./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 e19ca921 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 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:12:43,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:12:43,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:12:43,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:12:43,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:12:43,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:12:43,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:12:43,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:12:43,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:12:43,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:12:43,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:12:43,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:12:43,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:12:43,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:12:43,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:12:43,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:12:43,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:12:43,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:12:43,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:12:43,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:12:43,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:12:43,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:12:43,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:12:43,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:12:43,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:12:43,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:12:43,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:12:43,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:12:43,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:12:43,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:12:43,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:12:43,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:12:43,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:12:43,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:12:43,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:12:43,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:12:43,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:12:43,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:12:43,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:12:43,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:12:43,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:12:43,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:12:43,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:12:43,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:12:43,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:12:43,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:12:43,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:12:43,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:12:43,993 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:12:43,993 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:12:43,994 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:12:43,994 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:12:43,995 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:12:43,995 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:12:43,995 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:12:44,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:12:44,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:12:44,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:12:44,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:12:44,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:12:44,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:12:44,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:12:44,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:12:44,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:12:44,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:12:44,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:12:44,007 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:12:44,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:12:44,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:12:44,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:12:44,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:12:44,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:12:44,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:12:44,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:12:44,009 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:12:44,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970cab0a23b690f163a0a51afef8881644c6447187bc11bbe1f60a2a40cf01a7 [2021-12-22 20:12:44,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:12:44,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:12:44,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:12:44,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:12:44,272 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:12:44,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-12-22 20:12:44,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db813793/ceed43d752314b50ac693ef652641cd7/FLAG0d41eb2e8 [2021-12-22 20:12:44,787 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:12:44,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-12-22 20:12:44,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db813793/ceed43d752314b50ac693ef652641cd7/FLAG0d41eb2e8 [2021-12-22 20:12:45,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7db813793/ceed43d752314b50ac693ef652641cd7 [2021-12-22 20:12:45,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:12:45,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:12:45,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:12:45,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:12:45,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:12:45,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477d6e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45, skipping insertion in model container [2021-12-22 20:12:45,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:12:45,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:12:45,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-12-22 20:12:45,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:12:45,505 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:12:45,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2021-12-22 20:12:45,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:12:45,546 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:12:45,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45 WrapperNode [2021-12-22 20:12:45,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:12:45,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:12:45,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:12:45,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:12:45,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,592 INFO L137 Inliner]: procedures = 42, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2021-12-22 20:12:45,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:12:45,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:12:45,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:12:45,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:12:45,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:12:45,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:12:45,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:12:45,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:12:45,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (1/1) ... [2021-12-22 20:12:45,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:45,681 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) [2021-12-22 20:12:45,692 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 [2021-12-22 20:12:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:12:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 20:12:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 20:12:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 20:12:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:12:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 20:12:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:12:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:12:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 20:12:45,797 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:12:45,799 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:12:46,021 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:12:46,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:12:46,027 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 20:12:46,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:12:46 BoogieIcfgContainer [2021-12-22 20:12:46,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:12:46,030 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:12:46,030 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:12:46,041 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:12:46,042 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:12:46,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:12:45" (1/3) ... [2021-12-22 20:12:46,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ea2a45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:12:46, skipping insertion in model container [2021-12-22 20:12:46,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:12:46,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:45" (2/3) ... [2021-12-22 20:12:46,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ea2a45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:12:46, skipping insertion in model container [2021-12-22 20:12:46,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:12:46,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:12:46" (3/3) ... [2021-12-22 20:12:46,045 INFO L388 chiAutomizerObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2021-12-22 20:12:46,092 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:12:46,092 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:12:46,092 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:12:46,092 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:12:46,092 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:12:46,092 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:12:46,092 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:12:46,092 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:12:46,104 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) [2021-12-22 20:12:46,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-12-22 20:12:46,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:46,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:46,122 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 20:12:46,122 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 20:12:46,122 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:12:46,123 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) [2021-12-22 20:12:46,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2021-12-22 20:12:46,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:46,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:46,125 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 20:12:46,125 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-22 20:12:46,131 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 37#L90-3true [2021-12-22 20:12:46,132 INFO L793 eck$LassoCheckResult]: Loop: 37#L90-3true assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 34#L90-2true main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 37#L90-3true [2021-12-22 20:12:46,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:46,138 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-22 20:12:46,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:46,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947153947] [2021-12-22 20:12:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:46,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:46,259 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:46,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:46,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:46,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-22 20:12:46,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:46,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822859719] [2021-12-22 20:12:46,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:46,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:46,322 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:46,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:46,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:46,330 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-22 20:12:46,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:46,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658999875] [2021-12-22 20:12:46,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:46,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:46,355 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:46,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:46,679 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:12:46,680 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:12:46,680 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:12:46,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:12:46,680 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:12:46,680 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:46,681 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:12:46,681 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:12:46,681 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2021-12-22 20:12:46,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:12:46,682 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:12:46,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:46,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:46,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:46,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:46,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:46,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:47,102 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:12:47,106 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:12:47,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:47,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:47,112 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) [2021-12-22 20:12:47,115 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 [2021-12-22 20:12:47,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:47,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:47,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:47,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:47,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:47,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:47,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:47,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:47,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:47,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:47,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:47,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:47,160 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) [2021-12-22 20:12:47,162 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 [2021-12-22 20:12:47,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:47,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:47,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:47,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:47,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:47,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:47,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:47,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:47,210 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 [2021-12-22 20:12:47,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:47,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:47,212 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) [2021-12-22 20:12:47,217 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 [2021-12-22 20:12:47,218 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 [2021-12-22 20:12:47,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:47,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:47,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:47,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:47,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:47,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:47,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:47,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:47,264 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 [2021-12-22 20:12:47,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:47,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:47,266 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) [2021-12-22 20:12:47,267 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 [2021-12-22 20:12:47,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:47,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:47,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:47,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:47,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:47,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:47,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:47,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:47,317 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 [2021-12-22 20:12:47,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:47,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:47,319 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) [2021-12-22 20:12:47,335 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 [2021-12-22 20:12:47,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:47,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:47,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:47,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:47,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:47,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:47,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:47,366 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:12:47,385 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-22 20:12:47,385 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-22 20:12:47,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:47,392 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) [2021-12-22 20:12:47,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:12:47,444 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-22 20:12:47,444 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:12:47,445 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 15*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1 - 2*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-12-22 20:12:47,455 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 [2021-12-22 20:12:47,470 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 [2021-12-22 20:12:47,480 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-12-22 20:12:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:47,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 20:12:47,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:47,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 20:12:47,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:47,604 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 [2021-12-22 20:12:47,605 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) [2021-12-22 20:12:47,707 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. [2021-12-22 20:12:47,708 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 [2021-12-22 20:12:47,712 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) [2021-12-22 20:12:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2021-12-22 20:12:47,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-22 20:12:47,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:47,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-22 20:12:47,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:47,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 101 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-22 20:12:47,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:47,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 153 transitions. [2021-12-22 20:12:47,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:47,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 32 states and 43 transitions. [2021-12-22 20:12:47,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-22 20:12:47,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-22 20:12:47,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2021-12-22 20:12:47,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:12:47,730 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-12-22 20:12:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2021-12-22 20:12:47,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-12-22 20:12:47,748 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) [2021-12-22 20:12:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-12-22 20:12:47,750 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-12-22 20:12:47,750 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-12-22 20:12:47,750 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:12:47,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-12-22 20:12:47,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:47,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:47,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:47,751 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-22 20:12:47,752 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:12:47,752 INFO L791 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 204#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 205#L90-3 assume !(main_~i~1#1 < 8); 213#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 214#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 210#L63-4 [2021-12-22 20:12:47,752 INFO L793 eck$LassoCheckResult]: Loop: 210#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 195#L66 assume !parse_expression_list_#t~switch5#1; 196#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 211#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 212#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 210#L63-4 [2021-12-22 20:12:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-12-22 20:12:47,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:47,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709737683] [2021-12-22 20:12:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:47,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:47,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:12:47,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709737683] [2021-12-22 20:12:47,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709737683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:12:47,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:12:47,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:12:47,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639936895] [2021-12-22 20:12:47,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:12:47,792 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:12:47,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:47,793 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 1 times [2021-12-22 20:12:47,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:47,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185412545] [2021-12-22 20:12:47,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:47,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:47,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:47,805 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:47,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:12:47,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 20:12:47,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 20:12:47,863 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) [2021-12-22 20:12:47,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:12:47,874 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-12-22 20:12:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 20:12:47,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2021-12-22 20:12:47,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:47,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2021-12-22 20:12:47,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-22 20:12:47,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-22 20:12:47,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2021-12-22 20:12:47,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:12:47,877 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-12-22 20:12:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2021-12-22 20:12:47,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-12-22 20:12:47,879 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) [2021-12-22 20:12:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-12-22 20:12:47,880 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-12-22 20:12:47,880 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-12-22 20:12:47,880 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 20:12:47,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2021-12-22 20:12:47,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:47,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:47,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:47,881 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:12:47,881 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:12:47,881 INFO L791 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 275#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 276#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 296#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 297#L90-3 assume !(main_~i~1#1 < 8); 286#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 287#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 281#L63-4 [2021-12-22 20:12:47,881 INFO L793 eck$LassoCheckResult]: Loop: 281#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 266#L66 assume !parse_expression_list_#t~switch5#1; 267#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 282#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 283#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 281#L63-4 [2021-12-22 20:12:47,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:47,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669544, now seen corresponding path program 1 times [2021-12-22 20:12:47,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:47,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284014557] [2021-12-22 20:12:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:47,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:47,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:12:47,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284014557] [2021-12-22 20:12:47,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284014557] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 20:12:47,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386562626] [2021-12-22 20:12:47,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:47,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 20:12:47,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:47,914 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 20:12:47,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-22 20:12:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:47,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 20:12:47,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:47,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 20:12:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:48,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386562626] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 20:12:48,017 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 20:12:48,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-22 20:12:48,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259301896] [2021-12-22 20:12:48,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 20:12:48,018 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:12:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:48,019 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 2 times [2021-12-22 20:12:48,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:48,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349329923] [2021-12-22 20:12:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:48,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,025 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:48,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:12:48,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 20:12:48,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-22 20:12:48,085 INFO L87 Difference]: Start difference. First operand 32 states and 42 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) [2021-12-22 20:12:48,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:12:48,111 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2021-12-22 20:12:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 20:12:48,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2021-12-22 20:12:48,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:48,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 48 transitions. [2021-12-22 20:12:48,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-22 20:12:48,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-22 20:12:48,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2021-12-22 20:12:48,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:12:48,114 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-12-22 20:12:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2021-12-22 20:12:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-12-22 20:12:48,116 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) [2021-12-22 20:12:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-12-22 20:12:48,117 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-12-22 20:12:48,117 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-12-22 20:12:48,117 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 20:12:48,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-12-22 20:12:48,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:48,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:48,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:48,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2021-12-22 20:12:48,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:12:48,159 INFO L791 eck$LassoCheckResult]: Stem: 407#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 391#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 392#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 412#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 413#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 414#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 419#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 418#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 417#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 416#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 415#L90-3 assume !(main_~i~1#1 < 8); 400#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 401#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 397#L63-4 [2021-12-22 20:12:48,163 INFO L793 eck$LassoCheckResult]: Loop: 397#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 382#L66 assume !parse_expression_list_#t~switch5#1; 383#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 398#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 399#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 397#L63-4 [2021-12-22 20:12:48,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:48,163 INFO L85 PathProgramCache]: Analyzing trace with hash 82232674, now seen corresponding path program 2 times [2021-12-22 20:12:48,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:48,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129539729] [2021-12-22 20:12:48,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:48,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:48,196 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 [2021-12-22 20:12:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:48,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:12:48,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129539729] [2021-12-22 20:12:48,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129539729] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 20:12:48,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945498198] [2021-12-22 20:12:48,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 20:12:48,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 20:12:48,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:48,255 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 20:12:48,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-22 20:12:48,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 20:12:48,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 20:12:48,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 20:12:48,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:48,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 20:12:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:48,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945498198] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 20:12:48,413 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 20:12:48,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-12-22 20:12:48,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930311743] [2021-12-22 20:12:48,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 20:12:48,414 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:12:48,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:48,415 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 3 times [2021-12-22 20:12:48,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:48,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195730035] [2021-12-22 20:12:48,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:48,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,421 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,425 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:48,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:12:48,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 20:12:48,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-12-22 20:12:48,473 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-12-22 20:12:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:12:48,503 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-12-22 20:12:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 20:12:48,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-12-22 20:12:48,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:48,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-12-22 20:12:48,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-22 20:12:48,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-22 20:12:48,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-12-22 20:12:48,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:12:48,507 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-12-22 20:12:48,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-12-22 20:12:48,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-12-22 20:12:48,510 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) [2021-12-22 20:12:48,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2021-12-22 20:12:48,510 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-12-22 20:12:48,511 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-12-22 20:12:48,511 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-22 20:12:48,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 56 transitions. [2021-12-22 20:12:48,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-12-22 20:12:48,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:48,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:48,512 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1] [2021-12-22 20:12:48,512 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:12:48,512 INFO L791 eck$LassoCheckResult]: Stem: 578#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 562#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 584#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 585#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 582#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 583#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 597#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 596#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 595#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 594#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 593#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 592#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 591#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 590#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 589#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 588#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 587#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 586#L90-3 assume !(main_~i~1#1 < 8); 570#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 571#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 567#L63-4 [2021-12-22 20:12:48,512 INFO L793 eck$LassoCheckResult]: Loop: 567#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 552#L66 assume !parse_expression_list_#t~switch5#1; 553#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 568#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 569#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 567#L63-4 [2021-12-22 20:12:48,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:48,513 INFO L85 PathProgramCache]: Analyzing trace with hash 684732762, now seen corresponding path program 3 times [2021-12-22 20:12:48,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:48,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314404391] [2021-12-22 20:12:48,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:48,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,562 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,601 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:48,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:48,605 INFO L85 PathProgramCache]: Analyzing trace with hash 55413311, now seen corresponding path program 4 times [2021-12-22 20:12:48,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:48,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924450449] [2021-12-22 20:12:48,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:48,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,614 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,627 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:48,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:48,630 INFO L85 PathProgramCache]: Analyzing trace with hash 299059334, now seen corresponding path program 1 times [2021-12-22 20:12:48,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:48,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212254792] [2021-12-22 20:12:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:48,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,677 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:48,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:52,977 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:12:52,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:12:52,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:12:52,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:12:52,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:12:52,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:52,979 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:12:52,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:12:52,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration5_Lasso [2021-12-22 20:12:52,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:12:52,979 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:12:52,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:52,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:53,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:54,603 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:12:54,605 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:12:54,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,607 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:54,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-22 20:12:54,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:54,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:54,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:54,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:54,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,647 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:54,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-22 20:12:54,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:54,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:54,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:54,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,716 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:54,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-22 20:12:54,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:54,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:54,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:54,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,767 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:54,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-22 20:12:54,773 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 [2021-12-22 20:12:54,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:54,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:54,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-22 20:12:54,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,816 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:54,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-22 20:12:54,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:54,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:54,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:54,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:54,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,849 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:54,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-22 20:12:54,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:54,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:54,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:54,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:54,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,892 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:54,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-22 20:12:54,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:54,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:54,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:54,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-22 20:12:54,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,919 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) [2021-12-22 20:12:54,920 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 [2021-12-22 20:12:54,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:54,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:54,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:54,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,945 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 [2021-12-22 20:12:54,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,946 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) [2021-12-22 20:12:54,947 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 [2021-12-22 20:12:54,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:54,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:54,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:54,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,971 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 [2021-12-22 20:12:54,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:54,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:54,973 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) [2021-12-22 20:12:54,975 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 [2021-12-22 20:12:54,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:54,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:54,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:54,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:54,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:54,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:54,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:54,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:54,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:54,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-22 20:12:55,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,001 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) [2021-12-22 20:12:55,002 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 [2021-12-22 20:12:55,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:55,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:55,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:55,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:55,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:55,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:55,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:55,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:55,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:55,027 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 [2021-12-22 20:12:55,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,029 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) [2021-12-22 20:12:55,030 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 [2021-12-22 20:12:55,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:55,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:55,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:55,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:55,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:55,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:55,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:55,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:55,084 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 [2021-12-22 20:12:55,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,085 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) [2021-12-22 20:12:55,089 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 [2021-12-22 20:12:55,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:55,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:55,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:55,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:55,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:55,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:55,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:55,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:55,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:55,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:55,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,114 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) [2021-12-22 20:12:55,114 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 [2021-12-22 20:12:55,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:55,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:55,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:55,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:55,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:55,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:55,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:55,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:55,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:55,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-22 20:12:55,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,141 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) [2021-12-22 20:12:55,142 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 [2021-12-22 20:12:55,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:55,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:55,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:55,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:55,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:55,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:55,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:55,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:55,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:55,167 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 [2021-12-22 20:12:55,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,168 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) [2021-12-22 20:12:55,169 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 [2021-12-22 20:12:55,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:55,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:55,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:55,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:55,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:55,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:55,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:55,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:55,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:55,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-22 20:12:55,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,203 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) [2021-12-22 20:12:55,204 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 [2021-12-22 20:12:55,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:55,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:55,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:55,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:55,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:55,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:55,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:55,239 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:12:55,255 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-22 20:12:55,255 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-22 20:12:55,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:55,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:55,260 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) [2021-12-22 20:12:55,267 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 [2021-12-22 20:12:55,312 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:12:55,333 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-22 20:12:55,333 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:12:55,333 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~str#1.offset, v_rep(select #length ULTIMATE.start_parse_expression_list_~str#1.base)_1, ULTIMATE.start_parse_expression_list_~i~0#1) = -1*ULTIMATE.start_parse_expression_list_~str#1.offset + 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str#1.base)_1 - 1*ULTIMATE.start_parse_expression_list_~i~0#1 Supporting invariants [] [2021-12-22 20:12:55,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-22 20:12:55,521 INFO L297 tatePredicateManager]: 67 out of 67 supporting invariants were superfluous and have been removed [2021-12-22 20:12:55,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:55,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 20:12:55,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:55,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 20:12:55,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:55,665 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 [2021-12-22 20:12:55,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-12-22 20:12:55,691 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 56 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 4 states. [2021-12-22 20:12:55,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-22 20:12:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-12-22 20:12:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2021-12-22 20:12:55,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 21 letters. Loop has 5 letters. [2021-12-22 20:12:55,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:55,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 26 letters. Loop has 5 letters. [2021-12-22 20:12:55,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:55,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 42 transitions. Stem has 21 letters. Loop has 10 letters. [2021-12-22 20:12:55,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:55,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 92 transitions. [2021-12-22 20:12:55,697 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:12:55,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 59 states and 75 transitions. [2021-12-22 20:12:55,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-22 20:12:55,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-22 20:12:55,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 75 transitions. [2021-12-22 20:12:55,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:12:55,698 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-12-22 20:12:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 75 transitions. [2021-12-22 20:12:55,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2021-12-22 20:12:55,701 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) [2021-12-22 20:12:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-12-22 20:12:55,701 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-12-22 20:12:55,701 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-12-22 20:12:55,701 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-22 20:12:55,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 74 transitions. [2021-12-22 20:12:55,702 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:12:55,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:55,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:55,703 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:12:55,703 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-22 20:12:55,703 INFO L791 eck$LassoCheckResult]: Stem: 1072#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 1050#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 1051#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1079#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1080#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1081#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1094#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1093#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1092#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1091#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1090#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1089#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1088#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1087#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1086#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1085#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1084#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1083#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1082#L90-3 assume !(main_~i~1#1 < 8); 1064#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 1065#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 1058#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1037#L66 assume parse_expression_list_#t~switch5#1; 1040#L67-5 [2021-12-22 20:12:55,703 INFO L793 eck$LassoCheckResult]: Loop: 1040#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 1048#L67-1 assume parse_expression_list_#t~short8#1; 1066#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 1040#L67-5 [2021-12-22 20:12:55,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:55,704 INFO L85 PathProgramCache]: Analyzing trace with hash 898188797, now seen corresponding path program 1 times [2021-12-22 20:12:55,704 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 [2021-12-22 20:12:55,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:55,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496342157] [2021-12-22 20:12:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:55,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:55,724 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:55,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:55,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:55,741 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 1 times [2021-12-22 20:12:55,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:55,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002755530] [2021-12-22 20:12:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:55,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:55,744 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:55,747 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:55,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:55,747 INFO L85 PathProgramCache]: Analyzing trace with hash 296230220, now seen corresponding path program 1 times [2021-12-22 20:12:55,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:55,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713242876] [2021-12-22 20:12:55,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:55,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:12:55,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:12:55,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713242876] [2021-12-22 20:12:55,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713242876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:12:55,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:12:55,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 20:12:55,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062026795] [2021-12-22 20:12:55,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:12:55,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:12:55,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 20:12:55,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 20:12:55,896 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) [2021-12-22 20:12:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:12:56,022 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2021-12-22 20:12:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 20:12:56,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 118 transitions. [2021-12-22 20:12:56,024 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-12-22 20:12:56,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 118 transitions. [2021-12-22 20:12:56,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-12-22 20:12:56,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-22 20:12:56,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 118 transitions. [2021-12-22 20:12:56,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:12:56,026 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-12-22 20:12:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 118 transitions. [2021-12-22 20:12:56,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2021-12-22 20:12:56,029 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) [2021-12-22 20:12:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2021-12-22 20:12:56,029 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-12-22 20:12:56,029 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2021-12-22 20:12:56,029 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-22 20:12:56,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 83 transitions. [2021-12-22 20:12:56,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:12:56,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:56,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:56,031 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:12:56,031 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-22 20:12:56,031 INFO L791 eck$LassoCheckResult]: Stem: 1246#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 1221#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 1222#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1253#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1254#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1255#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1268#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1267#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1266#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1265#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1264#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1263#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1262#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1261#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1260#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1259#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1258#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1257#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1256#L90-3 assume !(main_~i~1#1 < 8); 1236#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 1237#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 1229#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1206#L66 assume !parse_expression_list_#t~switch5#1; 1207#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 1232#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 1233#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 1230#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1231#L66 assume parse_expression_list_#t~switch5#1; 1217#L67-5 [2021-12-22 20:12:56,031 INFO L793 eck$LassoCheckResult]: Loop: 1217#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 1218#L67-1 assume parse_expression_list_#t~short8#1; 1270#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 1217#L67-5 [2021-12-22 20:12:56,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash -366788055, now seen corresponding path program 1 times [2021-12-22 20:12:56,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:56,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842446720] [2021-12-22 20:12:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:56,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:56,049 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:56,064 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:56,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:56,065 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 2 times [2021-12-22 20:12:56,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:56,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097361796] [2021-12-22 20:12:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:56,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:56,068 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:56,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:56,071 INFO L85 PathProgramCache]: Analyzing trace with hash -586112608, now seen corresponding path program 1 times [2021-12-22 20:12:56,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:56,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50634408] [2021-12-22 20:12:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:56,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:56,086 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:56,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:01,245 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 250 DAG size of output: 186 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-22 20:13:01,745 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:13:01,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:13:01,746 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:13:01,746 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:13:01,746 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:13:01,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:01,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:13:01,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:13:01,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration7_Lasso [2021-12-22 20:13:01,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:13:01,747 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:13:01,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:01,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:01,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:01,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:01,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:03,502 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:13:03,502 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:13:03,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,508 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) [2021-12-22 20:13:03,509 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 [2021-12-22 20:13:03,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:03,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:03,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:03,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,534 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 [2021-12-22 20:13:03,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,535 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) [2021-12-22 20:13:03,536 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 [2021-12-22 20:13:03,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,563 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 [2021-12-22 20:13:03,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,564 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) [2021-12-22 20:13:03,565 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 [2021-12-22 20:13:03,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:03,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:03,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:03,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-22 20:13:03,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,593 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) [2021-12-22 20:13:03,593 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 [2021-12-22 20:13:03,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:03,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:03,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:03,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:03,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,620 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) [2021-12-22 20:13:03,621 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 [2021-12-22 20:13:03,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-22 20:13:03,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,652 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) [2021-12-22 20:13:03,652 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 [2021-12-22 20:13:03,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,679 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 [2021-12-22 20:13:03,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,680 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) [2021-12-22 20:13:03,681 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 [2021-12-22 20:13:03,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-22 20:13:03,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,710 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) [2021-12-22 20:13:03,710 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 [2021-12-22 20:13:03,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,739 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 [2021-12-22 20:13:03,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,741 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) [2021-12-22 20:13:03,747 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 [2021-12-22 20:13:03,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-22 20:13:03,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,775 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) [2021-12-22 20:13:03,776 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 [2021-12-22 20:13:03,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,802 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 [2021-12-22 20:13:03,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,803 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) [2021-12-22 20:13:03,804 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 [2021-12-22 20:13:03,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:03,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,836 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) [2021-12-22 20:13:03,843 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 [2021-12-22 20:13:03,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-22 20:13:03,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,869 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) [2021-12-22 20:13:03,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,872 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 [2021-12-22 20:13:03,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-22 20:13:03,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,898 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) [2021-12-22 20:13:03,899 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 [2021-12-22 20:13:03,900 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 [2021-12-22 20:13:03,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,925 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 [2021-12-22 20:13:03,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,927 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) [2021-12-22 20:13:03,928 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 [2021-12-22 20:13:03,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-22 20:13:03,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,958 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) [2021-12-22 20:13:03,959 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 [2021-12-22 20:13:03,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:03,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:03,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-22 20:13:03,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:03,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:03,988 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) [2021-12-22 20:13:03,988 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 [2021-12-22 20:13:03,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:03,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:03,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:03,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:03,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:03,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:03,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,015 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 [2021-12-22 20:13:04,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,017 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) [2021-12-22 20:13:04,026 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 [2021-12-22 20:13:04,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:04,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:04,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-22 20:13:04,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,056 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) [2021-12-22 20:13:04,056 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 [2021-12-22 20:13:04,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,064 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-22 20:13:04,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,068 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-22 20:13:04,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:04,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,091 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) [2021-12-22 20:13:04,093 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 [2021-12-22 20:13:04,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:04,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:04,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-22 20:13:04,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,149 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) [2021-12-22 20:13:04,155 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 [2021-12-22 20:13:04,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:04,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:04,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,198 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 [2021-12-22 20:13:04,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,200 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) [2021-12-22 20:13:04,207 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 [2021-12-22 20:13:04,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:04,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:04,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-22 20:13:04,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,233 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) [2021-12-22 20:13:04,234 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 [2021-12-22 20:13:04,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:04,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:04,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-22 20:13:04,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,261 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) [2021-12-22 20:13:04,262 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 [2021-12-22 20:13:04,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:04,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:04,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:04,287 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 [2021-12-22 20:13:04,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,289 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) [2021-12-22 20:13:04,290 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 [2021-12-22 20:13:04,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:04,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:04,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:04,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:04,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:04,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:04,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:04,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:13:04,343 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-12-22 20:13:04,344 INFO L444 ModelExtractionUtils]: 3 out of 25 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-12-22 20:13:04,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:04,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:04,345 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) [2021-12-22 20:13:04,345 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 [2021-12-22 20:13:04,346 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:13:04,353 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-22 20:13:04,353 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:13:04,353 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_3, ULTIMATE.start_parse_expression_list_~start~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_3 - 1*ULTIMATE.start_parse_expression_list_~start~0#1 Supporting invariants [1*ULTIMATE.start_parse_expression_list_~str#1.offset >= 0] [2021-12-22 20:13:04,369 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 [2021-12-22 20:13:04,645 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 [2021-12-22 20:13:04,700 INFO L297 tatePredicateManager]: 89 out of 91 supporting invariants were superfluous and have been removed [2021-12-22 20:13:04,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:04,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-22 20:13:04,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:13:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:04,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 20:13:04,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:13:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:13:04,951 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 [2021-12-22 20:13:04,951 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) [2021-12-22 20:13:05,055 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. [2021-12-22 20:13:05,055 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 [2021-12-22 20:13:05,056 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) [2021-12-22 20:13:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2021-12-22 20:13:05,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 3 letters. [2021-12-22 20:13:05,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:13:05,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 31 letters. Loop has 3 letters. [2021-12-22 20:13:05,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:13:05,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 28 letters. Loop has 6 letters. [2021-12-22 20:13:05,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:13:05,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 237 transitions. [2021-12-22 20:13:05,058 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-12-22 20:13:05,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 136 states and 181 transitions. [2021-12-22 20:13:05,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-12-22 20:13:05,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-12-22 20:13:05,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 181 transitions. [2021-12-22 20:13:05,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:13:05,061 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 181 transitions. [2021-12-22 20:13:05,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 181 transitions. [2021-12-22 20:13:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2021-12-22 20:13:05,065 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) [2021-12-22 20:13:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 122 transitions. [2021-12-22 20:13:05,066 INFO L704 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-12-22 20:13:05,066 INFO L587 BuchiCegarLoop]: Abstraction has 91 states and 122 transitions. [2021-12-22 20:13:05,066 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-22 20:13:05,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 122 transitions. [2021-12-22 20:13:05,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:13:05,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:13:05,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:13:05,067 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:13:05,067 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-22 20:13:05,068 INFO L791 eck$LassoCheckResult]: Stem: 1983#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 1957#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 1958#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1991#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1992#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1993#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2008#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2007#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2006#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2005#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2004#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2003#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2002#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2001#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2000#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1999#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1998#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1997#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1996#L90-3 assume !(main_~i~1#1 < 8); 1972#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 1973#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 1965#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1966#L66 assume parse_expression_list_#t~switch5#1; 1951#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 1952#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 2028#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 2010#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 2026#L68 assume 34 == parse_expression_list_#t~mem10#1;havoc parse_expression_list_#t~mem10#1;parse_expression_list_#t~post11#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post11#1;havoc parse_expression_list_#t~post11#1; 1959#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 1947#L70-8 [2021-12-22 20:13:05,068 INFO L793 eck$LassoCheckResult]: Loop: 1947#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 1963#L70-1 assume !parse_expression_list_#t~short15#1; 1946#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 1947#L70-8 [2021-12-22 20:13:05,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 1 times [2021-12-22 20:13:05,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403044629] [2021-12-22 20:13:05,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:05,186 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:13:05,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:13:05,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403044629] [2021-12-22 20:13:05,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403044629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:13:05,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:13:05,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 20:13:05,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878351495] [2021-12-22 20:13:05,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:13:05,187 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:13:05,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,187 INFO L85 PathProgramCache]: Analyzing trace with hash 89761, now seen corresponding path program 1 times [2021-12-22 20:13:05,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405231564] [2021-12-22 20:13:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:13:05,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:13:05,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405231564] [2021-12-22 20:13:05,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405231564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:13:05,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:13:05,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 20:13:05,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236672419] [2021-12-22 20:13:05,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:13:05,195 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:13:05,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:13:05,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 20:13:05,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 20:13:05,196 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) [2021-12-22 20:13:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:13:05,204 INFO L93 Difference]: Finished difference Result 93 states and 123 transitions. [2021-12-22 20:13:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 20:13:05,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 123 transitions. [2021-12-22 20:13:05,206 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:13:05,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 92 states and 122 transitions. [2021-12-22 20:13:05,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-12-22 20:13:05,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-22 20:13:05,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 122 transitions. [2021-12-22 20:13:05,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:13:05,207 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-12-22 20:13:05,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 122 transitions. [2021-12-22 20:13:05,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-12-22 20:13:05,210 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) [2021-12-22 20:13:05,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 122 transitions. [2021-12-22 20:13:05,211 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-12-22 20:13:05,211 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 122 transitions. [2021-12-22 20:13:05,211 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-22 20:13:05,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 122 transitions. [2021-12-22 20:13:05,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:13:05,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:13:05,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:13:05,212 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:13:05,212 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:13:05,212 INFO L791 eck$LassoCheckResult]: Stem: 2176#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 2149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 2150#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2184#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2185#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2187#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2218#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2216#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2213#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2211#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2207#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2205#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2200#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2196#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2192#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2191#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2190#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2189#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2188#L90-3 assume !(main_~i~1#1 < 8); 2163#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 2164#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 2158#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 2135#L66 assume parse_expression_list_#t~switch5#1; 2138#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 2145#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 2203#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 2197#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 2193#L68 assume 34 == parse_expression_list_#t~mem10#1;havoc parse_expression_list_#t~mem10#1;parse_expression_list_#t~post11#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post11#1;havoc parse_expression_list_#t~post11#1; 2151#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 2142#L70-8 [2021-12-22 20:13:05,212 INFO L793 eck$LassoCheckResult]: Loop: 2142#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 2156#L70-1 assume parse_expression_list_#t~short15#1;call parse_expression_list_#t~mem12#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~j~0#1, 1);parse_expression_list_#t~short14#1 := 32 == parse_expression_list_#t~mem12#1; 2182#L70-2 assume parse_expression_list_#t~short14#1; 2171#L70-4 parse_expression_list_#t~short15#1 := parse_expression_list_#t~short14#1; 2141#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 2142#L70-8 [2021-12-22 20:13:05,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1161474036, now seen corresponding path program 2 times [2021-12-22 20:13:05,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231923760] [2021-12-22 20:13:05,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:13:05,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:13:05,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231923760] [2021-12-22 20:13:05,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231923760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:13:05,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:13:05,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 20:13:05,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582015330] [2021-12-22 20:13:05,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:13:05,358 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:13:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 1 times [2021-12-22 20:13:05,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591685152] [2021-12-22 20:13:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,362 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,365 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:05,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:13:05,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 20:13:05,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 20:13:05,423 INFO L87 Difference]: Start difference. First operand 92 states and 122 transitions. cyclomatic complexity: 37 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:13:05,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:13:05,550 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-12-22 20:13:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 20:13:05,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2021-12-22 20:13:05,552 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-12-22 20:13:05,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 117 states and 151 transitions. [2021-12-22 20:13:05,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-12-22 20:13:05,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2021-12-22 20:13:05,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 151 transitions. [2021-12-22 20:13:05,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:13:05,553 INFO L681 BuchiCegarLoop]: Abstraction has 117 states and 151 transitions. [2021-12-22 20:13:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 151 transitions. [2021-12-22 20:13:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 88. [2021-12-22 20:13:05,555 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) [2021-12-22 20:13:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 116 transitions. [2021-12-22 20:13:05,556 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-12-22 20:13:05,556 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 116 transitions. [2021-12-22 20:13:05,556 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-22 20:13:05,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 116 transitions. [2021-12-22 20:13:05,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:13:05,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:13:05,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:13:05,557 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:13:05,557 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:13:05,557 INFO L791 eck$LassoCheckResult]: Stem: 2409#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 2382#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 2383#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2414#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2415#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2417#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2430#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2429#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2428#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2427#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2426#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2425#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2424#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2423#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2422#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2421#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2420#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2419#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2418#L90-3 assume !(main_~i~1#1 < 8); 2398#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 2399#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 2391#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 2370#L66 assume parse_expression_list_#t~switch5#1; 2373#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 2380#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 2400#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 2401#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 2407#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 2384#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 2377#L70-8 [2021-12-22 20:13:05,558 INFO L793 eck$LassoCheckResult]: Loop: 2377#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 2389#L70-1 assume parse_expression_list_#t~short15#1;call parse_expression_list_#t~mem12#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~j~0#1, 1);parse_expression_list_#t~short14#1 := 32 == parse_expression_list_#t~mem12#1; 2412#L70-2 assume parse_expression_list_#t~short14#1; 2404#L70-4 parse_expression_list_#t~short15#1 := parse_expression_list_#t~short14#1; 2376#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 2377#L70-8 [2021-12-22 20:13:05,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1161473974, now seen corresponding path program 1 times [2021-12-22 20:13:05,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60980973] [2021-12-22 20:13:05,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:05,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,583 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 2 times [2021-12-22 20:13:05,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725506691] [2021-12-22 20:13:05,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,585 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,588 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:05,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1035891741, now seen corresponding path program 1 times [2021-12-22 20:13:05,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547823716] [2021-12-22 20:13:05,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:13:05,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:13:05,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547823716] [2021-12-22 20:13:05,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547823716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:13:05,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:13:05,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 20:13:05,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469796652] [2021-12-22 20:13:05,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:13:05,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:13:05,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 20:13:05,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 20:13:05,696 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) [2021-12-22 20:13:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:13:05,763 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2021-12-22 20:13:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 20:13:05,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 172 transitions. [2021-12-22 20:13:05,765 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-22 20:13:05,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 127 states and 164 transitions. [2021-12-22 20:13:05,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-22 20:13:05,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-22 20:13:05,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 164 transitions. [2021-12-22 20:13:05,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:13:05,766 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 164 transitions. [2021-12-22 20:13:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 164 transitions. [2021-12-22 20:13:05,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 92. [2021-12-22 20:13:05,772 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) [2021-12-22 20:13:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2021-12-22 20:13:05,772 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-12-22 20:13:05,772 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 119 transitions. [2021-12-22 20:13:05,772 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-22 20:13:05,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 119 transitions. [2021-12-22 20:13:05,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:13:05,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:13:05,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:13:05,776 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] [2021-12-22 20:13:05,777 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:13:05,778 INFO L791 eck$LassoCheckResult]: Stem: 2652#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 2622#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 2623#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2661#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2662#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2663#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2679#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2678#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2677#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2676#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2675#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2674#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2673#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2672#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2671#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2670#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2669#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2665#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2664#L90-3 assume !(main_~i~1#1 < 8); 2638#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 2639#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 2631#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 2632#L66 assume !parse_expression_list_#t~switch5#1; 2688#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 2699#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 2698#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 2691#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 2687#L66 assume parse_expression_list_#t~switch5#1; 2689#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 2656#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 2657#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 2648#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 2649#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 2624#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 2617#L70-8 [2021-12-22 20:13:05,779 INFO L793 eck$LassoCheckResult]: Loop: 2617#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 2629#L70-1 assume parse_expression_list_#t~short15#1;call parse_expression_list_#t~mem12#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~j~0#1, 1);parse_expression_list_#t~short14#1 := 32 == parse_expression_list_#t~mem12#1; 2659#L70-2 assume parse_expression_list_#t~short14#1; 2645#L70-4 parse_expression_list_#t~short15#1 := parse_expression_list_#t~short14#1; 2616#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 2617#L70-8 [2021-12-22 20:13:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1836811402, now seen corresponding path program 1 times [2021-12-22 20:13:05,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099441571] [2021-12-22 20:13:05,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,828 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:05,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,829 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 3 times [2021-12-22 20:13:05,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789547011] [2021-12-22 20:13:05,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,833 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:05,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:05,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash 282551409, now seen corresponding path program 1 times [2021-12-22 20:13:05,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:05,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724094943] [2021-12-22 20:13:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:13:05,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:13:05,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724094943] [2021-12-22 20:13:05,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724094943] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 20:13:05,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949005100] [2021-12-22 20:13:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:05,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 20:13:05,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:05,901 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 20:13:05,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-12-22 20:13:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:05,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 20:13:05,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:13:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:13:06,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 20:13:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:13:06,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949005100] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 20:13:06,126 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 20:13:06,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2021-12-22 20:13:06,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897287906] [2021-12-22 20:13:06,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 20:13:06,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:13:06,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 20:13:06,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 20:13:06,189 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) [2021-12-22 20:13:06,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:13:06,280 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2021-12-22 20:13:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 20:13:06,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 239 transitions. [2021-12-22 20:13:06,282 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-22 20:13:06,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 167 states and 217 transitions. [2021-12-22 20:13:06,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-12-22 20:13:06,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-12-22 20:13:06,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 217 transitions. [2021-12-22 20:13:06,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:13:06,284 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 217 transitions. [2021-12-22 20:13:06,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 217 transitions. [2021-12-22 20:13:06,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2021-12-22 20:13:06,286 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) [2021-12-22 20:13:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 172 transitions. [2021-12-22 20:13:06,287 INFO L704 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-12-22 20:13:06,287 INFO L587 BuchiCegarLoop]: Abstraction has 132 states and 172 transitions. [2021-12-22 20:13:06,287 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-22 20:13:06,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 172 transitions. [2021-12-22 20:13:06,287 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-22 20:13:06,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:13:06,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:13:06,288 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] [2021-12-22 20:13:06,288 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:13:06,288 INFO L791 eck$LassoCheckResult]: Stem: 3174#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 3147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 3148#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3185#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3186#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3182#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3183#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3201#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3200#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3199#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3198#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3197#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3196#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3195#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3194#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3193#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3192#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3188#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3187#L90-3 assume !(main_~i~1#1 < 8); 3163#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 3164#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 3156#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3157#L66 assume !parse_expression_list_#t~switch5#1; 3239#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 3238#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 3237#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 3236#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3234#L66 assume !parse_expression_list_#t~switch5#1; 3222#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 3232#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 3230#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 3223#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3221#L66 assume parse_expression_list_#t~switch5#1; 3219#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 3217#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 3212#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 3209#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 3202#L68 assume 34 == parse_expression_list_#t~mem10#1;havoc parse_expression_list_#t~mem10#1;parse_expression_list_#t~post11#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post11#1;havoc parse_expression_list_#t~post11#1; 3149#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 3141#L70-8 [2021-12-22 20:13:06,288 INFO L793 eck$LassoCheckResult]: Loop: 3141#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 3154#L70-1 assume parse_expression_list_#t~short15#1;call parse_expression_list_#t~mem12#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~j~0#1, 1);parse_expression_list_#t~short14#1 := 32 == parse_expression_list_#t~mem12#1; 3178#L70-2 assume parse_expression_list_#t~short14#1; 3168#L70-4 parse_expression_list_#t~short15#1 := parse_expression_list_#t~short14#1; 3140#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 3141#L70-8 [2021-12-22 20:13:06,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:06,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1704815500, now seen corresponding path program 1 times [2021-12-22 20:13:06,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:06,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330321931] [2021-12-22 20:13:06,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:06,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:06,306 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:06,321 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:06,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 4 times [2021-12-22 20:13:06,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:06,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598208908] [2021-12-22 20:13:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:06,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:06,325 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:06,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash 492769819, now seen corresponding path program 1 times [2021-12-22 20:13:06,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:06,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278819680] [2021-12-22 20:13:06,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:06,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:06,346 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:06,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:12,469 WARN L227 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 305 DAG size of output: 214 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-22 20:13:13,080 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:13:13,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:13:13,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:13:13,080 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:13:13,080 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:13:13,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:13,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:13:13,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:13:13,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_OpenSER_cases1_stripFullBoth_arr.i_Iteration12_Lasso [2021-12-22 20:13:13,081 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:13:13,081 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:13:13,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:13,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:14,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:14,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:14,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:14,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:14,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:13:14,848 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:13:14,848 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:13:14,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:14,851 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) [2021-12-22 20:13:14,852 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 [2021-12-22 20:13:14,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:14,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:14,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:14,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:14,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:14,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:14,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:14,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:14,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:14,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-22 20:13:14,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:14,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:14,878 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) [2021-12-22 20:13:14,879 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 [2021-12-22 20:13:14,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:14,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:14,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:14,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:14,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:14,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:14,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:14,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:14,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-22 20:13:14,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:14,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:14,907 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) [2021-12-22 20:13:14,908 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 [2021-12-22 20:13:14,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:14,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:14,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:14,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:14,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:14,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:14,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:14,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:14,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:14,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-22 20:13:14,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:14,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:14,934 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) [2021-12-22 20:13:14,934 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 [2021-12-22 20:13:14,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:14,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:14,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:14,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:14,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:14,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:14,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:14,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:14,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:14,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:14,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:14,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:14,959 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) [2021-12-22 20:13:14,960 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 [2021-12-22 20:13:14,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:14,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:14,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:14,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:14,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:14,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:14,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:14,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:14,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:14,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-22 20:13:14,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:14,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:14,985 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) [2021-12-22 20:13:14,986 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 [2021-12-22 20:13:14,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:14,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:14,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:14,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:14,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:14,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:14,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:14,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,027 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 [2021-12-22 20:13:15,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,028 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) [2021-12-22 20:13:15,034 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 [2021-12-22 20:13:15,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,059 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 [2021-12-22 20:13:15,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,061 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) [2021-12-22 20:13:15,061 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 [2021-12-22 20:13:15,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:15,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,088 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) [2021-12-22 20:13:15,089 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 [2021-12-22 20:13:15,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-22 20:13:15,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,114 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) [2021-12-22 20:13:15,114 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 [2021-12-22 20:13:15,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-22 20:13:15,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,142 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) [2021-12-22 20:13:15,142 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 [2021-12-22 20:13:15,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-22 20:13:15,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,168 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) [2021-12-22 20:13:15,169 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 [2021-12-22 20:13:15,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,193 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 [2021-12-22 20:13:15,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,195 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) [2021-12-22 20:13:15,197 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 [2021-12-22 20:13:15,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:15,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,249 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) [2021-12-22 20:13:15,250 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 [2021-12-22 20:13:15,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-22 20:13:15,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,283 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) [2021-12-22 20:13:15,284 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 [2021-12-22 20:13:15,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:15,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,310 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) [2021-12-22 20:13:15,311 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 [2021-12-22 20:13:15,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,336 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 [2021-12-22 20:13:15,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,338 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) [2021-12-22 20:13:15,338 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 [2021-12-22 20:13:15,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-22 20:13:15,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,363 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) [2021-12-22 20:13:15,364 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 [2021-12-22 20:13:15,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-22 20:13:15,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,395 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) [2021-12-22 20:13:15,395 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 [2021-12-22 20:13:15,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-22 20:13:15,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,423 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) [2021-12-22 20:13:15,423 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 [2021-12-22 20:13:15,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,447 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 [2021-12-22 20:13:15,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,450 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) [2021-12-22 20:13:15,450 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 [2021-12-22 20:13:15,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-22 20:13:15,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,476 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) [2021-12-22 20:13:15,476 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 [2021-12-22 20:13:15,478 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 [2021-12-22 20:13:15,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:13:15,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:13:15,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:13:15,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-22 20:13:15,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,501 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) [2021-12-22 20:13:15,502 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 [2021-12-22 20:13:15,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,527 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 [2021-12-22 20:13:15,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,528 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) [2021-12-22 20:13:15,529 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 [2021-12-22 20:13:15,530 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 [2021-12-22 20:13:15,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:15,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,557 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) [2021-12-22 20:13:15,557 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 [2021-12-22 20:13:15,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-22 20:13:15,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,585 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) [2021-12-22 20:13:15,585 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 [2021-12-22 20:13:15,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,611 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 [2021-12-22 20:13:15,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,612 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) [2021-12-22 20:13:15,612 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 [2021-12-22 20:13:15,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:13:15,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-22 20:13:15,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,640 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) [2021-12-22 20:13:15,641 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 [2021-12-22 20:13:15,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:13:15,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:13:15,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:13:15,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:13:15,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:13:15,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:13:15,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:13:15,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:13:15,694 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-12-22 20:13:15,695 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-12-22 20:13:15,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:13:15,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:15,700 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) [2021-12-22 20:13:15,701 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 [2021-12-22 20:13:15,702 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:13:15,720 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-22 20:13:15,720 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:13:15,720 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0#1) = 1*ULTIMATE.start_parse_expression_list_~j~0#1 Supporting invariants [] [2021-12-22 20:13:15,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-22 20:13:15,874 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 [2021-12-22 20:13:16,105 INFO L297 tatePredicateManager]: 103 out of 103 supporting invariants were superfluous and have been removed [2021-12-22 20:13:16,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:16,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 20:13:16,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:13:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:16,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 20:13:16,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:13:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:13:16,257 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 [2021-12-22 20:13:16,257 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) [2021-12-22 20:13:16,361 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. [2021-12-22 20:13:16,362 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 [2021-12-22 20:13:16,364 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) [2021-12-22 20:13:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2021-12-22 20:13:16,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 5 letters. [2021-12-22 20:13:16,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:13:16,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 44 letters. Loop has 5 letters. [2021-12-22 20:13:16,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:13:16,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 82 transitions. Stem has 39 letters. Loop has 10 letters. [2021-12-22 20:13:16,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:13:16,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 386 transitions. [2021-12-22 20:13:16,368 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2021-12-22 20:13:16,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 192 states and 251 transitions. [2021-12-22 20:13:16,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-12-22 20:13:16,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-12-22 20:13:16,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 251 transitions. [2021-12-22 20:13:16,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:13:16,370 INFO L681 BuchiCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-12-22 20:13:16,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 251 transitions. [2021-12-22 20:13:16,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 138. [2021-12-22 20:13:16,372 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) [2021-12-22 20:13:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-12-22 20:13:16,373 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-12-22 20:13:16,373 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-12-22 20:13:16,373 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-22 20:13:16,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 179 transitions. [2021-12-22 20:13:16,374 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-22 20:13:16,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:13:16,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:13:16,378 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] [2021-12-22 20:13:16,378 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-22 20:13:16,385 INFO L791 eck$LassoCheckResult]: Stem: 4174#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 4146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 4147#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4183#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4184#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4185#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4198#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4197#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4196#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4195#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4194#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4193#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4192#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4191#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4190#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4189#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4188#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4187#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4186#L90-3 assume !(main_~i~1#1 < 8); 4160#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 4161#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 4155#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4156#L66 assume parse_expression_list_#t~switch5#1; 4230#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 4229#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 4228#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 4227#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 4226#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 4225#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 4224#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 4223#L70-1 assume !parse_expression_list_#t~short15#1; 4222#L70-6 assume !parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1; 4221#L70-9 parse_expression_list_#t~short18#1 := 0 < parse_expression_list_~j~0#1; 4220#L71 assume !parse_expression_list_#t~short18#1; 4219#L71-2 assume !parse_expression_list_#t~short18#1;havoc parse_expression_list_#t~mem17#1;havoc parse_expression_list_#t~short18#1; 4218#L71-4 assume parse_expression_list_~start~0#1 <= parse_expression_list_~j~0#1; 4217#L73 assume !(1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) >= 2);assume { :begin_inline_r_strncpy } true;r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1 := parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1);havoc r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset := r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset;r_strncpy_~src#1.base, r_strncpy_~src#1.offset := r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset;r_strncpy_~n#1 := r_strncpy_#in~n#1;call r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset := strncpy(r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1);r_strncpy_#res#1.base, r_strncpy_#res#1.offset := r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset; 4216#L42 parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset := r_strncpy_#res#1.base, r_strncpy_#res#1.offset;assume { :end_inline_r_strncpy } true;havoc parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4215#L15 assume !(0 == __VERIFIER_assert_~cond#1); 4214#L15-2 assume { :end_inline___VERIFIER_assert } true;call write~int(0, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset + (1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1)), 1); 4213#L72 parse_expression_list_~start~0#1 := 1 + parse_expression_list_~i~0#1; 4212#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 4211#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 4210#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 4209#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4207#L66 assume parse_expression_list_#t~switch5#1; 4168#L67-5 [2021-12-22 20:13:16,385 INFO L793 eck$LassoCheckResult]: Loop: 4168#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 4178#L67-1 assume parse_expression_list_#t~short8#1; 4167#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 4168#L67-5 [2021-12-22 20:13:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1896680144, now seen corresponding path program 1 times [2021-12-22 20:13:16,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:16,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620804805] [2021-12-22 20:13:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:16,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-22 20:13:16,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:13:16,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620804805] [2021-12-22 20:13:16,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620804805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:13:16,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:13:16,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:13:16,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204175495] [2021-12-22 20:13:16,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:13:16,459 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:13:16,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:16,460 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 3 times [2021-12-22 20:13:16,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:16,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086846761] [2021-12-22 20:13:16,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:16,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:16,465 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:16,467 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:16,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:13:16,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 20:13:16,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 20:13:16,502 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) [2021-12-22 20:13:16,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:13:16,560 INFO L93 Difference]: Finished difference Result 140 states and 182 transitions. [2021-12-22 20:13:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 20:13:16,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 182 transitions. [2021-12-22 20:13:16,562 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:13:16,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 127 states and 167 transitions. [2021-12-22 20:13:16,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-22 20:13:16,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-22 20:13:16,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 167 transitions. [2021-12-22 20:13:16,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:13:16,563 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 167 transitions. [2021-12-22 20:13:16,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 167 transitions. [2021-12-22 20:13:16,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2021-12-22 20:13:16,564 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) [2021-12-22 20:13:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2021-12-22 20:13:16,565 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-12-22 20:13:16,565 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 139 transitions. [2021-12-22 20:13:16,565 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-22 20:13:16,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 139 transitions. [2021-12-22 20:13:16,566 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-22 20:13:16,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:13:16,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:13:16,566 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] [2021-12-22 20:13:16,567 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-22 20:13:16,567 INFO L791 eck$LassoCheckResult]: Stem: 4464#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 4437#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 4438#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4472#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4473#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4475#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4511#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4509#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4507#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4505#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4498#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4497#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4496#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4495#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4494#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4492#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4490#L90-3 assume !!(main_~i~1#1 < 8);call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4487#L90-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4486#L90-3 assume !(main_~i~1#1 < 8); 4453#L90-4 call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 4454#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 4446#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4424#L66 assume !parse_expression_list_#t~switch5#1; 4425#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 4449#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 4450#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 4530#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4529#L66 assume parse_expression_list_#t~switch5#1; 4525#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 4524#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 4522#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 4520#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 4518#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 4440#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 4441#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 4445#L70-1 assume !parse_expression_list_#t~short15#1; 4471#L70-6 assume !parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1; 4482#L70-9 parse_expression_list_#t~short18#1 := 0 < parse_expression_list_~j~0#1; 4480#L71 assume !parse_expression_list_#t~short18#1; 4479#L71-2 assume !parse_expression_list_#t~short18#1;havoc parse_expression_list_#t~mem17#1;havoc parse_expression_list_#t~short18#1; 4451#L71-4 assume parse_expression_list_~start~0#1 <= parse_expression_list_~j~0#1; 4452#L73 assume !(1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) >= 2);assume { :begin_inline_r_strncpy } true;r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1 := parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1);havoc r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset := r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset;r_strncpy_~src#1.base, r_strncpy_~src#1.offset := r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset;r_strncpy_~n#1 := r_strncpy_#in~n#1;call r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset := strncpy(r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1);r_strncpy_#res#1.base, r_strncpy_#res#1.offset := r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset; 4468#L42 parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset := r_strncpy_#res#1.base, r_strncpy_#res#1.offset;assume { :end_inline_r_strncpy } true;havoc parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4466#L15 assume !(0 == __VERIFIER_assert_~cond#1); 4442#L15-2 assume { :end_inline___VERIFIER_assert } true;call write~int(0, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset + (1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1)), 1); 4443#L72 parse_expression_list_~start~0#1 := 1 + parse_expression_list_~i~0#1; 4474#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 4503#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 4502#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 4501#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4499#L66 assume parse_expression_list_#t~switch5#1; 4432#L67-5 [2021-12-22 20:13:16,567 INFO L793 eck$LassoCheckResult]: Loop: 4432#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 4433#L67-1 assume parse_expression_list_#t~short8#1; 4455#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 4432#L67-5 [2021-12-22 20:13:16,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:16,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1759377532, now seen corresponding path program 1 times [2021-12-22 20:13:16,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:16,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632893772] [2021-12-22 20:13:16,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:16,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-22 20:13:16,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:13:16,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632893772] [2021-12-22 20:13:16,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632893772] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 20:13:16,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9176534] [2021-12-22 20:13:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:16,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 20:13:16,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:13:16,652 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 20:13:16,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2021-12-22 20:13:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:13:16,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-22 20:13:16,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:13:16,781 INFO L387 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 [2021-12-22 20:13:16,824 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-22 20:13:16,824 INFO L387 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 [2021-12-22 20:13:16,938 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-22 20:13:16,954 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-22 20:13:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-22 20:13:16,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 20:13:16,982 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_532 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_parse_expression_list_~#str2~0#1.base| v_ArrVal_532) |c_ULTIMATE.start_parse_expression_list_~str#1.base|) (+ |c_ULTIMATE.start_parse_expression_list_~i~0#1| |c_ULTIMATE.start_parse_expression_list_~str#1.offset|)) 0)) is different from false [2021-12-22 20:13:17,049 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-12-22 20:13:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-22 20:13:17,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9176534] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 20:13:17,098 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 20:13:17,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2021-12-22 20:13:17,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303903013] [2021-12-22 20:13:17,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 20:13:17,100 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:13:17,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:13:17,100 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 4 times [2021-12-22 20:13:17,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:13:17,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23143303] [2021-12-22 20:13:17,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:13:17,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:13:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:17,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:13:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:13:17,108 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:13:17,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:13:17,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-22 20:13:17,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=82, Unknown=1, NotChecked=18, Total=132 [2021-12-22 20:13:17,156 INFO L87 Difference]: Start difference. First operand 107 states and 139 transitions. cyclomatic complexity: 40 Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 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) [2021-12-22 20:13:17,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:13:17,270 INFO L93 Difference]: Finished difference Result 85 states and 106 transitions. [2021-12-22 20:13:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 20:13:17,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 106 transitions. [2021-12-22 20:13:17,271 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:13:17,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 0 states and 0 transitions. [2021-12-22 20:13:17,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:13:17,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:13:17,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:13:17,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:13:17,271 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:13:17,271 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:13:17,271 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:13:17,272 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-22 20:13:17,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-22 20:13:17,272 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:13:17,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:13:17,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:13:17 BoogieIcfgContainer [2021-12-22 20:13:17,277 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:13:17,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:13:17,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:13:17,277 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:13:17,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:12:46" (3/4) ... [2021-12-22 20:13:17,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:13:17,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:13:17,281 INFO L158 Benchmark]: Toolchain (without parser) took 31951.42ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 86.0MB in the beginning and 70.9MB in the end (delta: 15.1MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2021-12-22 20:13:17,281 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:13:17,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.39ms. Allocated memory is still 107.0MB. Free memory was 85.6MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:13:17,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 72.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:13:17,282 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:13:17,282 INFO L158 Benchmark]: RCFGBuilder took 386.29ms. Allocated memory is still 107.0MB. Free memory was 71.3MB in the beginning and 57.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 20:13:17,282 INFO L158 Benchmark]: BuchiAutomizer took 31247.15ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 57.4MB in the beginning and 70.9MB in the end (delta: -13.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-12-22 20:13:17,282 INFO L158 Benchmark]: Witness Printer took 3.21ms. Allocated memory is still 136.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:13:17,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.39ms. Allocated memory is still 107.0MB. Free memory was 85.6MB in the beginning and 74.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 72.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.29ms. Allocated memory is still 107.0MB. Free memory was 71.3MB in the beginning and 57.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 31247.15ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 57.4MB in the beginning and 70.9MB in the end (delta: -13.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Witness Printer took 3.21ms. Allocated memory is still 136.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 14 terminating modules (10 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[str] + -1 * str and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[A] + -1 * start and consists of 6 locations. One deterministic module has affine ranking function j and consists of 6 locations. 10 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.1s and 15 iterations. TraceHistogramMax:8. Analysis of lassos took 29.2s. Construction of modules took 0.4s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 246 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 12. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 701 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 698 mSDsluCounter, 1565 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 32 IncrementalHoareTripleChecker+Unchecked, 1072 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 728 IncrementalHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 493 mSDtfsCounter, 728 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU6 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf100 lsp93 ukn84 mio100 lsp32 div100 bol100 ite100 ukn100 eq188 hnf90 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 4 VariablesLoop: 3 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! [2021-12-22 20:13:17,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:17,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2021-12-22 20:13:17,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-22 20:13:17,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-22 20:13:18,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE