./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/veris.c_OpenSER_cases1_stripFullBoth_arr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5826109f3da002ef221ffbad3510db88b48ab8f7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:19:29,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:19:29,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:19:29,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:19:29,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:19:29,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:19:29,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:19:29,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:19:29,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:19:29,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:19:29,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:19:29,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:19:29,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:19:29,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:19:29,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:19:29,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:19:29,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:19:29,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:19:29,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:19:29,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:19:29,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:19:29,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:19:29,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:19:29,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:19:29,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:19:29,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:19:29,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:19:29,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:19:29,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:19:29,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:19:29,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:19:29,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:19:29,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:19:29,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:19:29,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:19:29,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:19:29,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:19:29,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:19:29,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:19:29,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:19:29,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:19:29,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:19:29,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:19:29,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:19:29,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:19:29,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:19:29,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:19:29,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:19:29,335 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:19:29,336 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:19:29,336 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:19:29,336 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:19:29,336 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:19:29,336 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:19:29,337 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:19:29,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:19:29,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:19:29,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:19:29,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:19:29,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:19:29,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:19:29,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:19:29,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:19:29,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:19:29,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:19:29,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:19:29,339 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:19:29,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:19:29,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:19:29,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:19:29,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:19:29,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:19:29,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:19:29,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:19:29,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:19:29,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5826109f3da002ef221ffbad3510db88b48ab8f7 [2021-08-27 15:19:29,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:19:29,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:19:29,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:19:29,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:19:29,583 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:19:29,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-08-27 15:19:29,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf95c241/4391afc7a18d44068489b6afa023a3f8/FLAGd66d006d5 [2021-08-27 15:19:30,003 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:19:30,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-08-27 15:19:30,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf95c241/4391afc7a18d44068489b6afa023a3f8/FLAGd66d006d5 [2021-08-27 15:19:30,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cf95c241/4391afc7a18d44068489b6afa023a3f8 [2021-08-27 15:19:30,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:19:30,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:19:30,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:19:30,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:19:30,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:19:30,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0bf51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30, skipping insertion in model container [2021-08-27 15:19:30,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:19:30,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:19:30,605 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/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-08-27 15:19:30,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:19:30,678 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:19:30,698 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/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-08-27 15:19:30,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:19:30,764 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:19:30,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30 WrapperNode [2021-08-27 15:19:30,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:19:30,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:19:30,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:19:30,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:19:30,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:19:30,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:19:30,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:19:30,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:19:30,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:19:30,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:19:30,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:19:30,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:19:30,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (1/1) ... [2021-08-27 15:19:30,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:30,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:30,880 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) [2021-08-27 15:19:30,891 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 [2021-08-27 15:19:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:19:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 15:19:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 15:19:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:19:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-08-27 15:19:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:19:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:19:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 15:19:31,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:19:31,302 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-27 15:19:31,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:19:31 BoogieIcfgContainer [2021-08-27 15:19:31,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:19:31,304 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:19:31,304 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:19:31,306 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:19:31,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:19:31,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:19:30" (1/3) ... [2021-08-27 15:19:31,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6489f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:19:31, skipping insertion in model container [2021-08-27 15:19:31,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:19:31,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:30" (2/3) ... [2021-08-27 15:19:31,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b6489f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:19:31, skipping insertion in model container [2021-08-27 15:19:31,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:19:31,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:19:31" (3/3) ... [2021-08-27 15:19:31,309 INFO L389 chiAutomizerObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-08-27 15:19:31,338 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:19:31,339 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:19:31,339 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:19:31,339 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:19:31,339 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:19:31,339 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:19:31,339 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:19:31,340 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:19:31,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 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) [2021-08-27 15:19:31,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-08-27 15:19:31,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:31,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:31,374 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 15:19:31,374 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:31,374 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:19:31,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 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) [2021-08-27 15:19:31,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-08-27 15:19:31,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:31,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:31,379 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 15:19:31,379 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:31,384 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 11#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 37#L90-3true [2021-08-27 15:19:31,385 INFO L793 eck$LassoCheckResult]: Loop: 37#L90-3true assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 34#L90-2true main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 37#L90-3true [2021-08-27 15:19:31,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:31,393 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-27 15:19:31,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:31,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434903214] [2021-08-27 15:19:31,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:31,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:31,490 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:31,536 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:31,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:31,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-08-27 15:19:31,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:31,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512352832] [2021-08-27 15:19:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:31,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:31,554 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:31,567 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:31,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:31,569 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-08-27 15:19:31,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:31,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284131375] [2021-08-27 15:19:31,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:31,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:31,601 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:31,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:31,980 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:31,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:31,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:31,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:31,981 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:31,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:31,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:31,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:31,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2021-08-27 15:19:31,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:31,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:31,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:32,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:32,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:32,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:32,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:32,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:32,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:32,316 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:32,319 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:32,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,341 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) [2021-08-27 15:19:32,346 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 [2021-08-27 15:19:32,346 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 [2021-08-27 15:19:32,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:32,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:32,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:32,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:32,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:32,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:32,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:32,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 15:19:32,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,391 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) [2021-08-27 15:19:32,392 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 [2021-08-27 15:19:32,393 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 [2021-08-27 15:19:32,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:32,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:32,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:32,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:32,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:32,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:32,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:32,435 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 [2021-08-27 15:19:32,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,436 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) [2021-08-27 15:19:32,437 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 [2021-08-27 15:19:32,438 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 [2021-08-27 15:19:32,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:32,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:32,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:32,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:32,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:32,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:32,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:32,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:32,480 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 [2021-08-27 15:19:32,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,481 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) [2021-08-27 15:19:32,482 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 [2021-08-27 15:19:32,484 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 [2021-08-27 15:19:32,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:32,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:32,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:32,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:32,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:32,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:32,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:32,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:32,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,528 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) [2021-08-27 15:19:32,529 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 [2021-08-27 15:19:32,530 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 [2021-08-27 15:19:32,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:32,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:32,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:32,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:32,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:32,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:32,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:32,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:32,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,574 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) [2021-08-27 15:19:32,575 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 [2021-08-27 15:19:32,576 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 [2021-08-27 15:19:32,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:32,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:32,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:32,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:32,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:32,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:32,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:32,615 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 [2021-08-27 15:19:32,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,618 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) [2021-08-27 15:19:32,619 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 [2021-08-27 15:19:32,621 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 [2021-08-27 15:19:32,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:32,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:32,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:32,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:32,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:32,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:32,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:32,663 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-27 15:19:32,663 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-27 15:19:32,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:32,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:32,665 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) [2021-08-27 15:19:32,666 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 [2021-08-27 15:19:32,668 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:32,689 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:19:32,689 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:32,690 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1, ULTIMATE.start_main_~i~1) = 15*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 - 2*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-08-27 15:19:32,711 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 [2021-08-27 15:19:32,724 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-08-27 15:19:32,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:32,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:19:32,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:32,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 15:19:32,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:32,830 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 [2021-08-27 15:19:32,834 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 [2021-08-27 15:19:32,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:32,904 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 153 transitions. Complement of second has 8 states. [2021-08-27 15:19:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 15:19:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2021-08-27 15:19:32,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 2 letters. [2021-08-27 15:19:32,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:32,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-27 15:19:32,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:32,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 4 letters. [2021-08-27 15:19:32,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:32,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 153 transitions. [2021-08-27 15:19:32,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:32,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 32 states and 43 transitions. [2021-08-27 15:19:32,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-08-27 15:19:32,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:32,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2021-08-27 15:19:32,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:32,915 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-08-27 15:19:32,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2021-08-27 15:19:32,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-08-27 15:19:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-08-27 15:19:32,931 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-08-27 15:19:32,931 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-08-27 15:19:32,931 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:19:32,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-08-27 15:19:32,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:32,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:32,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:32,932 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:32,933 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:32,933 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 216#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 217#L90-3 assume !(main_~i~1 < 8); 227#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 228#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 222#L63-4 [2021-08-27 15:19:32,933 INFO L793 eck$LassoCheckResult]: Loop: 222#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 207#L66 assume !parse_expression_list_#t~switch7; 208#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 223#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 224#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 222#L63-4 [2021-08-27 15:19:32,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:32,934 INFO L82 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-08-27 15:19:32,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:32,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722913249] [2021-08-27 15:19:32,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:32,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:32,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:32,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722913249] [2021-08-27 15:19:32,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722913249] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:32,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:32,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:19:32,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481608745] [2021-08-27 15:19:32,965 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:32,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 1 times [2021-08-27 15:19:32,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:32,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896394891] [2021-08-27 15:19:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:32,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:32,969 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:32,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:33,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:19:33,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:19:33,026 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-08-27 15:19:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:33,038 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-08-27 15:19:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:19:33,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2021-08-27 15:19:33,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2021-08-27 15:19:33,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:33,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:33,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2021-08-27 15:19:33,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:33,041 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-08-27 15:19:33,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2021-08-27 15:19:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-08-27 15:19:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 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) [2021-08-27 15:19:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-08-27 15:19:33,043 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-08-27 15:19:33,043 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-08-27 15:19:33,043 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:19:33,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-08-27 15:19:33,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:33,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:33,044 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:33,044 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:33,044 INFO L791 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 287#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 288#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 308#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 309#L90-3 assume !(main_~i~1 < 8); 298#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 299#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 293#L63-4 [2021-08-27 15:19:33,044 INFO L793 eck$LassoCheckResult]: Loop: 293#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 278#L66 assume !parse_expression_list_#t~switch7; 279#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 294#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 295#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 293#L63-4 [2021-08-27 15:19:33,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1809669544, now seen corresponding path program 1 times [2021-08-27 15:19:33,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999992864] [2021-08-27 15:19:33,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:33,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999992864] [2021-08-27 15:19:33,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999992864] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960031012] [2021-08-27 15:19:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:33,089 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:33,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-27 15:19:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:33,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-27 15:19:33,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960031012] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:33,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-08-27 15:19:33,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316462660] [2021-08-27 15:19:33,196 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:33,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,196 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 2 times [2021-08-27 15:19:33,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452640202] [2021-08-27 15:19:33,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,200 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:33,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:33,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:19:33,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:19:33,248 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. cyclomatic complexity: 12 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) [2021-08-27 15:19:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:33,260 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2021-08-27 15:19:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 15:19:33,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2021-08-27 15:19:33,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 45 transitions. [2021-08-27 15:19:33,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:33,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:33,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2021-08-27 15:19:33,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:33,262 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2021-08-27 15:19:33,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2021-08-27 15:19:33,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-08-27 15:19:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 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) [2021-08-27 15:19:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-08-27 15:19:33,264 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-08-27 15:19:33,264 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-08-27 15:19:33,264 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:19:33,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-08-27 15:19:33,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:33,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:33,265 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-08-27 15:19:33,265 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:33,265 INFO L791 eck$LassoCheckResult]: Stem: 396#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 380#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 381#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 401#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 402#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 403#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 404#L90-3 assume !(main_~i~1 < 8); 389#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 390#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 386#L63-4 [2021-08-27 15:19:33,265 INFO L793 eck$LassoCheckResult]: Loop: 386#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 371#L66 assume !parse_expression_list_#t~switch7; 372#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 387#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 388#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 386#L63-4 [2021-08-27 15:19:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,266 INFO L82 PathProgramCache]: Analyzing trace with hash -367607194, now seen corresponding path program 2 times [2021-08-27 15:19:33,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105576469] [2021-08-27 15:19:33,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:33,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105576469] [2021-08-27 15:19:33,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105576469] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189007137] [2021-08-27 15:19:33,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 15:19:33,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:33,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:33,295 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:33,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-27 15:19:33,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 15:19:33,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:19:33,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:19:33,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189007137] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:33,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-27 15:19:33,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137846160] [2021-08-27 15:19:33,375 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:33,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,375 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 3 times [2021-08-27 15:19:33,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230309574] [2021-08-27 15:19:33,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,378 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,381 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:33,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:33,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 15:19:33,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-27 15:19:33,429 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:33,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:33,442 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-08-27 15:19:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:19:33,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-08-27 15:19:33,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 47 transitions. [2021-08-27 15:19:33,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:33,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:33,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2021-08-27 15:19:33,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:33,445 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2021-08-27 15:19:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2021-08-27 15:19:33,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2021-08-27 15:19:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 35 states have internal predecessors, (46), 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) [2021-08-27 15:19:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-08-27 15:19:33,447 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-08-27 15:19:33,447 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-08-27 15:19:33,447 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 15:19:33,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2021-08-27 15:19:33,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:33,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:33,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2021-08-27 15:19:33,448 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:33,449 INFO L791 eck$LassoCheckResult]: Stem: 501#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 484#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 485#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 505#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 506#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 507#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 510#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 509#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 508#L90-3 assume !(main_~i~1 < 8); 495#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 496#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 490#L63-4 [2021-08-27 15:19:33,449 INFO L793 eck$LassoCheckResult]: Loop: 490#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 475#L66 assume !parse_expression_list_#t~switch7; 476#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 491#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 492#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 490#L63-4 [2021-08-27 15:19:33,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1081479260, now seen corresponding path program 3 times [2021-08-27 15:19:33,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518594896] [2021-08-27 15:19:33,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:33,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518594896] [2021-08-27 15:19:33,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518594896] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759229] [2021-08-27 15:19:33,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-27 15:19:33,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:33,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:33,496 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:33,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-27 15:19:33,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-27 15:19:33,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:19:33,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:19:33,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759229] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:33,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-27 15:19:33,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948168352] [2021-08-27 15:19:33,592 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:33,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,593 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 4 times [2021-08-27 15:19:33,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116421150] [2021-08-27 15:19:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,596 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,599 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:33,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:33,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:19:33,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:19:33,647 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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) [2021-08-27 15:19:33,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:33,664 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-08-27 15:19:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 15:19:33,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-08-27 15:19:33,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2021-08-27 15:19:33,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:33,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:33,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2021-08-27 15:19:33,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:33,666 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-08-27 15:19:33,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2021-08-27 15:19:33,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-08-27 15:19:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 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) [2021-08-27 15:19:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-08-27 15:19:33,668 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-08-27 15:19:33,668 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-08-27 15:19:33,668 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 15:19:33,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-08-27 15:19:33,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:33,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:33,669 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2021-08-27 15:19:33,669 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:33,669 INFO L791 eck$LassoCheckResult]: Stem: 615#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 599#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 600#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 622#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 623#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 620#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 621#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 627#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 626#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 625#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 624#L90-3 assume !(main_~i~1 < 8); 610#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 611#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 605#L63-4 [2021-08-27 15:19:33,669 INFO L793 eck$LassoCheckResult]: Loop: 605#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 590#L66 assume !parse_expression_list_#t~switch7; 591#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 606#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 607#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 605#L63-4 [2021-08-27 15:19:33,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,670 INFO L82 PathProgramCache]: Analyzing trace with hash 82232674, now seen corresponding path program 4 times [2021-08-27 15:19:33,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154239765] [2021-08-27 15:19:33,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:33,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154239765] [2021-08-27 15:19:33,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154239765] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477241161] [2021-08-27 15:19:33,708 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-27 15:19:33,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:33,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:33,709 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:33,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-27 15:19:33,772 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-27 15:19:33,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:19:33,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 15:19:33,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477241161] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:33,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-27 15:19:33,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796205857] [2021-08-27 15:19:33,829 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,829 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 5 times [2021-08-27 15:19:33,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476980914] [2021-08-27 15:19:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,833 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:33,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:33,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:33,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 15:19:33,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-27 15:19:33,892 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:33,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:33,909 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-08-27 15:19:33,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:19:33,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-08-27 15:19:33,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-08-27 15:19:33,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:33,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:33,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-08-27 15:19:33,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:33,911 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-08-27 15:19:33,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-08-27 15:19:33,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-08-27 15:19:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 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) [2021-08-27 15:19:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-08-27 15:19:33,913 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-08-27 15:19:33,913 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-08-27 15:19:33,913 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 15:19:33,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-08-27 15:19:33,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:33,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:33,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:33,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1] [2021-08-27 15:19:33,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:33,914 INFO L791 eck$LassoCheckResult]: Stem: 741#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 725#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 726#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 748#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 749#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 746#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 747#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 755#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 754#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 753#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 752#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 751#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 750#L90-3 assume !(main_~i~1 < 8); 736#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 737#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 731#L63-4 [2021-08-27 15:19:33,914 INFO L793 eck$LassoCheckResult]: Loop: 731#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 716#L66 assume !parse_expression_list_#t~switch7; 717#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 732#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 733#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 731#L63-4 [2021-08-27 15:19:33,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:33,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1717904288, now seen corresponding path program 5 times [2021-08-27 15:19:33,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:33,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046501218] [2021-08-27 15:19:33,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:33,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:33,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:33,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046501218] [2021-08-27 15:19:33,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046501218] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:33,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293279504] [2021-08-27 15:19:33,961 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-27 15:19:33,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:33,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:33,977 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:33,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-27 15:19:34,049 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-27 15:19:34,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:19:34,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 15:19:34,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:34,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293279504] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:34,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:34,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-27 15:19:34,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062448058] [2021-08-27 15:19:34,099 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:34,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,099 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 6 times [2021-08-27 15:19:34,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730045157] [2021-08-27 15:19:34,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,102 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:34,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:34,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 15:19:34,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-08-27 15:19:34,164 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. cyclomatic complexity: 12 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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) [2021-08-27 15:19:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:34,186 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2021-08-27 15:19:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 15:19:34,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2021-08-27 15:19:34,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:34,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 53 transitions. [2021-08-27 15:19:34,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:34,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:34,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2021-08-27 15:19:34,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:34,189 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-08-27 15:19:34,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2021-08-27 15:19:34,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-08-27 15:19:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 41 states have internal predecessors, (52), 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) [2021-08-27 15:19:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2021-08-27 15:19:34,190 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-08-27 15:19:34,191 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2021-08-27 15:19:34,191 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 15:19:34,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 52 transitions. [2021-08-27 15:19:34,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:34,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:34,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:34,191 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 1, 1, 1, 1, 1] [2021-08-27 15:19:34,192 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:34,192 INFO L791 eck$LassoCheckResult]: Stem: 879#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 862#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 863#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 885#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 886#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 883#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 884#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 894#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 893#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 892#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 891#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 890#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 889#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 888#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 887#L90-3 assume !(main_~i~1 < 8); 873#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 874#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 868#L63-4 [2021-08-27 15:19:34,192 INFO L793 eck$LassoCheckResult]: Loop: 868#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 853#L66 assume !parse_expression_list_#t~switch7; 854#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 869#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 870#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 868#L63-4 [2021-08-27 15:19:34,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1640295006, now seen corresponding path program 6 times [2021-08-27 15:19:34,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983062240] [2021-08-27 15:19:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:34,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:34,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983062240] [2021-08-27 15:19:34,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983062240] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:34,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465633630] [2021-08-27 15:19:34,242 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-27 15:19:34,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:34,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:34,243 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:34,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-27 15:19:34,328 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-27 15:19:34,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:19:34,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:19:34,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:34,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465633630] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:34,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:34,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-27 15:19:34,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781895703] [2021-08-27 15:19:34,400 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:34,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,400 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 7 times [2021-08-27 15:19:34,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237231472] [2021-08-27 15:19:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,403 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:34,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:34,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 15:19:34,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-08-27 15:19:34,486 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. cyclomatic complexity: 12 Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:34,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:34,516 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-08-27 15:19:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 15:19:34,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-08-27 15:19:34,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:34,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-08-27 15:19:34,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:34,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:34,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-08-27 15:19:34,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:34,517 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-08-27 15:19:34,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-08-27 15:19:34,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-08-27 15:19:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 43 states have internal predecessors, (54), 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) [2021-08-27 15:19:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2021-08-27 15:19:34,519 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-08-27 15:19:34,519 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 54 transitions. [2021-08-27 15:19:34,519 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-27 15:19:34,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 54 transitions. [2021-08-27 15:19:34,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:34,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:34,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:34,520 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1] [2021-08-27 15:19:34,520 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:34,520 INFO L791 eck$LassoCheckResult]: Stem: 1027#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1010#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1011#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1033#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1034#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1031#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1032#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1044#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1043#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1042#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1041#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1040#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1039#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1038#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1037#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1036#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1035#L90-3 assume !(main_~i~1 < 8); 1019#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1020#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1016#L63-4 [2021-08-27 15:19:34,520 INFO L793 eck$LassoCheckResult]: Loop: 1016#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1001#L66 assume !parse_expression_list_#t~switch7; 1002#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1017#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1018#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1016#L63-4 [2021-08-27 15:19:34,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,521 INFO L82 PathProgramCache]: Analyzing trace with hash 72219036, now seen corresponding path program 7 times [2021-08-27 15:19:34,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613502163] [2021-08-27 15:19:34,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:34,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:34,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613502163] [2021-08-27 15:19:34,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613502163] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:34,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705472300] [2021-08-27 15:19:34,596 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-27 15:19:34,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:34,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:34,668 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:34,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-27 15:19:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:34,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 15:19:34,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:34,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705472300] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:34,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:34,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-08-27 15:19:34,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360816424] [2021-08-27 15:19:34,811 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:34,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,811 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 8 times [2021-08-27 15:19:34,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254648110] [2021-08-27 15:19:34,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,814 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,816 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:34,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:34,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 15:19:34,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-27 15:19:34,858 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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) [2021-08-27 15:19:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:34,882 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-08-27 15:19:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 15:19:34,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-08-27 15:19:34,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:34,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-08-27 15:19:34,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:34,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:34,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-08-27 15:19:34,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:34,885 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-08-27 15:19:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-08-27 15:19:34,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-08-27 15:19:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 45 states have internal predecessors, (56), 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) [2021-08-27 15:19:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2021-08-27 15:19:34,887 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-08-27 15:19:34,887 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-08-27 15:19:34,887 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-27 15:19:34,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 56 transitions. [2021-08-27 15:19:34,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:34,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:34,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:34,888 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1] [2021-08-27 15:19:34,888 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:34,888 INFO L791 eck$LassoCheckResult]: Stem: 1184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1168#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1169#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1191#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1192#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1189#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1190#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1204#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1203#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1202#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1201#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1200#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1199#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1198#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1197#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1196#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1195#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1194#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1193#L90-3 assume !(main_~i~1 < 8); 1179#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1180#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1174#L63-4 [2021-08-27 15:19:34,888 INFO L793 eck$LassoCheckResult]: Loop: 1174#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1159#L66 assume !parse_expression_list_#t~switch7; 1160#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1175#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1176#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1174#L63-4 [2021-08-27 15:19:34,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,889 INFO L82 PathProgramCache]: Analyzing trace with hash 684732762, now seen corresponding path program 8 times [2021-08-27 15:19:34,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735464496] [2021-08-27 15:19:34,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,897 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,908 INFO L82 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 9 times [2021-08-27 15:19:34,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028360079] [2021-08-27 15:19:34,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,923 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:34,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:34,925 INFO L82 PathProgramCache]: Analyzing trace with hash 299059334, now seen corresponding path program 1 times [2021-08-27 15:19:34,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:34,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348133177] [2021-08-27 15:19:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:34,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,937 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:34,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:40,193 WARN L207 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 224 DAG size of output: 172 [2021-08-27 15:19:40,994 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:40,994 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:40,994 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:40,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:40,994 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:40,994 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,994 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:40,994 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:40,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration10_Lasso [2021-08-27 15:19:40,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:40,994 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:40,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:41,655 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:41,656 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:41,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,657 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) [2021-08-27 15:19:41,658 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 [2021-08-27 15:19:41,708 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 [2021-08-27 15:19:41,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,741 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 [2021-08-27 15:19:41,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,742 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) [2021-08-27 15:19:41,743 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 [2021-08-27 15:19:41,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:41,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,784 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 [2021-08-27 15:19:41,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,785 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) [2021-08-27 15:19:41,787 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 [2021-08-27 15:19:41,788 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 [2021-08-27 15:19:41,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,819 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 [2021-08-27 15:19:41,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,820 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) [2021-08-27 15:19:41,822 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 [2021-08-27 15:19:41,823 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 [2021-08-27 15:19:41,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,847 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 [2021-08-27 15:19:41,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,848 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) [2021-08-27 15:19:41,849 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 [2021-08-27 15:19:41,850 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 [2021-08-27 15:19:41,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,888 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 [2021-08-27 15:19:41,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,889 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) [2021-08-27 15:19:41,891 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 [2021-08-27 15:19:41,892 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 [2021-08-27 15:19:41,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:41,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:41,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,919 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 [2021-08-27 15:19:41,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,920 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) [2021-08-27 15:19:41,921 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 [2021-08-27 15:19:41,922 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 [2021-08-27 15:19:41,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,957 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 [2021-08-27 15:19:41,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,958 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) [2021-08-27 15:19:41,964 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 [2021-08-27 15:19:41,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,974 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 [2021-08-27 15:19:41,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,998 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 [2021-08-27 15:19:41,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,000 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) [2021-08-27 15:19:42,001 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 [2021-08-27 15:19:42,002 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 [2021-08-27 15:19:42,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,039 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 [2021-08-27 15:19:42,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,041 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) [2021-08-27 15:19:42,077 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 [2021-08-27 15:19:42,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,092 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 [2021-08-27 15:19:42,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,143 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 [2021-08-27 15:19:42,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,144 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 15:19:42,146 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 [2021-08-27 15:19:42,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,173 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,183 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 [2021-08-27 15:19:42,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-27 15:19:42,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,219 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-27 15:19:42,222 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 [2021-08-27 15:19:42,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,247 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 15:19:42,249 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 [2021-08-27 15:19:42,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,291 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 15:19:42,295 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 [2021-08-27 15:19:42,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-08-27 15:19:42,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,323 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 15:19:42,325 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 [2021-08-27 15:19:42,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,371 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 15:19:42,373 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 [2021-08-27 15:19:42,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,397 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:42,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 15:19:42,399 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 [2021-08-27 15:19:42,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,426 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) [2021-08-27 15:19:42,427 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 [2021-08-27 15:19:42,428 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 [2021-08-27 15:19:42,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,452 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 [2021-08-27 15:19:42,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,453 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) [2021-08-27 15:19:42,454 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 [2021-08-27 15:19:42,455 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 [2021-08-27 15:19:42,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,511 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 [2021-08-27 15:19:42,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,529 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) [2021-08-27 15:19:42,530 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 [2021-08-27 15:19:42,531 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 [2021-08-27 15:19:42,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-27 15:19:42,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,575 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) [2021-08-27 15:19:42,576 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 [2021-08-27 15:19:42,577 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 [2021-08-27 15:19:42,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 15:19:42,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,603 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) [2021-08-27 15:19:42,603 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 [2021-08-27 15:19:42,605 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 [2021-08-27 15:19:42,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,632 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 [2021-08-27 15:19:42,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,633 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) [2021-08-27 15:19:42,634 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 [2021-08-27 15:19:42,635 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 [2021-08-27 15:19:42,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,666 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 [2021-08-27 15:19:42,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,667 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) [2021-08-27 15:19:42,668 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 [2021-08-27 15:19:42,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:42,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 15:19:42,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,698 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) [2021-08-27 15:19:42,699 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 [2021-08-27 15:19:42,700 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 [2021-08-27 15:19:42,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,726 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) [2021-08-27 15:19:42,727 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 [2021-08-27 15:19:42,728 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 [2021-08-27 15:19:42,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,792 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) [2021-08-27 15:19:42,793 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 [2021-08-27 15:19:42,799 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 [2021-08-27 15:19:42,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,805 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:19:42,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,806 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:19:42,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,856 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 [2021-08-27 15:19:42,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,858 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) [2021-08-27 15:19:42,859 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 [2021-08-27 15:19:42,860 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 [2021-08-27 15:19:42,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:42,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,912 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) [2021-08-27 15:19:42,920 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 [2021-08-27 15:19:42,922 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 [2021-08-27 15:19:42,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:42,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:42,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:42,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-27 15:19:42,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,946 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) [2021-08-27 15:19:42,957 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 [2021-08-27 15:19:42,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:42,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:42,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:42,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:42,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:42,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:42,968 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 [2021-08-27 15:19:42,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:42,992 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 [2021-08-27 15:19:42,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:42,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:42,993 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) [2021-08-27 15:19:42,994 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 [2021-08-27 15:19:42,995 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 [2021-08-27 15:19:43,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:43,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:43,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:43,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:43,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:43,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:43,021 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:43,034 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-27 15:19:43,034 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-27 15:19:43,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:43,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:43,035 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) [2021-08-27 15:19:43,036 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 [2021-08-27 15:19:43,037 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:43,058 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 15:19:43,058 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:43,058 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2, ULTIMATE.start_parse_expression_list_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2 - 1*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-08-27 15:19:43,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:43,108 INFO L297 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2021-08-27 15:19:43,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:43,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 15:19:43,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:43,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 15:19:43,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:43,370 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-08-27 15:19:43,370 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:43,426 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 92 transitions. Complement of second has 6 states. [2021-08-27 15:19:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:19:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2021-08-27 15:19:43,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 5 letters. [2021-08-27 15:19:43,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:43,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 26 letters. Loop has 5 letters. [2021-08-27 15:19:43,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:43,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 21 letters. Loop has 10 letters. [2021-08-27 15:19:43,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:43,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 92 transitions. [2021-08-27 15:19:43,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:43,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 59 states and 75 transitions. [2021-08-27 15:19:43,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-27 15:19:43,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-27 15:19:43,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 75 transitions. [2021-08-27 15:19:43,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:43,430 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-08-27 15:19:43,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 75 transitions. [2021-08-27 15:19:43,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2021-08-27 15:19:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 57 states have internal predecessors, (74), 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) [2021-08-27 15:19:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-08-27 15:19:43,432 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-08-27 15:19:43,432 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-08-27 15:19:43,432 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-27 15:19:43,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 74 transitions. [2021-08-27 15:19:43,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:43,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:43,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:43,433 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:43,433 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:43,434 INFO L791 eck$LassoCheckResult]: Stem: 1493#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1469#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1470#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1498#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1499#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1500#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1513#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1512#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1511#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1510#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1509#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1508#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1507#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1506#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1505#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1504#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1503#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1502#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1501#L90-3 assume !(main_~i~1 < 8); 1483#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1484#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1477#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1456#L66 assume parse_expression_list_#t~switch7; 1459#L67-5 [2021-08-27 15:19:43,434 INFO L793 eck$LassoCheckResult]: Loop: 1459#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1467#L67-1 assume parse_expression_list_#t~short10; 1485#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1459#L67-5 [2021-08-27 15:19:43,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:43,434 INFO L82 PathProgramCache]: Analyzing trace with hash 898188797, now seen corresponding path program 1 times [2021-08-27 15:19:43,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:43,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503823625] [2021-08-27 15:19:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:43,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,455 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:43,455 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 1 times [2021-08-27 15:19:43,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:43,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488391369] [2021-08-27 15:19:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:43,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,494 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,496 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 [2021-08-27 15:19:43,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:43,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:43,498 INFO L82 PathProgramCache]: Analyzing trace with hash 296230220, now seen corresponding path program 1 times [2021-08-27 15:19:43,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:43,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832703668] [2021-08-27 15:19:43,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:43,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-27 15:19:43,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:43,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832703668] [2021-08-27 15:19:43,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832703668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:43,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:43,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-27 15:19:43,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853069403] [2021-08-27 15:19:43,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:43,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:19:43,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:19:43,686 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. cyclomatic complexity: 20 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:43,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:43,803 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2021-08-27 15:19:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:19:43,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 118 transitions. [2021-08-27 15:19:43,804 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-08-27 15:19:43,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 118 transitions. [2021-08-27 15:19:43,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-08-27 15:19:43,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-08-27 15:19:43,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 118 transitions. [2021-08-27 15:19:43,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:43,809 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-08-27 15:19:43,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 118 transitions. [2021-08-27 15:19:43,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2021-08-27 15:19:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 64 states have internal predecessors, (83), 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) [2021-08-27 15:19:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2021-08-27 15:19:43,812 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-08-27 15:19:43,812 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-08-27 15:19:43,812 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-27 15:19:43,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 83 transitions. [2021-08-27 15:19:43,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:43,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:43,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:43,813 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:43,813 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:43,814 INFO L791 eck$LassoCheckResult]: Stem: 1665#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1640#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 1641#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1672#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1673#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1674#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1687#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1686#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1685#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1684#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1683#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1682#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1681#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1680#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1679#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1678#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1677#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 1676#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 1675#L90-3 assume !(main_~i~1 < 8); 1653#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1654#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1648#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1625#L66 assume !parse_expression_list_#t~switch7; 1626#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1651#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1652#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1649#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1650#L66 assume parse_expression_list_#t~switch7; 1636#L67-5 [2021-08-27 15:19:43,814 INFO L793 eck$LassoCheckResult]: Loop: 1636#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1637#L67-1 assume parse_expression_list_#t~short10; 1689#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1636#L67-5 [2021-08-27 15:19:43,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:43,814 INFO L82 PathProgramCache]: Analyzing trace with hash -366788055, now seen corresponding path program 1 times [2021-08-27 15:19:43,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:43,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335396138] [2021-08-27 15:19:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:43,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,826 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:43,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:43,835 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 2 times [2021-08-27 15:19:43,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:43,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172485294] [2021-08-27 15:19:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:43,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,837 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:43,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:43,839 INFO L82 PathProgramCache]: Analyzing trace with hash -586112608, now seen corresponding path program 1 times [2021-08-27 15:19:43,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:43,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409081791] [2021-08-27 15:19:43,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:43,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,847 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:43,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:48,107 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:48,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:48,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:48,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:48,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:48,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:48,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:48,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration12_Lasso [2021-08-27 15:19:48,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:48,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:48,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:48,773 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:48,773 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:48,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,774 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) [2021-08-27 15:19:48,775 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 [2021-08-27 15:19:48,776 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 [2021-08-27 15:19:48,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,813 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 [2021-08-27 15:19:48,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,814 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) [2021-08-27 15:19:48,815 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 [2021-08-27 15:19:48,816 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 [2021-08-27 15:19:48,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,855 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 [2021-08-27 15:19:48,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,856 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) [2021-08-27 15:19:48,858 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 [2021-08-27 15:19:48,861 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 [2021-08-27 15:19:48,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,897 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 [2021-08-27 15:19:48,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,898 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) [2021-08-27 15:19:48,898 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 [2021-08-27 15:19:48,900 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 [2021-08-27 15:19:48,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,924 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 [2021-08-27 15:19:48,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,926 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) [2021-08-27 15:19:48,927 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 [2021-08-27 15:19:48,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:48,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,973 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) [2021-08-27 15:19:48,974 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 [2021-08-27 15:19:48,975 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 [2021-08-27 15:19:48,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,014 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) [2021-08-27 15:19:49,015 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 [2021-08-27 15:19:49,017 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 [2021-08-27 15:19:49,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,065 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) [2021-08-27 15:19:49,078 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 [2021-08-27 15:19:49,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:49,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,115 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) [2021-08-27 15:19:49,116 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 [2021-08-27 15:19:49,117 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 [2021-08-27 15:19:49,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-08-27 15:19:49,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,143 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) [2021-08-27 15:19:49,143 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 [2021-08-27 15:19:49,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:49,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,182 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) [2021-08-27 15:19:49,183 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 [2021-08-27 15:19:49,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,194 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 [2021-08-27 15:19:49,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,218 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) [2021-08-27 15:19:49,219 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 [2021-08-27 15:19:49,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:49,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,243 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 [2021-08-27 15:19:49,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,244 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) [2021-08-27 15:19:49,245 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 [2021-08-27 15:19:49,246 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 [2021-08-27 15:19:49,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-27 15:19:49,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,288 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2021-08-27 15:19:49,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-27 15:19:49,290 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 [2021-08-27 15:19:49,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,328 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2021-08-27 15:19:49,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-27 15:19:49,330 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 [2021-08-27 15:19:49,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,359 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2021-08-27 15:19:49,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-27 15:19:49,361 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 [2021-08-27 15:19:49,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,410 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-08-27 15:19:49,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-27 15:19:49,412 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 [2021-08-27 15:19:49,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,436 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) [2021-08-27 15:19:49,437 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 [2021-08-27 15:19:49,438 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 [2021-08-27 15:19:49,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-08-27 15:19:49,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,464 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) [2021-08-27 15:19:49,465 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 [2021-08-27 15:19:49,468 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 [2021-08-27 15:19:49,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,491 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 [2021-08-27 15:19:49,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,492 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) [2021-08-27 15:19:49,493 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 [2021-08-27 15:19:49,495 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 [2021-08-27 15:19:49,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-08-27 15:19:49,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,521 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) [2021-08-27 15:19:49,522 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 [2021-08-27 15:19:49,524 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 [2021-08-27 15:19:49,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,563 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) [2021-08-27 15:19:49,563 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 [2021-08-27 15:19:49,565 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 [2021-08-27 15:19:49,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,604 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 [2021-08-27 15:19:49,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,605 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) [2021-08-27 15:19:49,606 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 [2021-08-27 15:19:49,607 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 [2021-08-27 15:19:49,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,631 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) [2021-08-27 15:19:49,632 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 [2021-08-27 15:19:49,633 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 [2021-08-27 15:19:49,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,671 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 [2021-08-27 15:19:49,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,672 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) [2021-08-27 15:19:49,673 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 [2021-08-27 15:19:49,674 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 [2021-08-27 15:19:49,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,713 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 [2021-08-27 15:19:49,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,714 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) [2021-08-27 15:19:49,715 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 [2021-08-27 15:19:49,716 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 [2021-08-27 15:19:49,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,744 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 [2021-08-27 15:19:49,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,745 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) [2021-08-27 15:19:49,745 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 [2021-08-27 15:19:49,747 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 [2021-08-27 15:19:49,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,773 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) [2021-08-27 15:19:49,774 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 [2021-08-27 15:19:49,775 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 [2021-08-27 15:19:49,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,808 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 [2021-08-27 15:19:49,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,809 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) [2021-08-27 15:19:49,810 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 [2021-08-27 15:19:49,811 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 [2021-08-27 15:19:49,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-08-27 15:19:49,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,837 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) [2021-08-27 15:19:49,838 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 [2021-08-27 15:19:49,839 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 [2021-08-27 15:19:49,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,887 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) [2021-08-27 15:19:49,888 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 [2021-08-27 15:19:49,889 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 [2021-08-27 15:19:49,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,896 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:19:49,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,898 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:19:49,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,929 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 [2021-08-27 15:19:49,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,930 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) [2021-08-27 15:19:49,931 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 [2021-08-27 15:19:49,932 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 [2021-08-27 15:19:49,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,970 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 [2021-08-27 15:19:49,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,971 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) [2021-08-27 15:19:49,972 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 [2021-08-27 15:19:49,973 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 [2021-08-27 15:19:49,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,013 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) [2021-08-27 15:19:50,014 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 [2021-08-27 15:19:50,015 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 [2021-08-27 15:19:50,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,070 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) [2021-08-27 15:19:50,070 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 [2021-08-27 15:19:50,072 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 [2021-08-27 15:19:50,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-08-27 15:19:50,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,102 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) [2021-08-27 15:19:50,103 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 [2021-08-27 15:19:50,104 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 [2021-08-27 15:19:50,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,130 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 [2021-08-27 15:19:50,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,131 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) [2021-08-27 15:19:50,132 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 [2021-08-27 15:19:50,133 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 [2021-08-27 15:19:50,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,161 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 [2021-08-27 15:19:50,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,162 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) [2021-08-27 15:19:50,163 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 [2021-08-27 15:19:50,164 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 [2021-08-27 15:19:50,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,187 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 [2021-08-27 15:19:50,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,189 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) [2021-08-27 15:19:50,189 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 [2021-08-27 15:19:50,191 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 [2021-08-27 15:19:50,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-08-27 15:19:50,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,216 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) [2021-08-27 15:19:50,217 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 [2021-08-27 15:19:50,218 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 [2021-08-27 15:19:50,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,245 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:50,269 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-08-27 15:19:50,269 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-08-27 15:19:50,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,270 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) [2021-08-27 15:19:50,270 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 [2021-08-27 15:19:50,271 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:50,286 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 15:19:50,286 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:50,286 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2, ULTIMATE.start_parse_expression_list_~start~0) = 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_2 - 1*ULTIMATE.start_parse_expression_list_~start~0 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str.offset >= 0] [2021-08-27 15:19:50,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-08-27 15:19:50,355 INFO L297 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2021-08-27 15:19:50,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:50,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:19:50,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:50,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:19:50,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:50,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:50,706 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-08-27 15:19:50,707 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:50,779 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 22. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 176 states and 237 transitions. Complement of second has 9 states. [2021-08-27 15:19:50,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 15:19:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2021-08-27 15:19:50,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 3 letters. [2021-08-27 15:19:50,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:50,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 31 letters. Loop has 3 letters. [2021-08-27 15:19:50,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:50,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 6 letters. [2021-08-27 15:19:50,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:50,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 237 transitions. [2021-08-27 15:19:50,782 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-08-27 15:19:50,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 136 states and 181 transitions. [2021-08-27 15:19:50,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-08-27 15:19:50,784 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-08-27 15:19:50,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 181 transitions. [2021-08-27 15:19:50,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:50,784 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 181 transitions. [2021-08-27 15:19:50,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 181 transitions. [2021-08-27 15:19:50,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2021-08-27 15:19:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 90 states have internal predecessors, (122), 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) [2021-08-27 15:19:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 122 transitions. [2021-08-27 15:19:50,787 INFO L704 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-08-27 15:19:50,787 INFO L587 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-08-27 15:19:50,787 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-08-27 15:19:50,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 122 transitions. [2021-08-27 15:19:50,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:50,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:50,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:50,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:50,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:50,789 INFO L791 eck$LassoCheckResult]: Stem: 2125#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2099#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2100#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2133#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2134#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2135#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2150#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2149#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2148#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2147#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2146#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2145#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2144#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2143#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2142#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2141#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2140#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2139#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2138#L90-3 assume !(main_~i~1 < 8); 2114#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2115#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2107#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2108#L66 assume parse_expression_list_#t~switch7; 2093#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2094#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2164#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2152#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2162#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2101#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2089#L70-8 [2021-08-27 15:19:50,789 INFO L793 eck$LassoCheckResult]: Loop: 2089#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2105#L70-1 assume !parse_expression_list_#t~short17; 2088#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2089#L70-8 [2021-08-27 15:19:50,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:50,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 1 times [2021-08-27 15:19:50,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:50,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618096290] [2021-08-27 15:19:50,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:50,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-27 15:19:50,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:50,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618096290] [2021-08-27 15:19:50,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618096290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:50,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:50,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-27 15:19:50,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924226128] [2021-08-27 15:19:50,965 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:50,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:50,965 INFO L82 PathProgramCache]: Analyzing trace with hash 89761, now seen corresponding path program 1 times [2021-08-27 15:19:50,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:50,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572504988] [2021-08-27 15:19:50,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:50,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:50,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:50,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572504988] [2021-08-27 15:19:50,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572504988] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:50,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:50,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 15:19:50,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446536435] [2021-08-27 15:19:50,977 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:19:50,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:50,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:19:50,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:19:50,978 INFO L87 Difference]: Start difference. First operand 91 states and 122 transitions. cyclomatic complexity: 38 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 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) [2021-08-27 15:19:50,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:50,986 INFO L93 Difference]: Finished difference Result 93 states and 123 transitions. [2021-08-27 15:19:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:19:50,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 123 transitions. [2021-08-27 15:19:50,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:50,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 92 states and 122 transitions. [2021-08-27 15:19:50,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-08-27 15:19:50,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-08-27 15:19:50,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 122 transitions. [2021-08-27 15:19:50,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:50,991 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-08-27 15:19:50,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 122 transitions. [2021-08-27 15:19:51,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-08-27 15:19:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.326086956521739) internal successors, (122), 91 states have internal predecessors, (122), 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) [2021-08-27 15:19:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-08-27 15:19:51,001 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-08-27 15:19:51,002 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-08-27 15:19:51,002 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-08-27 15:19:51,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 122 transitions. [2021-08-27 15:19:51,004 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:51,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:51,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:51,004 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:51,004 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:51,004 INFO L791 eck$LassoCheckResult]: Stem: 2317#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2292#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2293#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2327#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2328#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2330#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2361#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2359#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2356#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2354#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2350#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2348#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2343#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2339#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2335#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2334#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2333#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2332#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2331#L90-3 assume !(main_~i~1 < 8); 2306#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2307#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2301#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2278#L66 assume parse_expression_list_#t~switch7; 2281#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2288#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2346#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2340#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2336#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2294#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2285#L70-8 [2021-08-27 15:19:51,005 INFO L793 eck$LassoCheckResult]: Loop: 2285#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2299#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2325#L70-2 assume parse_expression_list_#t~short16; 2314#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2284#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2285#L70-8 [2021-08-27 15:19:51,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 2 times [2021-08-27 15:19:51,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961726970] [2021-08-27 15:19:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-27 15:19:51,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:51,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961726970] [2021-08-27 15:19:51,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961726970] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:51,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:51,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-27 15:19:51,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723637412] [2021-08-27 15:19:51,157 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:51,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,157 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 1 times [2021-08-27 15:19:51,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459571194] [2021-08-27 15:19:51,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,160 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,162 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:51,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:51,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 15:19:51,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-27 15:19:51,234 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. cyclomatic complexity: 37 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:51,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:51,367 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-08-27 15:19:51,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:19:51,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2021-08-27 15:19:51,368 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-08-27 15:19:51,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 117 states and 151 transitions. [2021-08-27 15:19:51,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-08-27 15:19:51,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-08-27 15:19:51,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 151 transitions. [2021-08-27 15:19:51,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:51,369 INFO L681 BuchiCegarLoop]: Abstraction has 117 states and 151 transitions. [2021-08-27 15:19:51,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 151 transitions. [2021-08-27 15:19:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 88. [2021-08-27 15:19:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 87 states have internal predecessors, (116), 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) [2021-08-27 15:19:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 116 transitions. [2021-08-27 15:19:51,371 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-08-27 15:19:51,371 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-08-27 15:19:51,371 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-08-27 15:19:51,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 116 transitions. [2021-08-27 15:19:51,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:51,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:51,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:51,372 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:51,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:51,372 INFO L791 eck$LassoCheckResult]: Stem: 2551#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2526#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2527#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2558#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2559#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2561#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2575#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2574#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2573#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2572#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2571#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2570#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2569#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2568#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2567#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2566#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2565#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2564#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2563#L90-3 assume !(main_~i~1 < 8); 2540#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2541#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2535#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2514#L66 assume parse_expression_list_#t~switch7; 2517#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2524#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2544#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2545#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2552#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 2528#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2521#L70-8 [2021-08-27 15:19:51,372 INFO L793 eck$LassoCheckResult]: Loop: 2521#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2533#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2556#L70-2 assume parse_expression_list_#t~short16; 2548#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2520#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2521#L70-8 [2021-08-27 15:19:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1161473974, now seen corresponding path program 1 times [2021-08-27 15:19:51,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553050372] [2021-08-27 15:19:51,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,380 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:51,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,388 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 2 times [2021-08-27 15:19:51,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68918316] [2021-08-27 15:19:51,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,391 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:51,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1035891741, now seen corresponding path program 1 times [2021-08-27 15:19:51,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702594772] [2021-08-27 15:19:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-27 15:19:51,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:51,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702594772] [2021-08-27 15:19:51,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702594772] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:51,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:51,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 15:19:51,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423473496] [2021-08-27 15:19:51,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:51,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 15:19:51,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-27 15:19:51,481 INFO L87 Difference]: Start difference. First operand 88 states and 116 transitions. cyclomatic complexity: 35 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:51,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:51,548 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2021-08-27 15:19:51,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:19:51,548 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 172 transitions. [2021-08-27 15:19:51,549 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:19:51,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 127 states and 164 transitions. [2021-08-27 15:19:51,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:51,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:51,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 164 transitions. [2021-08-27 15:19:51,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:51,550 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 164 transitions. [2021-08-27 15:19:51,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 164 transitions. [2021-08-27 15:19:51,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 92. [2021-08-27 15:19:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 91 states have internal predecessors, (119), 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) [2021-08-27 15:19:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-08-27 15:19:51,552 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-08-27 15:19:51,552 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-08-27 15:19:51,552 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-08-27 15:19:51,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 119 transitions. [2021-08-27 15:19:51,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:51,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:51,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:51,553 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:51,553 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:51,553 INFO L791 eck$LassoCheckResult]: Stem: 2792#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2766#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 2767#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2803#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2804#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2805#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2820#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2819#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2818#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2817#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2816#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2815#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2814#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2813#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2812#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2811#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2810#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 2807#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 2806#L90-3 assume !(main_~i~1 < 8); 2780#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2781#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2775#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2776#L66 assume !parse_expression_list_#t~switch7; 2834#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2845#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2844#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 2836#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2833#L66 assume parse_expression_list_#t~switch7; 2829#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2826#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2823#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2822#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2821#L68 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2768#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2761#L70-8 [2021-08-27 15:19:51,553 INFO L793 eck$LassoCheckResult]: Loop: 2761#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2773#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 2801#L70-2 assume parse_expression_list_#t~short16; 2789#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 2760#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 2761#L70-8 [2021-08-27 15:19:51,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1836811464, now seen corresponding path program 1 times [2021-08-27 15:19:51,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375655419] [2021-08-27 15:19:51,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,577 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:51,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,587 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 3 times [2021-08-27 15:19:51,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610726273] [2021-08-27 15:19:51,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,589 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:51,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:51,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1492455953, now seen corresponding path program 1 times [2021-08-27 15:19:51,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50846537] [2021-08-27 15:19:51,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-27 15:19:51,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:51,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50846537] [2021-08-27 15:19:51,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50846537] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:51,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390813072] [2021-08-27 15:19:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,627 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:51,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-08-27 15:19:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:51,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 15:19:51,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-27 15:19:51,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390813072] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:51,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:51,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-08-27 15:19:51,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593477768] [2021-08-27 15:19:51,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:51,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:19:51,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:19:51,952 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. cyclomatic complexity: 34 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) [2021-08-27 15:19:52,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:52,045 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2021-08-27 15:19:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 15:19:52,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 239 transitions. [2021-08-27 15:19:52,047 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-27 15:19:52,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 167 states and 217 transitions. [2021-08-27 15:19:52,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-08-27 15:19:52,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-08-27 15:19:52,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 217 transitions. [2021-08-27 15:19:52,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:52,048 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 217 transitions. [2021-08-27 15:19:52,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 217 transitions. [2021-08-27 15:19:52,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2021-08-27 15:19:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.303030303030303) internal successors, (172), 131 states have internal predecessors, (172), 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) [2021-08-27 15:19:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2021-08-27 15:19:52,050 INFO L704 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-08-27 15:19:52,050 INFO L587 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-08-27 15:19:52,050 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-08-27 15:19:52,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 172 transitions. [2021-08-27 15:19:52,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:19:52,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:52,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:52,051 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:52,051 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:52,052 INFO L791 eck$LassoCheckResult]: Stem: 3204#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3177#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3178#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3211#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3212#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3229#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3228#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3227#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3226#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3225#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3224#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3223#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3222#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3221#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3220#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3219#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3215#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3214#L90-3 assume !(main_~i~1 < 8); 3193#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 3194#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3186#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3187#L66 assume !parse_expression_list_#t~switch7; 3267#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3266#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3265#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3264#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3262#L66 assume !parse_expression_list_#t~switch7; 3252#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3259#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3256#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3253#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3251#L66 assume parse_expression_list_#t~switch7; 3249#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3250#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3268#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3201#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3202#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3179#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3171#L70-8 [2021-08-27 15:19:52,052 INFO L793 eck$LassoCheckResult]: Loop: 3171#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3184#L70-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 3208#L70-2 assume parse_expression_list_#t~short16; 3195#L70-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 3170#L70-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 3171#L70-8 [2021-08-27 15:19:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1704815562, now seen corresponding path program 1 times [2021-08-27 15:19:52,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727350501] [2021-08-27 15:19:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,061 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:52,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,071 INFO L82 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 4 times [2021-08-27 15:19:52,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976860419] [2021-08-27 15:19:52,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,073 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,074 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:52,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,075 INFO L82 PathProgramCache]: Analyzing trace with hash -2027190115, now seen corresponding path program 1 times [2021-08-27 15:19:52,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197440334] [2021-08-27 15:19:52,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,084 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:58,624 WARN L207 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 319 DAG size of output: 231 [2021-08-27 15:19:59,324 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:59,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:59,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:59,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:59,324 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:59,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:59,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:59,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:59,324 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration17_Lasso [2021-08-27 15:19:59,324 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:59,324 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:59,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:59,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:20:00,350 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:20:00,350 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:20:00,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,355 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) [2021-08-27 15:20:00,356 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 [2021-08-27 15:20:00,357 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 [2021-08-27 15:20:00,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:00,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,393 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) [2021-08-27 15:20:00,394 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 [2021-08-27 15:20:00,395 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 [2021-08-27 15:20:00,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,432 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 [2021-08-27 15:20:00,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,434 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) [2021-08-27 15:20:00,434 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 [2021-08-27 15:20:00,437 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 [2021-08-27 15:20:00,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,474 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 [2021-08-27 15:20:00,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,475 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) [2021-08-27 15:20:00,476 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 [2021-08-27 15:20:00,478 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 [2021-08-27 15:20:00,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:00,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:00,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,518 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 [2021-08-27 15:20:00,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,519 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) [2021-08-27 15:20:00,520 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 [2021-08-27 15:20:00,521 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 [2021-08-27 15:20:00,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:00,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:00,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-08-27 15:20:00,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,560 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) [2021-08-27 15:20:00,561 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 [2021-08-27 15:20:00,563 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 [2021-08-27 15:20:00,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,598 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 [2021-08-27 15:20:00,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,599 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) [2021-08-27 15:20:00,605 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 [2021-08-27 15:20:00,607 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 [2021-08-27 15:20:00,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:00,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:00,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-08-27 15:20:00,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,647 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) [2021-08-27 15:20:00,648 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 [2021-08-27 15:20:00,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:00,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,687 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 [2021-08-27 15:20:00,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,688 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2021-08-27 15:20:00,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-08-27 15:20:00,691 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 [2021-08-27 15:20:00,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:00,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,730 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2021-08-27 15:20:00,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-08-27 15:20:00,732 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 [2021-08-27 15:20:00,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-08-27 15:20:00,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,771 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) [2021-08-27 15:20:00,772 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 [2021-08-27 15:20:00,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:00,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:00,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,812 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) [2021-08-27 15:20:00,812 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 [2021-08-27 15:20:00,814 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 [2021-08-27 15:20:00,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-08-27 15:20:00,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,838 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) [2021-08-27 15:20:00,839 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 [2021-08-27 15:20:00,841 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 [2021-08-27 15:20:00,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-08-27 15:20:00,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,872 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) [2021-08-27 15:20:00,873 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 [2021-08-27 15:20:00,874 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 [2021-08-27 15:20:00,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:00,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:00,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:00,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,914 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) [2021-08-27 15:20:00,914 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 [2021-08-27 15:20:00,916 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 [2021-08-27 15:20:00,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:00,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:00,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:00,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,955 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) [2021-08-27 15:20:00,959 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 [2021-08-27 15:20:00,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:00,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:00,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:00,967 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 [2021-08-27 15:20:00,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:00,982 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 [2021-08-27 15:20:00,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:00,984 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) [2021-08-27 15:20:00,984 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 [2021-08-27 15:20:00,986 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 [2021-08-27 15:20:00,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:00,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:00,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:00,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:00,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:00,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:00,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-08-27 15:20:01,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,012 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) [2021-08-27 15:20:01,013 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 [2021-08-27 15:20:01,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:01,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-08-27 15:20:01,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,042 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) [2021-08-27 15:20:01,043 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 [2021-08-27 15:20:01,044 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 [2021-08-27 15:20:01,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:01,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:01,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:01,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-08-27 15:20:01,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,069 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) [2021-08-27 15:20:01,070 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 [2021-08-27 15:20:01,071 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 [2021-08-27 15:20:01,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,096 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 [2021-08-27 15:20:01,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,098 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) [2021-08-27 15:20:01,098 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 [2021-08-27 15:20:01,100 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 [2021-08-27 15:20:01,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:01,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,126 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) [2021-08-27 15:20:01,127 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 [2021-08-27 15:20:01,128 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 [2021-08-27 15:20:01,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:01,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,155 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) [2021-08-27 15:20:01,156 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 [2021-08-27 15:20:01,157 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 [2021-08-27 15:20:01,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-08-27 15:20:01,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,185 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) [2021-08-27 15:20:01,185 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 [2021-08-27 15:20:01,187 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 [2021-08-27 15:20:01,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,218 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 [2021-08-27 15:20:01,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,219 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) [2021-08-27 15:20:01,222 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 [2021-08-27 15:20:01,223 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 [2021-08-27 15:20:01,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:01,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-08-27 15:20:01,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,264 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) [2021-08-27 15:20:01,265 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 [2021-08-27 15:20:01,266 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 [2021-08-27 15:20:01,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:01,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:01,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:01,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:01,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:01,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:01,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:20:01,302 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-08-27 15:20:01,302 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-08-27 15:20:01,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:01,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:01,303 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) [2021-08-27 15:20:01,304 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 [2021-08-27 15:20:01,305 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:20:01,326 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:20:01,326 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:20:01,326 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0) = 1*ULTIMATE.start_parse_expression_list_~j~0 Supporting invariants [] [2021-08-27 15:20:01,345 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 [2021-08-27 15:20:01,401 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-08-27 15:20:01,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:01,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:20:01,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:01,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:20:01,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:20:01,593 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 15:20:01,593 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2021-08-27 15:20:01,681 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 [2021-08-27 15:20:01,703 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 132 states and 172 transitions. cyclomatic complexity: 50. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) Result 292 states and 386 transitions. Complement of second has 11 states. [2021-08-27 15:20:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-08-27 15:20:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2021-08-27 15:20:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2021-08-27 15:20:01,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 5 letters. [2021-08-27 15:20:01,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:01,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 44 letters. Loop has 5 letters. [2021-08-27 15:20:01,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:01,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 10 letters. [2021-08-27 15:20:01,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:01,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 386 transitions. [2021-08-27 15:20:01,708 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2021-08-27 15:20:01,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 192 states and 251 transitions. [2021-08-27 15:20:01,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-08-27 15:20:01,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-08-27 15:20:01,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 251 transitions. [2021-08-27 15:20:01,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:20:01,710 INFO L681 BuchiCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-08-27 15:20:01,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 251 transitions. [2021-08-27 15:20:01,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 138. [2021-08-27 15:20:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.2971014492753623) internal successors, (179), 137 states have internal predecessors, (179), 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) [2021-08-27 15:20:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-08-27 15:20:01,712 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-08-27 15:20:01,712 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-08-27 15:20:01,712 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-08-27 15:20:01,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 179 transitions. [2021-08-27 15:20:01,713 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:20:01,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:20:01,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:20:01,713 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:20:01,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:20:01,714 INFO L791 eck$LassoCheckResult]: Stem: 3912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3884#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 3885#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3921#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3922#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3923#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3936#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3935#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3934#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3933#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3932#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3931#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3930#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3929#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3928#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3927#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3926#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 3925#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 3924#L90-3 assume !(main_~i~1 < 8); 3900#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 3901#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3893#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3894#L66 assume parse_expression_list_#t~switch7; 3990#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3998#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3997#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3996#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3995#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3994#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3993#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3992#L70-1 assume !parse_expression_list_#t~short17; 3991#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 3989#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 3987#L71 assume !parse_expression_list_#t~short20; 3985#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 3983#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 3981#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 3978#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3977#L15 assume !(0 == __VERIFIER_assert_~cond); 3975#L15-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 3973#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 3971#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3968#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3966#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3962#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3958#L66 assume parse_expression_list_#t~switch7; 3903#L67-5 [2021-08-27 15:20:01,714 INFO L793 eck$LassoCheckResult]: Loop: 3903#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3945#L67-1 assume parse_expression_list_#t~short10; 3902#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 3903#L67-5 [2021-08-27 15:20:01,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:01,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1896680144, now seen corresponding path program 1 times [2021-08-27 15:20:01,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:01,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340464601] [2021-08-27 15:20:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:01,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-27 15:20:01,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:20:01,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340464601] [2021-08-27 15:20:01,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340464601] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:20:01,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:20:01,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:20:01,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657899204] [2021-08-27 15:20:01,782 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:20:01,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:01,782 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 3 times [2021-08-27 15:20:01,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:01,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499434876] [2021-08-27 15:20:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:01,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:01,786 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:20:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:01,791 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:20:01,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:20:01,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:20:01,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:20:01,839 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2021-08-27 15:20:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:20:01,908 INFO L93 Difference]: Finished difference Result 140 states and 182 transitions. [2021-08-27 15:20:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:20:01,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 182 transitions. [2021-08-27 15:20:01,909 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:20:01,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 127 states and 167 transitions. [2021-08-27 15:20:01,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-08-27 15:20:01,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-27 15:20:01,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 167 transitions. [2021-08-27 15:20:01,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:20:01,911 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 167 transitions. [2021-08-27 15:20:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 167 transitions. [2021-08-27 15:20:01,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2021-08-27 15:20:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 106 states have internal predecessors, (139), 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) [2021-08-27 15:20:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2021-08-27 15:20:01,913 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-08-27 15:20:01,913 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-08-27 15:20:01,913 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-08-27 15:20:01,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 139 transitions. [2021-08-27 15:20:01,914 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:20:01,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:20:01,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:20:01,915 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:20:01,915 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:20:01,915 INFO L791 eck$LassoCheckResult]: Stem: 4202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 4175#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~post23, main_~i~1, main_#t~ret25, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);main_~i~1 := 0; 4176#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4210#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4211#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4213#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4249#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4247#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4245#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4243#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4236#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4235#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4234#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4233#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4232#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4230#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4228#L90-3 assume !!(main_~i~1 < 8);call write~int(main_#t~nondet24, main_~#A~0.base, main_~#A~0.offset + main_~i~1, 1);havoc main_#t~nondet24; 4225#L90-2 main_#t~post23 := main_~i~1;main_~i~1 := 1 + main_#t~post23;havoc main_#t~post23; 4224#L90-3 assume !(main_~i~1 < 8); 4191#L90-4 call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 4192#L62 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 4184#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4162#L66 assume !parse_expression_list_#t~switch7; 4163#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4187#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4188#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4268#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4267#L66 assume parse_expression_list_#t~switch7; 4263#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4262#L67-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 4260#L67-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 4258#L67-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 4256#L68 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 4178#L68-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 4179#L70-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 4183#L70-1 assume !parse_expression_list_#t~short17; 4209#L70-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 4220#L70-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 4218#L71 assume !parse_expression_list_#t~short20; 4217#L71-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 4189#L71-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0; 4190#L73 assume !(1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) >= 2);r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 4206#L42 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4204#L15 assume !(0 == __VERIFIER_assert_~cond); 4180#L15-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 4181#L72 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 4212#L65 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 4241#L63-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 4240#L63-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 4239#L63-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 4237#L66 assume parse_expression_list_#t~switch7; 4170#L67-5 [2021-08-27 15:20:01,916 INFO L793 eck$LassoCheckResult]: Loop: 4170#L67-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 4171#L67-1 assume parse_expression_list_#t~short10; 4193#L67-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 4170#L67-5 [2021-08-27 15:20:01,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1759377532, now seen corresponding path program 1 times [2021-08-27 15:20:01,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:01,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732843621] [2021-08-27 15:20:01,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:01,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-08-27 15:20:02,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:20:02,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732843621] [2021-08-27 15:20:02,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732843621] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:20:02,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875679029] [2021-08-27 15:20:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:02,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:20:02,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:02,027 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:20:02,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Waiting until timeout for monitored process [2021-08-27 15:20:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:02,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-27 15:20:02,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:02,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 15:20:02,330 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 15:20:02,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-27 15:20:02,511 INFO L354 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2021-08-27 15:20:02,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2021-08-27 15:20:02,594 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-08-27 15:20:02,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 14 [2021-08-27 15:20:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-08-27 15:20:02,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875679029] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:20:02,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:20:02,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-08-27 15:20:02,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938771951] [2021-08-27 15:20:02,602 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:20:02,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:02,602 INFO L82 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 4 times [2021-08-27 15:20:02,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:02,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477551061] [2021-08-27 15:20:02,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:02,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:02,605 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:20:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:02,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:20:02,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:20:02,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-27 15:20:02,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-08-27 15:20:02,664 INFO L87 Difference]: Start difference. First operand 107 states and 139 transitions. cyclomatic complexity: 40 Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 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) [2021-08-27 15:20:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:20:02,789 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2021-08-27 15:20:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 15:20:02,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2021-08-27 15:20:02,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:20:02,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2021-08-27 15:20:02,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:20:02,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:20:02,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:20:02,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:20:02,790 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:20:02,790 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:20:02,790 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:20:02,790 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-08-27 15:20:02,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:20:02,791 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:20:02,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:20:02,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:20:02 BoogieIcfgContainer [2021-08-27 15:20:02,795 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:20:02,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:20:02,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:20:02,796 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:20:02,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:19:31" (3/4) ... [2021-08-27 15:20:02,798 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:20:02,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:20:02,798 INFO L168 Benchmark]: Toolchain (without parser) took 32381.45 ms. Allocated memory was 62.9 MB in the beginning and 226.5 MB in the end (delta: 163.6 MB). Free memory was 43.4 MB in the beginning and 124.8 MB in the end (delta: -81.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:02,798 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:20:02,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.38 ms. Allocated memory is still 62.9 MB. Free memory was 43.2 MB in the beginning and 46.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:02,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.43 ms. Allocated memory is still 62.9 MB. Free memory was 46.4 MB in the beginning and 44.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:20:02,799 INFO L168 Benchmark]: Boogie Preprocessor took 44.96 ms. Allocated memory is still 62.9 MB. Free memory was 44.5 MB in the beginning and 42.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:02,799 INFO L168 Benchmark]: RCFGBuilder took 445.53 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 42.9 MB in the beginning and 63.2 MB in the end (delta: -20.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:02,799 INFO L168 Benchmark]: BuchiAutomizer took 31490.76 ms. Allocated memory was 88.1 MB in the beginning and 226.5 MB in the end (delta: 138.4 MB). Free memory was 63.2 MB in the beginning and 124.8 MB in the end (delta: -61.6 MB). Peak memory consumption was 76.3 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:02,800 INFO L168 Benchmark]: Witness Printer took 2.47 ms. Allocated memory is still 226.5 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:20:02,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 347.38 ms. Allocated memory is still 62.9 MB. Free memory was 43.2 MB in the beginning and 46.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.43 ms. Allocated memory is still 62.9 MB. Free memory was 46.4 MB in the beginning and 44.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.96 ms. Allocated memory is still 62.9 MB. Free memory was 44.5 MB in the beginning and 42.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 445.53 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 42.9 MB in the beginning and 63.2 MB in the end (delta: -20.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 31490.76 ms. Allocated memory was 88.1 MB in the beginning and 226.5 MB in the end (delta: 138.4 MB). Free memory was 63.2 MB in the beginning and 124.8 MB in the end (delta: -61.6 MB). Peak memory consumption was 76.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.47 ms. Allocated memory is still 226.5 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 19 terminating modules (15 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 * unknown-#length-unknown[A] + -2 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[A] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[str] + -1 * start and consists of 6 locations. One deterministic module has affine ranking function j and consists of 6 locations. 15 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.4s and 20 iterations. TraceHistogramMax:8. Analysis of lassos took 29.2s. Construction of modules took 0.5s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 9. Automata minimization 48.1ms AutomataMinimizationTime, 18 MinimizatonAttempts, 252 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 17. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 685 SDtfs, 816 SDslu, 1473 SDs, 0 SdLazy, 792 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 513.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU11 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital248 mio100 ax100 hnf99 lsp93 ukn53 mio100 lsp38 div100 bol100 ite100 ukn100 eq184 hnf90 smp100 dnf156 smp82 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:20:02,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (119)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:03,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:03,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-08-27 15:20:03,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-08-27 15:20:03,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:03,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:04,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:04,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:04,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-27 15:20:04,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...