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 [2021-08-31 02:39:19,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,152 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 [2021-08-31 02:39:19,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,153 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) [2021-08-31 02:39:19,155 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 [2021-08-31 02:39:19,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,181 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 [2021-08-31 02:39:19,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,182 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) [2021-08-31 02:39:19,184 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 [2021-08-31 02:39:19,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,216 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 [2021-08-31 02:39:19,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,217 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) [2021-08-31 02:39:19,218 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 [2021-08-31 02:39:19,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-08-31 02:39:19,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,264 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) [2021-08-31 02:39:19,265 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 [2021-08-31 02:39:19,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,293 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 [2021-08-31 02:39:19,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,294 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) [2021-08-31 02:39:19,294 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 [2021-08-31 02:39:19,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:19,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:19,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,324 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) [2021-08-31 02:39:19,325 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 [2021-08-31 02:39:19,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:19,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:19,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:19,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:19,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:19,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:19,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:19,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:39:19,367 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-31 02:39:19,368 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-31 02:39:19,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:19,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:19,389 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) [2021-08-31 02:39:19,405 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:39:19,405 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 [2021-08-31 02:39:19,414 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 02:39:19,414 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:39:19,415 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_q1_~#a~1.base)_1, ULTIMATE.start_q1_~i~1) = 1*v_rep(select #length ULTIMATE.start_q1_~#a~1.base)_1 - 4*ULTIMATE.start_q1_~i~1 Supporting invariants [1*ULTIMATE.start_q1_~#a~1.offset >= 0] [2021-08-31 02:39:19,459 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 [2021-08-31 02:39:19,511 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-08-31 02:39:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:19,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-31 02:39:19,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:19,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 02:39:19,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:19,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:19,649 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 [2021-08-31 02:39:19,650 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:19,705 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 28 states and 40 transitions. Complement of second has 8 states. [2021-08-31 02:39:19,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 02:39:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-08-31 02:39:19,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 02:39:19,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:19,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2021-08-31 02:39:19,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:19,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2021-08-31 02:39:19,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:19,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2021-08-31 02:39:19,717 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-08-31 02:39:19,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 36 transitions. [2021-08-31 02:39:19,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-31 02:39:19,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-08-31 02:39:19,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2021-08-31 02:39:19,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:19,718 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-08-31 02:39:19,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2021-08-31 02:39:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2021-08-31 02:39:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-08-31 02:39:19,720 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-08-31 02:39:19,720 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-08-31 02:39:19,720 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 02:39:19,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-08-31 02:39:19,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-31 02:39:19,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:19,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:19,722 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:19,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:39:19,722 INFO L791 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 210#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 213#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 214#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 227#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 225#L73 assume !q1_#t~switch20; 211#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 212#L18-3 [2021-08-31 02:39:19,723 INFO L793 eck$LassoCheckResult]: Loop: 212#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 223#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 222#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 212#L18-3 [2021-08-31 02:39:19,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:19,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 1 times [2021-08-31 02:39:19,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:19,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72722504] [2021-08-31 02:39:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:19,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:19,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:19,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:19,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72722504] [2021-08-31 02:39:19,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72722504] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:19,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:19,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 02:39:19,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454987274] [2021-08-31 02:39:19,762 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:19,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:19,762 INFO L82 PathProgramCache]: Analyzing trace with hash 114407, now seen corresponding path program 1 times [2021-08-31 02:39:19,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:19,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266577133] [2021-08-31 02:39:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:19,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:19,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:19,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266577133] [2021-08-31 02:39:19,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266577133] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:19,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:19,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 02:39:19,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053404474] [2021-08-31 02:39:19,787 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 02:39:19,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:19,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:39:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:39:19,788 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:19,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:19,817 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-08-31 02:39:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:39:19,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-08-31 02:39:19,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:19,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2021-08-31 02:39:19,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-31 02:39:19,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-31 02:39:19,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-08-31 02:39:19,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:19,820 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-08-31 02:39:19,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-08-31 02:39:19,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-08-31 02:39:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-08-31 02:39:19,823 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-08-31 02:39:19,823 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-08-31 02:39:19,823 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 02:39:19,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-08-31 02:39:19,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:19,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:19,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:19,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:19,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 02:39:19,825 INFO L791 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 256#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 259#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 260#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 274#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 272#L73 assume !q1_#t~switch20; 257#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 258#L18-3 [2021-08-31 02:39:19,825 INFO L793 eck$LassoCheckResult]: Loop: 258#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 269#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 270#L23 assume !(bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size); 264#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 271#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 268#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 258#L18-3 [2021-08-31 02:39:19,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:19,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 2 times [2021-08-31 02:39:19,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:19,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865673991] [2021-08-31 02:39:19,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:19,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:19,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:19,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865673991] [2021-08-31 02:39:19,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865673991] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:19,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:19,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 02:39:19,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009163886] [2021-08-31 02:39:19,857 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:19,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:19,857 INFO L82 PathProgramCache]: Analyzing trace with hash -884895266, now seen corresponding path program 1 times [2021-08-31 02:39:19,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:19,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942950950] [2021-08-31 02:39:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:19,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:19,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:19,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942950950] [2021-08-31 02:39:19,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942950950] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:19,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:19,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 02:39:19,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200670374] [2021-08-31 02:39:19,867 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 02:39:19,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:39:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:39:19,869 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 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) [2021-08-31 02:39:19,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:19,895 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2021-08-31 02:39:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:39:19,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-08-31 02:39:19,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:19,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2021-08-31 02:39:19,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-08-31 02:39:19,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-08-31 02:39:19,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-08-31 02:39:19,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:19,897 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-08-31 02:39:19,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-08-31 02:39:19,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-08-31 02:39:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-08-31 02:39:19,899 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-08-31 02:39:19,899 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-08-31 02:39:19,899 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 02:39:19,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-08-31 02:39:19,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:19,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:19,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:19,900 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:19,900 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:19,900 INFO L791 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 304#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 307#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 308#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 322#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 320#L73 assume !q1_#t~switch20; 305#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 306#L18-3 [2021-08-31 02:39:19,900 INFO L793 eck$LassoCheckResult]: Loop: 306#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 317#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 318#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 311#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 312#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 319#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 316#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 306#L18-3 [2021-08-31 02:39:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:19,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 3 times [2021-08-31 02:39:19,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:19,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888117789] [2021-08-31 02:39:19,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:19,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:19,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:19,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888117789] [2021-08-31 02:39:19,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888117789] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:19,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:19,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 02:39:19,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963934635] [2021-08-31 02:39:19,933 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:19,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:19,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 1 times [2021-08-31 02:39:19,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:19,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572225655] [2021-08-31 02:39:19,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:19,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:19,938 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:19,942 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:19,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:20,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:20,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:39:20,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:39:20,076 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:20,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:20,103 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-08-31 02:39:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:39:20,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-08-31 02:39:20,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:20,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2021-08-31 02:39:20,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-31 02:39:20,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-31 02:39:20,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-08-31 02:39:20,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:20,104 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-08-31 02:39:20,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-08-31 02:39:20,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-08-31 02:39:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-08-31 02:39:20,105 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-08-31 02:39:20,105 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-08-31 02:39:20,105 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 02:39:20,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-08-31 02:39:20,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:20,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:20,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:20,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:20,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:39:20,106 INFO L791 eck$LassoCheckResult]: Stem: 349#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 350#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 353#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 354#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 368#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 366#L73 assume q1_#t~switch20;q1_~i~1 := 0; 367#L74-3 assume !(q1_~i~1 < q1_~N~0); 361#L74-4 q1_~i~1 := 0; 356#L76-3 [2021-08-31 02:39:20,106 INFO L793 eck$LassoCheckResult]: Loop: 356#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 355#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 356#L76-3 [2021-08-31 02:39:20,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,106 INFO L82 PathProgramCache]: Analyzing trace with hash 192371872, now seen corresponding path program 1 times [2021-08-31 02:39:20,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794878111] [2021-08-31 02:39:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,112 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:20,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,119 INFO L82 PathProgramCache]: Analyzing trace with hash 3139, now seen corresponding path program 1 times [2021-08-31 02:39:20,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464804474] [2021-08-31 02:39:20,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:20,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786910664] [2021-08-31 02:39:20,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:20,141 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:20,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-08-31 02:39:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,165 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,173 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:20,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,173 INFO L82 PathProgramCache]: Analyzing trace with hash 185777442, now seen corresponding path program 1 times [2021-08-31 02:39:20,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599403833] [2021-08-31 02:39:20,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,177 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:20,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315143712] [2021-08-31 02:39:20,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:20,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:20,193 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:20,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-31 02:39:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:20,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 02:39:20,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:20,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-31 02:39:20,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:20,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599403833] [2021-08-31 02:39:20,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 02:39:20,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315143712] [2021-08-31 02:39:20,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315143712] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:20,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:20,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 02:39:20,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129081968] [2021-08-31 02:39:20,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:20,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 02:39:20,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-31 02:39:20,407 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2021-08-31 02:39:20,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:20,481 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-08-31 02:39:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 02:39:20,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-08-31 02:39:20,483 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-08-31 02:39:20,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-08-31 02:39:20,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-08-31 02:39:20,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-08-31 02:39:20,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-08-31 02:39:20,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:20,483 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-08-31 02:39:20,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-08-31 02:39:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2021-08-31 02:39:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-08-31 02:39:20,485 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-08-31 02:39:20,485 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-08-31 02:39:20,485 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 02:39:20,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-08-31 02:39:20,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:20,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:20,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:20,485 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:20,485 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:20,486 INFO L791 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 452#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 455#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 456#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 471#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 469#L73 assume q1_#t~switch20;q1_~i~1 := 0; 470#L74-3 assume !(q1_~i~1 < q1_~N~0); 463#L74-4 q1_~i~1 := 0; 464#L76-3 assume !(q1_~i~1 < q1_~N~0); 453#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 454#L18-3 [2021-08-31 02:39:20,486 INFO L793 eck$LassoCheckResult]: Loop: 454#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 467#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 468#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 459#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 460#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 466#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 465#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 454#L18-3 [2021-08-31 02:39:20,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,486 INFO L82 PathProgramCache]: Analyzing trace with hash 185777387, now seen corresponding path program 1 times [2021-08-31 02:39:20,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996208026] [2021-08-31 02:39:20,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,491 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:20,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 2 times [2021-08-31 02:39:20,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514835138] [2021-08-31 02:39:20,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,501 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:20,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1443775097, now seen corresponding path program 1 times [2021-08-31 02:39:20,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57893442] [2021-08-31 02:39:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-31 02:39:20,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:20,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57893442] [2021-08-31 02:39:20,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57893442] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:39:20,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:39:20,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 02:39:20,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059229027] [2021-08-31 02:39:20,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:20,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 02:39:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 02:39:20,652 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:20,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:20,712 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-08-31 02:39:20,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 02:39:20,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-08-31 02:39:20,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:20,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2021-08-31 02:39:20,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-08-31 02:39:20,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-31 02:39:20,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2021-08-31 02:39:20,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:20,714 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-08-31 02:39:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2021-08-31 02:39:20,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2021-08-31 02:39:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-08-31 02:39:20,715 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-08-31 02:39:20,715 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-08-31 02:39:20,715 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 02:39:20,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-08-31 02:39:20,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:20,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:20,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:20,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:20,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:39:20,716 INFO L791 eck$LassoCheckResult]: Stem: 514#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 515#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 518#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 519#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 534#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 532#L73 assume q1_#t~switch20;q1_~i~1 := 0; 533#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 524#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 525#L74-3 assume !(q1_~i~1 < q1_~N~0); 526#L74-4 q1_~i~1 := 0; 527#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 520#L76-2 [2021-08-31 02:39:20,716 INFO L793 eck$LassoCheckResult]: Loop: 520#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 521#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 520#L76-2 [2021-08-31 02:39:20,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1465845666, now seen corresponding path program 1 times [2021-08-31 02:39:20,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965037104] [2021-08-31 02:39:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,721 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:20,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189517463] [2021-08-31 02:39:20,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:20,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:20,722 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:20,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-31 02:39:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,812 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,831 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:20,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,831 INFO L82 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 2 times [2021-08-31 02:39:20,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553436480] [2021-08-31 02:39:20,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,833 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:20,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744352071] [2021-08-31 02:39:20,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:20,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:20,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:20,863 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:20,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-08-31 02:39:20,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-31 02:39:20,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:20,931 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:20,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:20,938 INFO L82 PathProgramCache]: Analyzing trace with hash -71585824, now seen corresponding path program 1 times [2021-08-31 02:39:20,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:20,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803560147] [2021-08-31 02:39:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:20,942 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:20,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476291906] [2021-08-31 02:39:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:20,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:20,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:21,004 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:21,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-08-31 02:39:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:21,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 02:39:21,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:21,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:21,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:21,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803560147] [2021-08-31 02:39:21,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 02:39:21,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476291906] [2021-08-31 02:39:21,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476291906] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:21,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-31 02:39:21,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-08-31 02:39:21,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637162842] [2021-08-31 02:39:21,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:21,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-31 02:39:21,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-08-31 02:39:21,323 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:21,427 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2021-08-31 02:39:21,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 02:39:21,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2021-08-31 02:39:21,429 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-08-31 02:39:21,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2021-08-31 02:39:21,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-08-31 02:39:21,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-08-31 02:39:21,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2021-08-31 02:39:21,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:39:21,430 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-08-31 02:39:21,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2021-08-31 02:39:21,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2021-08-31 02:39:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-08-31 02:39:21,432 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-08-31 02:39:21,432 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-08-31 02:39:21,432 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-31 02:39:21,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2021-08-31 02:39:21,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-08-31 02:39:21,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:21,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:21,446 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:21,446 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:39:21,446 INFO L791 eck$LassoCheckResult]: Stem: 674#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 675#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 678#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 679#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 695#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 693#L73 assume q1_#t~switch20;q1_~i~1 := 0; 694#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 684#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 685#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 696#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 700#L74-3 assume !(q1_~i~1 < q1_~N~0); 699#L74-4 q1_~i~1 := 0; 686#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 680#L76-2 [2021-08-31 02:39:21,446 INFO L793 eck$LassoCheckResult]: Loop: 680#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 681#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 680#L76-2 [2021-08-31 02:39:21,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:21,446 INFO L82 PathProgramCache]: Analyzing trace with hash -69873632, now seen corresponding path program 2 times [2021-08-31 02:39:21,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:21,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101459266] [2021-08-31 02:39:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:21,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:21,453 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:21,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [116231778] [2021-08-31 02:39:21,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:21,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:21,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:21,471 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:21,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-08-31 02:39:21,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 02:39:21,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:21,537 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:21,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:21,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:21,558 INFO L82 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 3 times [2021-08-31 02:39:21,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:21,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845475646] [2021-08-31 02:39:21,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:21,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:21,562 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:21,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473580986] [2021-08-31 02:39:21,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-31 02:39:21,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:21,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:21,564 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:21,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-08-31 02:39:21,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:21,588 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:21,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-08-31 02:39:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:21,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:21,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:21,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1570918622, now seen corresponding path program 2 times [2021-08-31 02:39:21,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:21,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913876576] [2021-08-31 02:39:21,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:21,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:21,604 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:21,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943702115] [2021-08-31 02:39:21,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:21,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:21,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:21,606 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:21,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-08-31 02:39:21,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 02:39:21,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:21,647 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:21,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:23,298 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:39:23,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:39:23,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:39:23,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:39:23,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:39:23,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:23,298 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:39:23,298 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:39:23,298 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration9_Lasso [2021-08-31 02:39:23,298 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:39:23,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:39:23,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:23,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:25,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:39:25,315 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:39:25,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,321 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) [2021-08-31 02:39:25,321 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 [2021-08-31 02:39:25,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,358 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 [2021-08-31 02:39:25,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,360 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) [2021-08-31 02:39:25,361 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 [2021-08-31 02:39:25,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:25,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:25,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:25,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,402 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 [2021-08-31 02:39:25,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,403 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) [2021-08-31 02:39:25,404 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 [2021-08-31 02:39:25,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,447 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 [2021-08-31 02:39:25,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,449 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) [2021-08-31 02:39:25,450 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 [2021-08-31 02:39:25,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:25,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:25,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:25,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:25,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,492 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) [2021-08-31 02:39:25,493 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 [2021-08-31 02:39:25,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:25,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:25,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:25,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,533 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 [2021-08-31 02:39:25,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,535 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) [2021-08-31 02:39:25,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:25,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:25,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:25,548 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 [2021-08-31 02:39:25,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:25,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,577 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) [2021-08-31 02:39:25,578 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 [2021-08-31 02:39:25,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,608 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 [2021-08-31 02:39:25,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,609 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) [2021-08-31 02:39:25,609 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 [2021-08-31 02:39:25,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-31 02:39:25,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,650 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) [2021-08-31 02:39:25,651 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 [2021-08-31 02:39:25,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-31 02:39:25,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,691 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) [2021-08-31 02:39:25,705 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 [2021-08-31 02:39:25,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,755 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 [2021-08-31 02:39:25,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,757 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) [2021-08-31 02:39:25,758 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 [2021-08-31 02:39:25,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:25,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:25,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:25,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-31 02:39:25,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,783 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) [2021-08-31 02:39:25,784 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 [2021-08-31 02:39:25,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:25,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:25,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:25,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,811 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 [2021-08-31 02:39:25,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,814 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) [2021-08-31 02:39:25,818 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 [2021-08-31 02:39:25,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,845 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 [2021-08-31 02:39:25,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,848 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) [2021-08-31 02:39:25,848 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 [2021-08-31 02:39:25,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-08-31 02:39:25,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,878 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) [2021-08-31 02:39:25,880 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 [2021-08-31 02:39:25,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:25,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,932 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) [2021-08-31 02:39:25,933 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 [2021-08-31 02:39:25,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:25,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:25,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:25,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:25,969 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) [2021-08-31 02:39:25,970 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 [2021-08-31 02:39:25,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:25,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:25,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:25,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:25,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:25,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:25,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:25,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,010 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 [2021-08-31 02:39:26,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,011 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) [2021-08-31 02:39:26,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:26,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:26,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:26,027 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 [2021-08-31 02:39:26,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,051 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 [2021-08-31 02:39:26,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,052 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) [2021-08-31 02:39:26,053 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 [2021-08-31 02:39:26,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:26,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:26,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:26,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,102 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) [2021-08-31 02:39:26,103 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 [2021-08-31 02:39:26,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:26,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:26,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-08-31 02:39:26,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,153 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) [2021-08-31 02:39:26,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:26,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:26,191 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 [2021-08-31 02:39:26,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-08-31 02:39:26,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,273 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) [2021-08-31 02:39:26,296 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 [2021-08-31 02:39:26,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:26,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:26,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:26,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-31 02:39:26,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,323 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) [2021-08-31 02:39:26,323 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 [2021-08-31 02:39:26,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:26,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:26,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:26,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-31 02:39:26,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,349 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:26,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-31 02:39:26,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:26,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:26,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:26,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,391 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:26,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-31 02:39:26,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:26,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:26,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:26,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-08-31 02:39:26,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,431 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:26,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-31 02:39:26,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:26,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:26,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:26,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:26,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:26,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:26,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-08-31 02:39:26,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,458 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:26,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-31 02:39:26,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:26,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:26,466 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 02:39:26,466 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-08-31 02:39:26,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:26,492 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2021-08-31 02:39:26,493 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-31 02:39:26,554 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:39:26,670 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-08-31 02:39:26,670 INFO L444 ModelExtractionUtils]: 25 out of 57 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-08-31 02:39:26,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:26,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,689 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:26,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-31 02:39:26,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:39:26,754 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2021-08-31 02:39:26,755 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:39:26,755 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~N~0, ULTIMATE.start_q1_~i~1) = 1*ULTIMATE.start_q1_~N~0 - 1*ULTIMATE.start_q1_~i~1 Supporting invariants [] [2021-08-31 02:39:26,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-08-31 02:39:26,818 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-08-31 02:39:26,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:26,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 02:39:26,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:26,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 02:39:26,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:26,886 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 02:39:26,886 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-08-31 02:39:26,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 38 states and 48 transitions. Complement of second has 4 states. [2021-08-31 02:39:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 02:39:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-08-31 02:39:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-08-31 02:39:26,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 2 letters. [2021-08-31 02:39:26,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:26,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 15 letters. Loop has 2 letters. [2021-08-31 02:39:26,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:26,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2021-08-31 02:39:26,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:26,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2021-08-31 02:39:26,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 02:39:26,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 35 transitions. [2021-08-31 02:39:26,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-08-31 02:39:26,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-31 02:39:26,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-08-31 02:39:26,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:26,927 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-08-31 02:39:26,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-08-31 02:39:26,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-08-31 02:39:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-08-31 02:39:26,928 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-08-31 02:39:26,928 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-08-31 02:39:26,928 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-31 02:39:26,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-08-31 02:39:26,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 02:39:26,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:26,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:26,929 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:26,929 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:26,929 INFO L791 eck$LassoCheckResult]: Stem: 852#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 853#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 856#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 857#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 874#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 872#L73 assume q1_#t~switch20;q1_~i~1 := 0; 873#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 875#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 876#L74-3 assume !(q1_~i~1 < q1_~N~0); 867#L74-4 q1_~i~1 := 0; 866#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 858#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 859#L76-3 assume !(q1_~i~1 < q1_~N~0); 854#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 855#L18-3 [2021-08-31 02:39:26,929 INFO L793 eck$LassoCheckResult]: Loop: 855#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 869#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 870#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 862#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 863#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 871#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 868#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 855#L18-3 [2021-08-31 02:39:26,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:26,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2075806767, now seen corresponding path program 1 times [2021-08-31 02:39:26,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:26,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507578299] [2021-08-31 02:39:26,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:26,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:26,934 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:26,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209013876] [2021-08-31 02:39:26,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:26,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:26,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:26,936 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:26,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-08-31 02:39:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,013 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:27,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:27,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 3 times [2021-08-31 02:39:27,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:27,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081229493] [2021-08-31 02:39:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:27,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,037 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,040 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:27,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:27,040 INFO L82 PathProgramCache]: Analyzing trace with hash -548718141, now seen corresponding path program 1 times [2021-08-31 02:39:27,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:27,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137500342] [2021-08-31 02:39:27,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:27,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:27,044 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:27,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340868651] [2021-08-31 02:39:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:27,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:27,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:27,065 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:27,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-08-31 02:39:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:27,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-31 02:39:27,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-31 02:39:27,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:27,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-31 02:39:27,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:27,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137500342] [2021-08-31 02:39:27,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 02:39:27,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340868651] [2021-08-31 02:39:27,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340868651] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:27,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-31 02:39:27,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-31 02:39:27,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655855067] [2021-08-31 02:39:27,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:27,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 02:39:27,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-31 02:39:27,331 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:27,424 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-08-31 02:39:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 02:39:27,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2021-08-31 02:39:27,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 02:39:27,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 33 transitions. [2021-08-31 02:39:27,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-08-31 02:39:27,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-08-31 02:39:27,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-08-31 02:39:27,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:27,426 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-08-31 02:39:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-08-31 02:39:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-08-31 02:39:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 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) [2021-08-31 02:39:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-08-31 02:39:27,427 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-08-31 02:39:27,427 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-08-31 02:39:27,427 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-31 02:39:27,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-08-31 02:39:27,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 02:39:27,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:27,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:27,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:27,428 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:27,428 INFO L791 eck$LassoCheckResult]: Stem: 1053#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1054#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1057#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1058#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1075#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1073#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1074#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1065#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1066#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1076#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1077#L74-3 assume !(q1_~i~1 < q1_~N~0); 1067#L74-4 q1_~i~1 := 0; 1068#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1059#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1060#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1061#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1062#L76-3 assume !(q1_~i~1 < q1_~N~0); 1055#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1056#L18-3 [2021-08-31 02:39:27,428 INFO L793 eck$LassoCheckResult]: Loop: 1056#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1070#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1071#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1063#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1064#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1072#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 1069#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 1056#L18-3 [2021-08-31 02:39:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:27,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1273080179, now seen corresponding path program 2 times [2021-08-31 02:39:27,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:27,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860314813] [2021-08-31 02:39:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:27,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:27,433 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:27,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404390344] [2021-08-31 02:39:27,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:27,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:27,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:27,444 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:27,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-08-31 02:39:27,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 02:39:27,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:27,511 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,538 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:27,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:27,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 4 times [2021-08-31 02:39:27,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:27,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980439113] [2021-08-31 02:39:27,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:27,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,542 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:27,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:27,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1247881215, now seen corresponding path program 2 times [2021-08-31 02:39:27,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:27,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705114043] [2021-08-31 02:39:27,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:27,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:27,567 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:27,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [105387717] [2021-08-31 02:39:27,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:27,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:27,578 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:27,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-08-31 02:39:27,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 02:39:27,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:27,630 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:27,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:31,551 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:39:31,552 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:39:31,552 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:39:31,552 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:39:31,552 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:39:31,552 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:31,552 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:39:31,552 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:39:31,552 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration11_Lasso [2021-08-31 02:39:31,552 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:39:31,552 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:39:31,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:31,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:32,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:33,240 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:39:33,240 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:39:33,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,247 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-31 02:39:33,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,280 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-31 02:39:33,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,320 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-31 02:39:33,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,357 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-31 02:39:33,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-08-31 02:39:33,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,383 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-31 02:39:33,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,410 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-31 02:39:33,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-08-31 02:39:33,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,436 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-31 02:39:33,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,476 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-31 02:39:33,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,487 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-08-31 02:39:33,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,507 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-31 02:39:33,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,535 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-31 02:39:33,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-08-31 02:39:33,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,561 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-31 02:39:33,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,587 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-31 02:39:33,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,615 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-31 02:39:33,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-08-31 02:39:33,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,657 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-08-31 02:39:33,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,734 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-08-31 02:39:33,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,760 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-08-31 02:39:33,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-08-31 02:39:33,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,786 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-08-31 02:39:33,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-08-31 02:39:33,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,813 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-08-31 02:39:33,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,841 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-08-31 02:39:33,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,870 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-08-31 02:39:33,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,895 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-08-31 02:39:33,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,922 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-08-31 02:39:33,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:33,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:33,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:33,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,961 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-08-31 02:39:33,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:33,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:33,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:33,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:33,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:33,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:33,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:33,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:33,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:33,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:33,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:33,994 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:33,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-08-31 02:39:33,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:34,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:34,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-08-31 02:39:34,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,022 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-08-31 02:39:34,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:34,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:34,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-08-31 02:39:34,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,052 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-08-31 02:39:34,053 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 [2021-08-31 02:39:34,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:34,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:34,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-08-31 02:39:34,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,081 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-08-31 02:39:34,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:34,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:34,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:34,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:34,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,122 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-08-31 02:39:34,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:34,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:34,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:34,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:34,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,162 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-08-31 02:39:34,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:34,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:34,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:34,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:34,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,201 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-08-31 02:39:34,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:34,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:34,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:34,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,241 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-08-31 02:39:34,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:34,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:34,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:34,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:34,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:34,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,281 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-08-31 02:39:34,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:34,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:34,290 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 02:39:34,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:34,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:34,298 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 02:39:34,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:34,324 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:39:34,337 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-31 02:39:34,337 INFO L444 ModelExtractionUtils]: 16 out of 37 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-08-31 02:39:34,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:34,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,338 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-08-31 02:39:34,340 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:39:34,360 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 02:39:34,361 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:39:34,361 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~a~0, ULTIMATE.start_bubblesort_~size) = -1*ULTIMATE.start_bubblesort_~a~0 + 1*ULTIMATE.start_bubblesort_~size Supporting invariants [] [2021-08-31 02:39:34,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:34,425 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-08-31 02:39:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:34,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 02:39:34,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:34,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 02:39:34,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-31 02:39:34,522 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 02:39:34,523 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:34,578 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 39 transitions. Complement of second has 4 states. [2021-08-31 02:39:34,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 02:39:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2021-08-31 02:39:34,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 7 letters. [2021-08-31 02:39:34,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:34,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 25 letters. Loop has 7 letters. [2021-08-31 02:39:34,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:34,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 14 letters. [2021-08-31 02:39:34,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:34,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-08-31 02:39:34,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:34,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 38 transitions. [2021-08-31 02:39:34,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-31 02:39:34,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-31 02:39:34,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-08-31 02:39:34,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:34,583 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-08-31 02:39:34,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-08-31 02:39:34,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-08-31 02:39:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-08-31 02:39:34,591 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-08-31 02:39:34,591 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-08-31 02:39:34,591 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-31 02:39:34,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2021-08-31 02:39:34,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:34,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:34,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:34,592 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:34,592 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:39:34,592 INFO L791 eck$LassoCheckResult]: Stem: 1285#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1286#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1289#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1290#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1312#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1310#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1311#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1299#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1300#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1313#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1314#L74-3 assume !(q1_~i~1 < q1_~N~0); 1301#L74-4 q1_~i~1 := 0; 1302#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1291#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1292#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1293#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1294#L76-3 assume !(q1_~i~1 < q1_~N~0); 1287#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1288#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1305#L20-3 [2021-08-31 02:39:34,593 INFO L793 eck$LassoCheckResult]: Loop: 1305#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1306#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1295#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1296#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1305#L20-3 [2021-08-31 02:39:34,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:34,593 INFO L82 PathProgramCache]: Analyzing trace with hash 810779970, now seen corresponding path program 1 times [2021-08-31 02:39:34,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:34,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812150852] [2021-08-31 02:39:34,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:34,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:34,607 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:34,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2026987822] [2021-08-31 02:39:34,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:34,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:34,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,608 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2021-08-31 02:39:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:34,650 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:34,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:34,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:34,672 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 1 times [2021-08-31 02:39:34,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:34,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653361180] [2021-08-31 02:39:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:34,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:34,675 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:34,677 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:34,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:34,678 INFO L82 PathProgramCache]: Analyzing trace with hash 618057612, now seen corresponding path program 1 times [2021-08-31 02:39:34,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:34,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580205075] [2021-08-31 02:39:34,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:34,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:34,681 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:34,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909815427] [2021-08-31 02:39:34,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:34,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:34,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:34,683 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:34,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2021-08-31 02:39:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:34,728 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:34,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:35,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:39,027 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:39:39,027 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:39:39,027 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:39:39,027 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:39:39,027 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:39:39,027 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:39,027 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:39:39,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:39:39,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration12_Lasso [2021-08-31 02:39:39,028 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:39:39,028 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:39:39,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:39,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:39:40,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:39:40,528 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:39:40,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,531 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-08-31 02:39:40,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-08-31 02:39:40,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,557 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-08-31 02:39:40,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,582 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-08-31 02:39:40,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,608 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-08-31 02:39:40,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-08-31 02:39:40,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,643 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-08-31 02:39:40,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-08-31 02:39:40,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,669 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-08-31 02:39:40,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,708 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-08-31 02:39:40,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:40,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:40,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,753 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-08-31 02:39:40,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,792 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-08-31 02:39:40,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,851 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-08-31 02:39:40,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:40,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:40,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,885 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-08-31 02:39:40,887 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 [2021-08-31 02:39:40,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:40,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:40,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-08-31 02:39:40,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,913 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-08-31 02:39:40,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:40,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:40,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-08-31 02:39:40,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,953 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-08-31 02:39:40,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:40,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:40,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:39:40,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:40,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:40,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:40,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:39:40,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:39:40,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:40,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:40,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:40,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:40,979 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:40,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-08-31 02:39:41,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:41,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:41,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:41,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:41,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:41,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:41,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:41,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:41,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:41,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:41,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,061 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-08-31 02:39:41,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:41,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:41,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:41,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:41,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:41,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:41,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:41,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:41,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:41,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,111 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-08-31 02:39:41,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:41,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:41,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:41,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:41,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:41,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:41,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:41,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:41,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:41,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:41,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,141 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-08-31 02:39:41,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:41,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:41,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:41,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:41,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:41,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:41,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:41,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:41,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:41,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:41,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,182 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-08-31 02:39:41,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:41,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:41,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:39:41,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:41,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:41,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:39:41,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:41,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:39:41,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:41,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,222 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-08-31 02:39:41,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:39:41,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:39:41,230 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 02:39:41,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:39:41,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:39:41,237 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 02:39:41,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:39:41,253 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:39:41,277 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-08-31 02:39:41,277 INFO L444 ModelExtractionUtils]: 10 out of 40 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-08-31 02:39:41,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:39:41,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,279 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-08-31 02:39:41,280 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:39:41,295 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 02:39:41,295 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:39:41,295 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~b~0) = 1*ULTIMATE.start_bubblesort_~b~0 Supporting invariants [2*ULTIMATE.start_bubblesort_~a~0 - 1 >= 0] [2021-08-31 02:39:41,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:41,385 INFO L297 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2021-08-31 02:39:41,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:41,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-31 02:39:41,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:41,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 02:39:41,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:39:41,493 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 [2021-08-31 02:39:41,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:41,534 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 65 transitions. Complement of second has 8 states. [2021-08-31 02:39:41,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 02:39:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-08-31 02:39:41,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 4 letters. [2021-08-31 02:39:41,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:41,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 23 letters. Loop has 4 letters. [2021-08-31 02:39:41,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:41,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 8 letters. [2021-08-31 02:39:41,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:39:41,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2021-08-31 02:39:41,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:41,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 37 states and 46 transitions. [2021-08-31 02:39:41,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-31 02:39:41,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-31 02:39:41,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2021-08-31 02:39:41,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:41,536 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-08-31 02:39:41,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2021-08-31 02:39:41,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2021-08-31 02:39:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2021-08-31 02:39:41,537 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-08-31 02:39:41,537 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-08-31 02:39:41,538 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-08-31 02:39:41,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 36 transitions. [2021-08-31 02:39:41,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:41,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:41,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:41,538 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:41,538 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:39:41,538 INFO L791 eck$LassoCheckResult]: Stem: 1577#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1578#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1581#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1582#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1604#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1602#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1603#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1591#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1592#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1605#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1606#L74-3 assume !(q1_~i~1 < q1_~N~0); 1593#L74-4 q1_~i~1 := 0; 1594#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1583#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1584#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1585#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1586#L76-3 assume !(q1_~i~1 < q1_~N~0); 1579#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1580#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1599#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1600#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1589#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 1590#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1601#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 1595#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 1596#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1597#L20-3 [2021-08-31 02:39:41,538 INFO L793 eck$LassoCheckResult]: Loop: 1597#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1598#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1587#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1588#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1597#L20-3 [2021-08-31 02:39:41,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:41,539 INFO L82 PathProgramCache]: Analyzing trace with hash 31459128, now seen corresponding path program 1 times [2021-08-31 02:39:41,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:41,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198789476] [2021-08-31 02:39:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:41,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:41,543 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:41,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [717549086] [2021-08-31 02:39:41,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:41,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:41,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,544 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (122)] Waiting until timeout for monitored process [2021-08-31 02:39:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:41,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 02:39:41,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-31 02:39:41,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-31 02:39:41,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:41,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198789476] [2021-08-31 02:39:41,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 02:39:41,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717549086] [2021-08-31 02:39:41,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717549086] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:41,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-31 02:39:41,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-31 02:39:41,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636892118] [2021-08-31 02:39:41,734 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:41,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:41,734 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 2 times [2021-08-31 02:39:41,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:41,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577726232] [2021-08-31 02:39:41,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:41,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:41,737 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:41,739 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:41,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-31 02:39:41,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-08-31 02:39:41,819 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. cyclomatic complexity: 10 Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 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) [2021-08-31 02:39:41,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:41,948 INFO L93 Difference]: Finished difference Result 54 states and 65 transitions. [2021-08-31 02:39:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-31 02:39:41,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 65 transitions. [2021-08-31 02:39:41,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:41,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 37 states and 44 transitions. [2021-08-31 02:39:41,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-31 02:39:41,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-31 02:39:41,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 44 transitions. [2021-08-31 02:39:41,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:41,949 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-08-31 02:39:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 44 transitions. [2021-08-31 02:39:41,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2021-08-31 02:39:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2021-08-31 02:39:41,950 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2021-08-31 02:39:41,950 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2021-08-31 02:39:41,950 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-08-31 02:39:41,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 40 transitions. [2021-08-31 02:39:41,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:41,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:41,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:41,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:41,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:39:41,951 INFO L791 eck$LassoCheckResult]: Stem: 1834#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1835#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1838#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1839#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1862#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1860#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1861#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1848#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1849#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1867#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1863#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1864#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1866#L74-3 assume !(q1_~i~1 < q1_~N~0); 1852#L74-4 q1_~i~1 := 0; 1850#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1840#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1841#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1842#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1843#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1851#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1865#L76-3 assume !(q1_~i~1 < q1_~N~0); 1836#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1837#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1855#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1858#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1846#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 1847#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1859#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 1853#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 1854#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1856#L20-3 [2021-08-31 02:39:41,951 INFO L793 eck$LassoCheckResult]: Loop: 1856#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1857#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1844#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1845#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1856#L20-3 [2021-08-31 02:39:41,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:41,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1103015548, now seen corresponding path program 2 times [2021-08-31 02:39:41,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:41,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254641076] [2021-08-31 02:39:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:41,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:41,956 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:41,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766724836] [2021-08-31 02:39:41,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:41,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:41,958 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:41,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (123)] Waiting until timeout for monitored process [2021-08-31 02:39:42,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 02:39:42,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-31 02:39:42,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 02:39:42,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:42,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-08-31 02:39:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-31 02:39:42,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-31 02:39:42,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:42,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254641076] [2021-08-31 02:39:42,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 02:39:42,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766724836] [2021-08-31 02:39:42,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766724836] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:42,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-31 02:39:42,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-08-31 02:39:42,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719113173] [2021-08-31 02:39:42,187 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 02:39:42,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:42,187 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 3 times [2021-08-31 02:39:42,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:42,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110592183] [2021-08-31 02:39:42,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:42,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:42,191 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:42,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:42,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:42,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-31 02:39:42,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-08-31 02:39:42,269 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. cyclomatic complexity: 10 Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 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) [2021-08-31 02:39:42,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:42,428 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2021-08-31 02:39:42,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-31 02:39:42,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2021-08-31 02:39:42,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:42,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 58 transitions. [2021-08-31 02:39:42,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-31 02:39:42,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-31 02:39:42,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 58 transitions. [2021-08-31 02:39:42,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:42,430 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 58 transitions. [2021-08-31 02:39:42,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 58 transitions. [2021-08-31 02:39:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2021-08-31 02:39:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2021-08-31 02:39:42,432 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-08-31 02:39:42,432 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-08-31 02:39:42,432 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-08-31 02:39:42,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 45 transitions. [2021-08-31 02:39:42,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:42,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:42,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:42,432 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:42,433 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:39:42,433 INFO L791 eck$LassoCheckResult]: Stem: 2121#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 2122#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 2125#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 2126#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 2149#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 2147#L73 assume q1_#t~switch20;q1_~i~1 := 0; 2148#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2135#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2136#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2150#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2155#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2154#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2153#L74-3 assume !(q1_~i~1 < q1_~N~0); 2137#L74-4 q1_~i~1 := 0; 2138#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2127#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2128#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2129#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2130#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2152#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2151#L76-3 assume !(q1_~i~1 < q1_~N~0); 2123#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 2124#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2146#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2158#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2157#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 2142#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2143#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2145#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2133#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 2134#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2156#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 2139#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 2140#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2141#L20-3 [2021-08-31 02:39:42,433 INFO L793 eck$LassoCheckResult]: Loop: 2141#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2144#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2131#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2132#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2141#L20-3 [2021-08-31 02:39:42,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:42,433 INFO L82 PathProgramCache]: Analyzing trace with hash 545700084, now seen corresponding path program 3 times [2021-08-31 02:39:42,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:42,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677636988] [2021-08-31 02:39:42,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:42,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:42,438 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:42,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936564984] [2021-08-31 02:39:42,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-31 02:39:42,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:42,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:42,439 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:42,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Waiting until timeout for monitored process [2021-08-31 02:39:42,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-31 02:39:42,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:42,536 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:42,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:42,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:42,574 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 4 times [2021-08-31 02:39:42,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:42,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805253800] [2021-08-31 02:39:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:42,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:42,576 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:42,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:42,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:42,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1677403586, now seen corresponding path program 1 times [2021-08-31 02:39:42,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:42,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539968892] [2021-08-31 02:39:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:42,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:42,583 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:42,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899326781] [2021-08-31 02:39:42,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:42,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:42,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:42,605 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:42,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Waiting until timeout for monitored process [2021-08-31 02:39:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:39:42,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 38 conjunts are in the unsatisfiable core [2021-08-31 02:39:42,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:43,123 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-08-31 02:39:43,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 36 [2021-08-31 02:39:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-31 02:39:43,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:43,320 INFO L354 Elim1Store]: treesize reduction 81, result has 21.4 percent of original size [2021-08-31 02:39:43,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 36 [2021-08-31 02:39:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-31 02:39:43,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:43,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539968892] [2021-08-31 02:39:43,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 02:39:43,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899326781] [2021-08-31 02:39:43,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899326781] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:43,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-31 02:39:43,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 7] total 22 [2021-08-31 02:39:43,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537573258] [2021-08-31 02:39:43,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:43,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-31 02:39:43,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2021-08-31 02:39:43,479 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. cyclomatic complexity: 11 Second operand has 22 states, 22 states have (on average 2.727272727272727) internal successors, (60), 22 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:44,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:44,290 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2021-08-31 02:39:44,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-31 02:39:44,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 248 transitions. [2021-08-31 02:39:44,294 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 32 [2021-08-31 02:39:44,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 200 states and 248 transitions. [2021-08-31 02:39:44,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2021-08-31 02:39:44,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 81 [2021-08-31 02:39:44,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 248 transitions. [2021-08-31 02:39:44,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:44,296 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 248 transitions. [2021-08-31 02:39:44,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 248 transitions. [2021-08-31 02:39:44,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 52. [2021-08-31 02:39:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 51 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) [2021-08-31 02:39:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2021-08-31 02:39:44,299 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 62 transitions. [2021-08-31 02:39:44,299 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 62 transitions. [2021-08-31 02:39:44,299 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-08-31 02:39:44,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 62 transitions. [2021-08-31 02:39:44,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:44,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:44,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:44,300 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:44,300 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:39:44,301 INFO L791 eck$LassoCheckResult]: Stem: 2679#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 2680#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 2683#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 2684#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 2712#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 2710#L73 assume q1_#t~switch20;q1_~i~1 := 0; 2711#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2713#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2714#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2694#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2695#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2716#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2715#L74-3 assume !(q1_~i~1 < q1_~N~0); 2696#L74-4 q1_~i~1 := 0; 2697#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2685#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2686#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2687#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2688#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2699#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2698#L76-3 assume !(q1_~i~1 < q1_~N~0); 2681#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 2682#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2704#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2730#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2691#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2692#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2729#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2727#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2728#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 2719#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2726#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 2725#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 2705#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2702#L20-3 [2021-08-31 02:39:44,301 INFO L793 eck$LassoCheckResult]: Loop: 2702#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2706#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2708#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2690#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2702#L20-3 [2021-08-31 02:39:44,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:44,301 INFO L82 PathProgramCache]: Analyzing trace with hash -134358286, now seen corresponding path program 2 times [2021-08-31 02:39:44,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:44,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964190961] [2021-08-31 02:39:44,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:44,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:44,306 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:44,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543630776] [2021-08-31 02:39:44,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 02:39:44,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:44,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:44,324 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:44,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2021-08-31 02:39:44,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 02:39:44,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:44,434 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:44,482 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:44,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:44,483 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 5 times [2021-08-31 02:39:44,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:44,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670531561] [2021-08-31 02:39:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:44,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:44,485 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:44,487 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:44,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:44,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1090597572, now seen corresponding path program 3 times [2021-08-31 02:39:44,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:44,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818500765] [2021-08-31 02:39:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:44,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:44,500 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:44,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497338677] [2021-08-31 02:39:44,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-31 02:39:44,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:44,502 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:44,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (127)] Waiting until timeout for monitored process [2021-08-31 02:39:44,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-31 02:39:44,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-31 02:39:44,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-31 02:39:44,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:39:44,682 INFO L354 Elim1Store]: treesize reduction 57, result has 17.4 percent of original size [2021-08-31 02:39:44,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 38 [2021-08-31 02:39:44,807 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-08-31 02:39:44,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 24 [2021-08-31 02:39:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-31 02:39:44,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 02:39:44,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 86 [2021-08-31 02:39:44,978 INFO L354 Elim1Store]: treesize reduction 92, result has 13.2 percent of original size [2021-08-31 02:39:44,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1158 treesize of output 968 [2021-08-31 02:39:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-31 02:39:45,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:39:45,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818500765] [2021-08-31 02:39:45,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-31 02:39:45,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497338677] [2021-08-31 02:39:45,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497338677] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 02:39:45,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-31 02:39:45,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-08-31 02:39:45,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109198602] [2021-08-31 02:39:45,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:39:45,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-31 02:39:45,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-08-31 02:39:45,283 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. cyclomatic complexity: 14 Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:45,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:39:45,473 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2021-08-31 02:39:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-31 02:39:45,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 111 transitions. [2021-08-31 02:39:45,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-31 02:39:45,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 92 states and 111 transitions. [2021-08-31 02:39:45,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-08-31 02:39:45,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-08-31 02:39:45,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 111 transitions. [2021-08-31 02:39:45,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 02:39:45,475 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 111 transitions. [2021-08-31 02:39:45,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 111 transitions. [2021-08-31 02:39:45,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 53. [2021-08-31 02:39:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 52 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 02:39:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2021-08-31 02:39:45,480 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 64 transitions. [2021-08-31 02:39:45,480 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 64 transitions. [2021-08-31 02:39:45,480 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-08-31 02:39:45,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 64 transitions. [2021-08-31 02:39:45,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 02:39:45,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:39:45,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:39:45,483 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:39:45,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:39:45,484 INFO L791 eck$LassoCheckResult]: Stem: 3069#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3070#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 3073#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 3074#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 3100#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 3098#L73 assume q1_#t~switch20;q1_~i~1 := 0; 3099#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 3083#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 3084#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 3101#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 3106#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 3105#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 3104#L74-3 assume !(q1_~i~1 < q1_~N~0); 3085#L74-4 q1_~i~1 := 0; 3086#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 3075#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 3076#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 3077#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 3078#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 3103#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 3102#L76-3 assume !(q1_~i~1 < q1_~N~0); 3071#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 3072#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 3089#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 3111#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 3110#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 3095#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 3096#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 3108#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 3118#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 3117#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 3115#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 3114#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 3112#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 3092#L20-3 [2021-08-31 02:39:45,485 INFO L793 eck$LassoCheckResult]: Loop: 3092#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 3093#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 3097#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 3080#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 3092#L20-3 [2021-08-31 02:39:45,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:45,485 INFO L82 PathProgramCache]: Analyzing trace with hash 543853042, now seen corresponding path program 4 times [2021-08-31 02:39:45,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:45,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485004036] [2021-08-31 02:39:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:45,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:45,494 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:45,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321860722] [2021-08-31 02:39:45,505 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-31 02:39:45,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:45,508 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:45,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (128)] Waiting until timeout for monitored process [2021-08-31 02:39:45,628 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-31 02:39:45,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:45,629 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:45,669 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:45,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:45,669 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 6 times [2021-08-31 02:39:45,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:45,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121786659] [2021-08-31 02:39:45,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:45,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:45,672 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:45,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:39:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:39:45,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1937505340, now seen corresponding path program 5 times [2021-08-31 02:39:45,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:39:45,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063064470] [2021-08-31 02:39:45,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:39:45,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:39:45,683 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-31 02:39:45,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612616233] [2021-08-31 02:39:45,684 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-31 02:39:45,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 02:39:45,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:39:45,686 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 02:39:45,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Waiting until timeout for monitored process [2021-08-31 02:39:45,794 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-31 02:39:45,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-08-31 02:39:45,794 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:39:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:39:45,833 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:40:08,593 WARN L210 SmtUtils]: Spent 22.68s on a formula simplification. DAG size of input: 392 DAG size of output: 310 [2021-08-31 02:41:35,919 WARN L210 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 222 DAG size of output: 220 [2021-08-31 02:41:35,922 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:41:35,922 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:41:35,922 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:41:35,922 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:41:35,922 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:41:35,922 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:35,922 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:41:35,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:41:35,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration17_Lasso [2021-08-31 02:41:35,922 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:41:35,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:41:35,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:38,752 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-08-31 02:41:38,755 INFO L158 Benchmark]: Toolchain (without parser) took 142656.76ms. Allocated memory was 56.6MB in the beginning and 151.0MB in the end (delta: 94.4MB). Free memory was 34.9MB in the beginning and 99.5MB in the end (delta: -64.6MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2021-08-31 02:41:38,755 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:38,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.18ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 39.2MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 02:41:38,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.00ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 37.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:38,756 INFO L158 Benchmark]: Boogie Preprocessor took 15.63ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 36.1MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 02:41:38,756 INFO L158 Benchmark]: RCFGBuilder took 246.92ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 35.9MB in the beginning and 59.2MB in the end (delta: -23.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-08-31 02:41:38,756 INFO L158 Benchmark]: BuchiAutomizer took 142190.30ms. Allocated memory was 77.6MB in the beginning and 151.0MB in the end (delta: 73.4MB). Free memory was 59.2MB in the beginning and 99.5MB in the end (delta: -40.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2021-08-31 02:41:38,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.18ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 39.2MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.00ms. Allocated memory is still 56.6MB. Free memory was 39.2MB in the beginning and 37.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.63ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 36.1MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 246.92ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 35.9MB in the beginning and 59.2MB in the end (delta: -23.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 142190.30ms. Allocated memory was 77.6MB in the beginning and 151.0MB in the end (delta: 73.4MB). Free memory was 59.2MB in the beginning and 99.5MB in the end (delta: -40.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 02:41:38,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Ended with exit code 0 [2021-08-31 02:41:38,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (128)] Ended with exit code 0 [2021-08-31 02:41:39,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (127)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:39,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:39,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (125)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:39,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:39,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (123)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:40,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (122)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:40,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Ended with exit code 0 [2021-08-31 02:41:40,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:40,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2021-08-31 02:41:40,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:41,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:41,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:41,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:41,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:41,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:42,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:42,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-08-31 02:41:42,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:42,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:42,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:43,365 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forcibly destroying the process [2021-08-31 02:41:43,390 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 137 Received shutdown request...