./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/lis-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/lis-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 03:13:31,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 03:13:31,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 03:13:31,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 03:13:31,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 03:13:31,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 03:13:31,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 03:13:31,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 03:13:31,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 03:13:31,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 03:13:31,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 03:13:31,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 03:13:31,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 03:13:31,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 03:13:31,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 03:13:31,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 03:13:31,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 03:13:31,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 03:13:31,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 03:13:31,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 03:13:31,593 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 03:13:31,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 03:13:31,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 03:13:31,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 03:13:31,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 03:13:31,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 03:13:31,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 03:13:31,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 03:13:31,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 03:13:31,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 03:13:31,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 03:13:31,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 03:13:31,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 03:13:31,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 03:13:31,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 03:13:31,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 03:13:31,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 03:13:31,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 03:13:31,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 03:13:31,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 03:13:31,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 03:13:31,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 03:13:31,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 03:13:31,653 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 03:13:31,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 03:13:31,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 03:13:31,654 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 03:13:31,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 03:13:31,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 03:13:31,656 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 03:13:31,656 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 03:13:31,656 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 03:13:31,657 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 03:13:31,657 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 03:13:31,658 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 03:13:31,658 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 03:13:31,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 03:13:31,658 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 03:13:31,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 03:13:31,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 03:13:31,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 03:13:31,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 03:13:31,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 03:13:31,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 03:13:31,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 03:13:31,660 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 03:13:31,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 03:13:31,660 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 03:13:31,661 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 03:13:31,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 03:13:31,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 03:13:31,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 03:13:31,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 03:13:31,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 03:13:31,664 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 03:13:31,664 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 319f31ab0b5c801309acd19f3e336c9a25177d3201cf5ea4438ad6227d5f71cf [2022-07-22 03:13:32,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 03:13:32,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 03:13:32,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 03:13:32,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 03:13:32,053 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 03:13:32,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2022-07-22 03:13:32,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68ed89c5/c7f53f75df37478bb643862955ce5dbb/FLAG6109e8e24 [2022-07-22 03:13:32,578 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 03:13:32,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis-alloca-1.i [2022-07-22 03:13:32,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68ed89c5/c7f53f75df37478bb643862955ce5dbb/FLAG6109e8e24 [2022-07-22 03:13:33,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68ed89c5/c7f53f75df37478bb643862955ce5dbb [2022-07-22 03:13:33,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 03:13:33,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 03:13:33,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 03:13:33,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 03:13:33,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 03:13:33,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6079df60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33, skipping insertion in model container [2022-07-22 03:13:33,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 03:13:33,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 03:13:33,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:13:33,464 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 03:13:33,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 03:13:33,528 INFO L208 MainTranslator]: Completed translation [2022-07-22 03:13:33,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33 WrapperNode [2022-07-22 03:13:33,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 03:13:33,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 03:13:33,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 03:13:33,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 03:13:33,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,584 INFO L137 Inliner]: procedures = 116, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2022-07-22 03:13:33,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 03:13:33,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 03:13:33,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 03:13:33,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 03:13:33,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 03:13:33,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 03:13:33,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 03:13:33,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 03:13:33,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (1/1) ... [2022-07-22 03:13:33,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:33,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:33,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:33,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 03:13:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 03:13:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 03:13:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 03:13:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 03:13:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 03:13:33,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 03:13:33,794 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 03:13:33,796 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 03:13:33,974 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 03:13:33,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 03:13:33,979 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-22 03:13:33,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:13:33 BoogieIcfgContainer [2022-07-22 03:13:33,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 03:13:33,982 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 03:13:33,982 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 03:13:33,984 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 03:13:33,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:13:33,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 03:13:33" (1/3) ... [2022-07-22 03:13:33,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a320aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:13:33, skipping insertion in model container [2022-07-22 03:13:33,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:13:33,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:13:33" (2/3) ... [2022-07-22 03:13:33,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a320aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 03:13:33, skipping insertion in model container [2022-07-22 03:13:33,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 03:13:33,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:13:33" (3/3) ... [2022-07-22 03:13:33,989 INFO L354 chiAutomizerObserver]: Analyzing ICFG lis-alloca-1.i [2022-07-22 03:13:34,068 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 03:13:34,069 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 03:13:34,074 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 03:13:34,076 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 03:13:34,076 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 03:13:34,076 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 03:13:34,077 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 03:13:34,077 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 03:13:34,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:34,113 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2022-07-22 03:13:34,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:34,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:34,120 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 03:13:34,120 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:34,121 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 03:13:34,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:34,126 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2022-07-22 03:13:34,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:34,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:34,128 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 03:13:34,128 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:34,137 INFO L752 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 10#L530true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 6#L530-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 3#L535-3true [2022-07-22 03:13:34,139 INFO L754 eck$LassoCheckResult]: Loop: 3#L535-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 16#L535-2true main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 3#L535-3true [2022-07-22 03:13:34,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:34,153 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-22 03:13:34,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:34,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336246202] [2022-07-22 03:13:34,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:34,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:34,274 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:34,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:34,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:34,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-22 03:13:34,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:34,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708237336] [2022-07-22 03:13:34,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:34,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:34,341 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:34,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:34,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:34,367 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-22 03:13:34,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:34,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630144369] [2022-07-22 03:13:34,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:34,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:34,394 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:34,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:34,723 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:13:34,723 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:13:34,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:13:34,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:13:34,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:13:34,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:34,725 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:13:34,725 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:13:34,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration1_Lasso [2022-07-22 03:13:34,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:13:34,725 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:13:34,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:34,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:35,231 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:13:35,234 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:13:35,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 03:13:35,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:35,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:35,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:35,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:35,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:35,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:35,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:35,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:35,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:35,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:35,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 03:13:35,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:35,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:35,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:35,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:35,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:35,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:35,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:35,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:35,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:35,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 03:13:35,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:35,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:35,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:35,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:35,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:35,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:35,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:35,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:35,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-22 03:13:35,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:35,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 03:13:35,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:35,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:35,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:35,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:35,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:35,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:35,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:35,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 03:13:35,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:35,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:35,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:35,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:35,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:35,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:35,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:35,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:35,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:35,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 03:13:35,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 03:13:35,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:35,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:35,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:35,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:35,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:35,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:35,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:35,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:35,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:35,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-22 03:13:35,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 03:13:35,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:35,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:35,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:35,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:35,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:35,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:35,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:35,619 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:13:35,650 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-07-22 03:13:35,650 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-07-22 03:13:35,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:35,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:35,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:35,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 03:13:35,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:13:35,737 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 03:13:35,737 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:13:35,738 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1 - 2*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc17#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-07-22 03:13:35,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:35,774 INFO L293 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-07-22 03:13:35,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:35,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:35,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 03:13:35,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:35,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 03:13:35,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:35,967 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:13:35,968 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:36,035 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 74 transitions. Complement of second has 9 states. [2022-07-22 03:13:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 03:13:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2022-07-22 03:13:36,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 03:13:36,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:36,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-22 03:13:36,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:36,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-22 03:13:36,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:36,046 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 74 transitions. [2022-07-22 03:13:36,049 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-22 03:13:36,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 21 states and 33 transitions. [2022-07-22 03:13:36,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-22 03:13:36,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-22 03:13:36,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 33 transitions. [2022-07-22 03:13:36,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:13:36,054 INFO L369 hiAutomatonCegarLoop]: Abstraction has 21 states and 33 transitions. [2022-07-22 03:13:36,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 33 transitions. [2022-07-22 03:13:36,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-07-22 03:13:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 33 transitions. [2022-07-22 03:13:36,077 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 33 transitions. [2022-07-22 03:13:36,077 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 33 transitions. [2022-07-22 03:13:36,077 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 03:13:36,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 33 transitions. [2022-07-22 03:13:36,078 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-22 03:13:36,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:36,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:36,079 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 03:13:36,079 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:36,079 INFO L752 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 155#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 151#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 142#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 144#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 157#L517-3 [2022-07-22 03:13:36,079 INFO L754 eck$LassoCheckResult]: Loop: 157#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 156#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 157#L517-3 [2022-07-22 03:13:36,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:36,080 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-22 03:13:36,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:36,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841432489] [2022-07-22 03:13:36,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:36,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:36,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 03:13:36,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841432489] [2022-07-22 03:13:36,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841432489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 03:13:36,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 03:13:36,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 03:13:36,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250987817] [2022-07-22 03:13:36,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 03:13:36,133 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 03:13:36,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:36,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2022-07-22 03:13:36,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:36,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675500827] [2022-07-22 03:13:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:36,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,145 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:36,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 03:13:36,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 03:13:36,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 03:13:36,235 INFO L87 Difference]: Start difference. First operand 21 states and 33 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:36,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 03:13:36,260 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2022-07-22 03:13:36,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 03:13:36,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2022-07-22 03:13:36,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-22 03:13:36,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 30 transitions. [2022-07-22 03:13:36,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-22 03:13:36,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-22 03:13:36,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2022-07-22 03:13:36,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:13:36,263 INFO L369 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-07-22 03:13:36,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2022-07-22 03:13:36,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-07-22 03:13:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2022-07-22 03:13:36,266 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-07-22 03:13:36,266 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-07-22 03:13:36,266 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 03:13:36,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2022-07-22 03:13:36,267 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-22 03:13:36,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:36,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:36,268 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:13:36,268 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:36,268 INFO L752 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 205#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 201#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 192#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 193#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 194#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 195#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 207#L517-3 [2022-07-22 03:13:36,268 INFO L754 eck$LassoCheckResult]: Loop: 207#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 206#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 207#L517-3 [2022-07-22 03:13:36,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:36,269 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-07-22 03:13:36,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:36,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471790296] [2022-07-22 03:13:36,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:36,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,287 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:36,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2022-07-22 03:13:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:36,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44492134] [2022-07-22 03:13:36,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:36,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,310 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:36,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:36,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2022-07-22 03:13:36,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:36,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122748749] [2022-07-22 03:13:36,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:36,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,339 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:36,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:37,069 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:13:37,070 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:13:37,070 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:13:37,070 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:13:37,070 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:13:37,070 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:37,070 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:13:37,070 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:13:37,070 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration3_Lasso [2022-07-22 03:13:37,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:13:37,070 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:13:37,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:37,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:38,129 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:13:38,129 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:13:38,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,133 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 03:13:38,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,218 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 03:13:38,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,262 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 03:13:38,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,313 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 03:13:38,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,352 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 03:13:38,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-22 03:13:38,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,379 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 03:13:38,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:38,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:38,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,452 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 03:13:38,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,511 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:38,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:38,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 03:13:38,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,584 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 03:13:38,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,619 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 03:13:38,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-07-22 03:13:38,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,648 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 03:13:38,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,687 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-22 03:13:38,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-07-22 03:13:38,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,716 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 03:13:38,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:38,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:38,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-22 03:13:38,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,757 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-22 03:13:38,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-22 03:13:38,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,783 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-22 03:13:38,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-22 03:13:38,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,812 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-22 03:13:38,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:38,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:38,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,872 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 [2022-07-22 03:13:38,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,874 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-22 03:13:38,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-22 03:13:38,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,904 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-22 03:13:38,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:38,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:38,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:38,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:38,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:38,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:38,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:38,933 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:38,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-22 03:13:38,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:38,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:38,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:38,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:38,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:38,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:38,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:38,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:39,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,004 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:39,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:39,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:39,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-22 03:13:39,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-22 03:13:39,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,039 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-22 03:13:39,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:39,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:39,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:39,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-22 03:13:39,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,095 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-22 03:13:39,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:39,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:39,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:39,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:39,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,125 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-22 03:13:39,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:39,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:39,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:39,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-22 03:13:39,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,173 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-22 03:13:39,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:39,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:39,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-22 03:13:39,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,231 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,235 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 [2022-07-22 03:13:39,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:39,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:39,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-22 03:13:39,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:39,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,292 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-22 03:13:39,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:39,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:39,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:39,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,329 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-22 03:13:39,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:39,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:39,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:39,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-22 03:13:39,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,356 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-22 03:13:39,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:39,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:39,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:39,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,417 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:39,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:39,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-22 03:13:39,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:39,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,480 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-22 03:13:39,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:39,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:39,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-22 03:13:39,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,537 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-22 03:13:39,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:39,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:39,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:39,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:39,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-22 03:13:39,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,567 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 03:13:39,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:39,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:39,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:39,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:39,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:39,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:39,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:39,635 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:13:39,763 INFO L443 ModelExtractionUtils]: Simplification made 45 calls to the SMT solver. [2022-07-22 03:13:39,763 INFO L444 ModelExtractionUtils]: 9 out of 61 variables were initially zero. Simplification set additionally 47 variables to zero. [2022-07-22 03:13:39,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:39,768 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:39,776 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:13:39,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-22 03:13:39,783 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 03:13:39,783 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:13:39,783 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~i~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_lis_~N#1 + 1 >= 0] [2022-07-22 03:13:39,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:39,878 INFO L293 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2022-07-22 03:13:39,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:39,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 03:13:39,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:39,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 03:13:39,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:40,011 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-07-22 03:13:40,011 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 29 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 53 transitions. Complement of second has 13 states. [2022-07-22 03:13:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-07-22 03:13:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 23 transitions. [2022-07-22 03:13:40,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 03:13:40,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:40,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 03:13:40,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:40,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-22 03:13:40,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:40,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2022-07-22 03:13:40,118 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-22 03:13:40,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 36 states and 49 transitions. [2022-07-22 03:13:40,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-07-22 03:13:40,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-07-22 03:13:40,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2022-07-22 03:13:40,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 03:13:40,120 INFO L369 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions. [2022-07-22 03:13:40,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2022-07-22 03:13:40,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2022-07-22 03:13:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2022-07-22 03:13:40,125 INFO L392 hiAutomatonCegarLoop]: Abstraction has 31 states and 43 transitions. [2022-07-22 03:13:40,125 INFO L374 stractBuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2022-07-22 03:13:40,125 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 03:13:40,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2022-07-22 03:13:40,126 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-07-22 03:13:40,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:40,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:40,127 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:13:40,127 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 03:13:40,127 INFO L752 eck$LassoCheckResult]: Stem: 423#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 433#L530 assume main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911;main_~array_size~0#1 := 1; 439#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 448#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 447#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 446#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 445#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 444#L517-3 assume !(lis_~i~0#1 < lis_~N#1); 443#L517-4 lis_~i~0#1 := 1; 432#L519-3 [2022-07-22 03:13:40,128 INFO L754 eck$LassoCheckResult]: Loop: 432#L519-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 425#L520-3 assume !(lis_~j~0#1 < lis_~i~0#1); 426#L519-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 432#L519-3 [2022-07-22 03:13:40,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1090464999, now seen corresponding path program 1 times [2022-07-22 03:13:40,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:40,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57846624] [2022-07-22 03:13:40,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:40,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 03:13:40,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 03:13:40,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57846624] [2022-07-22 03:13:40,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57846624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 03:13:40,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 03:13:40,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 03:13:40,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142170853] [2022-07-22 03:13:40,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 03:13:40,174 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 03:13:40,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:40,174 INFO L85 PathProgramCache]: Analyzing trace with hash 74687, now seen corresponding path program 1 times [2022-07-22 03:13:40,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:40,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652410469] [2022-07-22 03:13:40,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:40,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,186 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:40,206 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:13:40,206 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:13:40,206 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:13:40,207 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:13:40,207 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 03:13:40,207 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:40,207 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:13:40,207 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:13:40,207 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration4_Loop [2022-07-22 03:13:40,207 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:13:40,208 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:13:40,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,259 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:13:40,260 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 03:13:40,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:40,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:40,263 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:40,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-22 03:13:40,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 03:13:40,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 03:13:40,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:40,307 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 [2022-07-22 03:13:40,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:40,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:40,308 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:40,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-22 03:13:40,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 03:13:40,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 03:13:40,421 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 03:13:40,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-22 03:13:40,424 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:13:40,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:13:40,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:13:40,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:13:40,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:13:40,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:40,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:13:40,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:13:40,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration4_Loop [2022-07-22 03:13:40,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:13:40,425 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:13:40,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:40,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:13:40,473 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:13:40,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:40,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:40,474 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:40,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-22 03:13:40,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:40,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:40,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:40,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:40,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:40,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:40,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:40,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:40,491 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:13:40,494 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 03:13:40,494 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 03:13:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:40,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:40,495 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:40,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-22 03:13:40,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:13:40,497 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 03:13:40,497 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:13:40,497 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~i~0#1 + 1 Supporting invariants [] [2022-07-22 03:13:40,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-22 03:13:40,514 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 03:13:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:40,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 03:13:40,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:40,568 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 03:13:40,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:40,595 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-22 03:13:40,595 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,651 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 79 transitions. Complement of second has 9 states. [2022-07-22 03:13:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-22 03:13:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-07-22 03:13:40,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 3 letters. [2022-07-22 03:13:40,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:40,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 13 letters. Loop has 3 letters. [2022-07-22 03:13:40,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:40,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 6 letters. [2022-07-22 03:13:40,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:40,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 79 transitions. [2022-07-22 03:13:40,663 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-07-22 03:13:40,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 74 transitions. [2022-07-22 03:13:40,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-07-22 03:13:40,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-07-22 03:13:40,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 74 transitions. [2022-07-22 03:13:40,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 03:13:40,666 INFO L369 hiAutomatonCegarLoop]: Abstraction has 50 states and 74 transitions. [2022-07-22 03:13:40,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 74 transitions. [2022-07-22 03:13:40,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2022-07-22 03:13:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 41 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 62 transitions. [2022-07-22 03:13:40,670 INFO L392 hiAutomatonCegarLoop]: Abstraction has 42 states and 62 transitions. [2022-07-22 03:13:40,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 03:13:40,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 03:13:40,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 03:13:40,671 INFO L87 Difference]: Start difference. First operand 42 states and 62 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 03:13:40,710 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2022-07-22 03:13:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 03:13:40,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2022-07-22 03:13:40,712 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-22 03:13:40,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 64 transitions. [2022-07-22 03:13:40,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-07-22 03:13:40,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-07-22 03:13:40,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 64 transitions. [2022-07-22 03:13:40,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 03:13:40,714 INFO L369 hiAutomatonCegarLoop]: Abstraction has 45 states and 64 transitions. [2022-07-22 03:13:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 64 transitions. [2022-07-22 03:13:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2022-07-22 03:13:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.441860465116279) internal successors, (62), 42 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 62 transitions. [2022-07-22 03:13:40,717 INFO L392 hiAutomatonCegarLoop]: Abstraction has 43 states and 62 transitions. [2022-07-22 03:13:40,717 INFO L374 stractBuchiCegarLoop]: Abstraction has 43 states and 62 transitions. [2022-07-22 03:13:40,717 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 03:13:40,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 62 transitions. [2022-07-22 03:13:40,718 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-07-22 03:13:40,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 03:13:40,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 03:13:40,719 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 03:13:40,719 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 03:13:40,719 INFO L752 eck$LassoCheckResult]: Stem: 663#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 664#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~nondet19#1, main_#t~post18#1, main_~i~1#1, main_#t~ret20#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 679#L530 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 670#L530-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;main_~i~1#1 := 0; 658#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 659#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 678#L535-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet19#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet19#1; 699#L535-2 main_#t~post18#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post18#1;havoc main_#t~post18#1; 698#L535-3 assume !(main_~i~1#1 < main_~array_size~0#1); 697#L535-4 assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 694#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 680#L517-2 [2022-07-22 03:13:40,719 INFO L754 eck$LassoCheckResult]: Loop: 680#L517-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 681#L517-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 680#L517-2 [2022-07-22 03:13:40,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:40,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2022-07-22 03:13:40,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:40,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726469409] [2022-07-22 03:13:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,762 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:40,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:40,795 INFO L85 PathProgramCache]: Analyzing trace with hash 2015, now seen corresponding path program 3 times [2022-07-22 03:13:40,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:40,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005149303] [2022-07-22 03:13:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,806 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:40,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:40,815 INFO L85 PathProgramCache]: Analyzing trace with hash -856885748, now seen corresponding path program 2 times [2022-07-22 03:13:40,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 03:13:40,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454032192] [2022-07-22 03:13:40,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 03:13:40,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 03:13:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,835 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 03:13:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 03:13:40,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 03:13:41,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:41,707 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 03:13:41,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 03:13:41,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 03:13:41,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 03:13:41,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 03:13:41,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:41,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 03:13:41,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 03:13:41,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-1.i_Iteration5_Lasso [2022-07-22 03:13:41,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 03:13:41,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 03:13:41,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:41,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 03:13:42,718 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 03:13:42,719 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 03:13:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,724 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-22 03:13:42,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:42,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:42,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:42,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-22 03:13:42,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,752 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-22 03:13:42,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:42,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:42,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:42,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:42,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,779 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-22 03:13:42,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:42,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:42,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:42,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-22 03:13:42,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,807 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-22 03:13:42,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:42,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:42,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-22 03:13:42,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,874 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-22 03:13:42,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:42,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:42,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:42,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-22 03:13:42,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,901 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-22 03:13:42,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:42,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:42,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:42,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-22 03:13:42,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,928 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-22 03:13:42,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:42,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:42,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-22 03:13:42,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,959 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-22 03:13:42,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:42,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:42,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:42,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:42,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-22 03:13:42,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:42,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:42,987 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:42,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-22 03:13:42,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:42,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:42,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 03:13:42,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:42,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:42,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:42,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 03:13:42,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 03:13:42,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 03:13:43,013 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 [2022-07-22 03:13:43,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:43,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:43,014 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:43,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-22 03:13:43,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 03:13:43,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 03:13:43,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 03:13:43,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 03:13:43,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 03:13:43,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 03:13:43,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 03:13:43,059 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 03:13:43,103 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-07-22 03:13:43,103 INFO L444 ModelExtractionUtils]: 41 out of 64 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-07-22 03:13:43,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 03:13:43,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 03:13:43,108 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 03:13:43,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-22 03:13:43,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 03:13:43,132 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 03:13:43,132 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 03:13:43,132 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_lis_~best~0#1.base)_2, ULTIMATE.start_lis_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_lis_~best~0#1.base)_2 - 4*ULTIMATE.start_lis_~i~0#1 Supporting invariants [1*ULTIMATE.start_lis_~prev~0#1.offset >= 0] [2022-07-22 03:13:43,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:43,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-22 03:13:43,263 INFO L293 tatePredicateManager]: 26 out of 28 supporting invariants were superfluous and have been removed [2022-07-22 03:13:43,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:43,389 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:13:43,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,413 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 66 transitions. Complement of second has 4 states. [2022-07-22 03:13:43,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 03:13:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-07-22 03:13:43,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 03:13:43,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:43,416 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 03:13:43,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:43,539 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:13:43,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,563 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 66 transitions. Complement of second has 4 states. [2022-07-22 03:13:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 03:13:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-07-22 03:13:43,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 03:13:43,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:43,565 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 03:13:43,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:43,685 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:13:43,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 64 transitions. Complement of second has 4 states. [2022-07-22 03:13:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-07-22 03:13:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-07-22 03:13:43,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 03:13:43,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:43,742 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 03:13:43,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:43,849 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:13:43,849 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 62 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 72 transitions. Complement of second has 7 states. [2022-07-22 03:13:43,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2022-07-22 03:13:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-07-22 03:13:43,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 36 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 03:13:43,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:43,909 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 03:13:43,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 03:13:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 03:13:43,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 03:13:43,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 03:13:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 03:13:44,027 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-22 03:13:44,028 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:44,130 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 43 states and 62 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 204 states and 366 transitions. Complement of second has 11 states 5 powerset states6 rank states. The highest rank that occured is 1 [2022-07-22 03:13:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-07-22 03:13:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 03:13:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 60 transitions. [2022-07-22 03:13:44,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 60 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 03:13:44,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 03:13:44,132 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-22 03:13:44,132 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiAndReportRankingFunction(AbstractBuchiCegarLoop.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 03:13:44,134 INFO L158 Benchmark]: Toolchain (without parser) took 11045.69ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 30.7MB in the beginning and 46.9MB in the end (delta: -16.2MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-07-22 03:13:44,135 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 03:13:44,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.78ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 44.5MB in the end (delta: -14.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-07-22 03:13:44,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.13ms. Allocated memory is still 67.1MB. Free memory was 44.5MB in the beginning and 42.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 03:13:44,135 INFO L158 Benchmark]: Boogie Preprocessor took 58.02ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 41.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 03:13:44,136 INFO L158 Benchmark]: RCFGBuilder took 336.00ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 42.7MB in the end (delta: -1.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-07-22 03:13:44,136 INFO L158 Benchmark]: BuchiAutomizer took 10151.71ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 42.7MB in the beginning and 46.9MB in the end (delta: -4.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-07-22 03:13:44,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 37.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.78ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 44.5MB in the end (delta: -14.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.13ms. Allocated memory is still 67.1MB. Free memory was 44.5MB in the beginning and 42.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.02ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 41.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 336.00ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 42.7MB in the end (delta: -1.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 10151.71ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 42.7MB in the beginning and 46.9MB in the end (delta: -4.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-22 03:13:44,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient