./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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/termination-recursive-malloc/selectionSort_recursive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:10:00,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:10:00,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:10:00,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:10:00,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:10:00,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:10:00,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:10:00,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:10:00,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:10:00,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:10:00,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:10:00,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:10:00,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:10:00,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:10:00,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:10:00,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:10:00,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:10:00,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:10:00,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:10:00,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:10:00,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:10:00,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:10:00,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:10:00,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:10:00,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:10:00,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:10:00,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:10:00,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:10:00,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:10:00,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:10:00,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:10:00,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:10:00,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:10:00,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:10:00,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:10:00,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:10:00,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:10:00,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:10:00,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:10:00,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:10:00,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:10:00,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-14 23:10:00,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:10:00,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:10:00,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:10:00,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:10:00,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:10:00,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:10:00,729 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:10:00,729 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:10:00,729 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:10:00,729 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:10:00,730 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:10:00,730 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:10:00,730 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:10:00,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:10:00,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:10:00,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:10:00,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:10:00,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:10:00,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:10:00,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:10:00,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:10:00,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:10:00,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:10:00,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 [2021-12-14 23:10:00,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:10:00,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:10:00,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:10:00,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:10:00,911 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:10:00,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2021-12-14 23:10:00,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d245869/ed360a3b3c524ef99782793f24edb640/FLAG733213e8d [2021-12-14 23:10:01,278 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:10:01,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2021-12-14 23:10:01,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d245869/ed360a3b3c524ef99782793f24edb640/FLAG733213e8d [2021-12-14 23:10:01,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d245869/ed360a3b3c524ef99782793f24edb640 [2021-12-14 23:10:01,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:10:01,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:10:01,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:10:01,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:10:01,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:10:01,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f84a7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01, skipping insertion in model container [2021-12-14 23:10:01,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:10:01,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:10:01,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:10:01,869 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:10:01,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:10:01,899 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:10:01,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01 WrapperNode [2021-12-14 23:10:01,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:10:01,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:10:01,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:10:01,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:10:01,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,926 INFO L137 Inliner]: procedures = 11, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2021-12-14 23:10:01,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:10:01,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:10:01,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:10:01,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:10:01,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:10:01,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:10:01,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:10:01,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:10:01,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (1/1) ... [2021-12-14 23:10:01,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:01,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:02,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:02,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-14 23:10:02,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 23:10:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 23:10:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:10:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:10:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 23:10:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2021-12-14 23:10:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2021-12-14 23:10:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 23:10:02,087 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:10:02,088 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:10:02,233 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:10:02,237 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:10:02,237 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 23:10:02,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:10:02 BoogieIcfgContainer [2021-12-14 23:10:02,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:10:02,239 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:10:02,239 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:10:02,241 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:10:02,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:10:02,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:10:01" (1/3) ... [2021-12-14 23:10:02,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10c6b04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:10:02, skipping insertion in model container [2021-12-14 23:10:02,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:10:02,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:10:01" (2/3) ... [2021-12-14 23:10:02,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10c6b04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:10:02, skipping insertion in model container [2021-12-14 23:10:02,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:10:02,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:10:02" (3/3) ... [2021-12-14 23:10:02,256 INFO L388 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2021-12-14 23:10:02,300 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:10:02,303 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:10:02,304 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:10:02,304 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:10:02,304 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:10:02,304 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:10:02,304 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:10:02,304 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:10:02,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:02,340 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-14 23:10:02,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:02,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:02,358 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-14 23:10:02,358 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-14 23:10:02,358 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:10:02,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-14 23:10:02,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-14 23:10:02,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:02,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:02,361 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-14 23:10:02,361 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-14 23:10:02,369 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 10#L31true assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 13#L36-3true [2021-12-14 23:10:02,369 INFO L793 eck$LassoCheckResult]: Loop: 13#L36-3true assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 14#L36-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 13#L36-3true [2021-12-14 23:10:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:02,377 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-14 23:10:02,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:02,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128104797] [2021-12-14 23:10:02,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:02,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:02,456 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:02,484 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:02,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-12-14 23:10:02,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:02,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138381449] [2021-12-14 23:10:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:02,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:02,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:02,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:02,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:02,527 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-12-14 23:10:02,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:02,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197558980] [2021-12-14 23:10:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:02,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:02,555 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:02,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:02,770 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:02,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:02,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:02,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:02,772 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:10:02,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:02,772 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:02,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:02,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2021-12-14 23:10:02,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:02,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:02,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:02,967 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:02,970 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:10:02,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:02,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:02,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:02,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:02,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:02,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:02,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:02,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:02,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-14 23:10:02,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:02,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:03,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:03,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-14 23:10:03,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-14 23:10:03,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:03,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:03,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:03,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:03,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:03,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:03,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:03,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:03,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:03,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-14 23:10:03,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-14 23:10:03,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:03,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:03,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:03,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:03,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:03,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:03,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:03,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:03,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:03,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:03,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-14 23:10:03,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:03,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:03,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:03,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:03,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:03,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:03,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:03,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:03,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:03,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:03,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-14 23:10:03,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:03,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:03,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:03,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:03,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:03,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:03,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:03,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:03,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:03,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-14 23:10:03,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,180 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-14 23:10:03,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:03,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:03,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:03,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:03,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:03,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:03,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:03,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:03,223 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 [2021-12-14 23:10:03,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,224 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-14 23:10:03,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:03,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:03,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:03,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:03,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:03,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:03,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:03,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:03,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:03,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:03,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-14 23:10:03,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:03,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:03,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:03,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:03,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:03,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:03,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:03,291 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:10:03,306 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-14 23:10:03,306 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-14 23:10:03,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:03,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:03,320 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:03,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-14 23:10:03,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:10:03,392 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:10:03,392 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:10:03,393 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-12-14 23:10:03,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-14 23:10:03,439 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-14 23:10:03,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:03,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:10:03,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:03,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:03,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:03,511 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:10:03,512 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:03,542 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 53 transitions. Complement of second has 9 states. [2021-12-14 23:10:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:03,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:03,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-12-14 23:10:03,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2021-12-14 23:10:03,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:03,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-14 23:10:03,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:03,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-14 23:10:03,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:03,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2021-12-14 23:10:03,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-14 23:10:03,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 14 states and 19 transitions. [2021-12-14 23:10:03,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-14 23:10:03,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-14 23:10:03,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2021-12-14 23:10:03,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:03,558 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-14 23:10:03,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2021-12-14 23:10:03,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-14 23:10:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-12-14 23:10:03,575 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-14 23:10:03,575 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-14 23:10:03,575 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:10:03,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-12-14 23:10:03,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-14 23:10:03,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:03,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:03,577 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-14 23:10:03,577 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-14 23:10:03,577 INFO L791 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 116#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 117#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 107#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 110#selectionSortENTRY [2021-12-14 23:10:03,577 INFO L793 eck$LassoCheckResult]: Loop: 110#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 111#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 109#L14-3 assume !(~index~0 < ~size); 114#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 108#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 110#selectionSortENTRY [2021-12-14 23:10:03,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:03,578 INFO L85 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 1 times [2021-12-14 23:10:03,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:03,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966891274] [2021-12-14 23:10:03,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:03,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:03,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:03,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966891274] [2021-12-14 23:10:03,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966891274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:10:03,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:10:03,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:10:03,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716725273] [2021-12-14 23:10:03,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:10:03,611 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:10:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:03,612 INFO L85 PathProgramCache]: Analyzing trace with hash 53570596, now seen corresponding path program 1 times [2021-12-14 23:10:03,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:03,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545957693] [2021-12-14 23:10:03,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:03,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:03,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:03,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545957693] [2021-12-14 23:10:03,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545957693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:10:03,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:10:03,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:10:03,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210531857] [2021-12-14 23:10:03,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:10:03,630 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:10:03,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:03,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:10:03,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:10:03,633 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:03,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:03,642 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-12-14 23:10:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:10:03,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-12-14 23:10:03,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-14 23:10:03,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2021-12-14 23:10:03,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-14 23:10:03,645 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-14 23:10:03,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-12-14 23:10:03,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:03,645 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-12-14 23:10:03,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-12-14 23:10:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-14 23:10:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-12-14 23:10:03,647 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-12-14 23:10:03,647 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-12-14 23:10:03,647 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:10:03,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-12-14 23:10:03,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-14 23:10:03,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:03,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:03,648 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-14 23:10:03,648 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:03,649 INFO L791 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 152#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 153#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 143#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 142#selectionSortENTRY [2021-12-14 23:10:03,649 INFO L793 eck$LassoCheckResult]: Loop: 142#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 145#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 150#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 151#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 146#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 147#L14-3 assume !(~index~0 < ~size); 154#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 144#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 142#selectionSortENTRY [2021-12-14 23:10:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:03,649 INFO L85 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 2 times [2021-12-14 23:10:03,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:03,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797753343] [2021-12-14 23:10:03,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:03,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:03,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:03,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797753343] [2021-12-14 23:10:03,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797753343] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:10:03,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:10:03,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:10:03,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661294682] [2021-12-14 23:10:03,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:10:03,668 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:10:03,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 1 times [2021-12-14 23:10:03,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:03,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320377346] [2021-12-14 23:10:03,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:03,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:03,678 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:03,686 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:03,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:04,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:04,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:10:04,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:10:04,116 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:04,122 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-12-14 23:10:04,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:10:04,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-12-14 23:10:04,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-14 23:10:04,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2021-12-14 23:10:04,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-14 23:10:04,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-14 23:10:04,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-12-14 23:10:04,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:04,124 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-14 23:10:04,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-12-14 23:10:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-12-14 23:10:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-12-14 23:10:04,125 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-14 23:10:04,126 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-14 23:10:04,126 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-14 23:10:04,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-12-14 23:10:04,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-14 23:10:04,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:04,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:04,127 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:04,127 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:04,127 INFO L791 eck$LassoCheckResult]: Stem: 185#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 189#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 190#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 192#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 193#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 181#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 179#selectionSortENTRY [2021-12-14 23:10:04,127 INFO L793 eck$LassoCheckResult]: Loop: 179#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 182#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 187#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 188#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 183#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 184#L14-3 assume !(~index~0 < ~size); 191#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 180#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 179#selectionSortENTRY [2021-12-14 23:10:04,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:04,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996941, now seen corresponding path program 1 times [2021-12-14 23:10:04,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:04,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157707983] [2021-12-14 23:10:04,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:04,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,135 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:04,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 2 times [2021-12-14 23:10:04,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:04,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306917679] [2021-12-14 23:10:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:04,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,162 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:04,170 INFO L85 PathProgramCache]: Analyzing trace with hash 170190416, now seen corresponding path program 1 times [2021-12-14 23:10:04,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:04,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928699767] [2021-12-14 23:10:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:04,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:10:04,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:04,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928699767] [2021-12-14 23:10:04,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928699767] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 23:10:04,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831525515] [2021-12-14 23:10:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:04,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 23:10:04,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:04,222 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 23:10:04,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-14 23:10:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:04,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-14 23:10:04,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:10:04,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 23:10:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:10:04,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831525515] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 23:10:04,380 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 23:10:04,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2021-12-14 23:10:04,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67812101] [2021-12-14 23:10:04,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 23:10:04,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:04,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 23:10:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-12-14 23:10:04,704 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:04,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:04,749 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-12-14 23:10:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 23:10:04,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2021-12-14 23:10:04,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-14 23:10:04,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 21 transitions. [2021-12-14 23:10:04,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-14 23:10:04,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-14 23:10:04,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-12-14 23:10:04,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:04,752 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-12-14 23:10:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-12-14 23:10:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-12-14 23:10:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-14 23:10:04,754 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-14 23:10:04,754 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-14 23:10:04,754 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-14 23:10:04,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-14 23:10:04,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-14 23:10:04,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:04,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:04,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-12-14 23:10:04,755 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:04,755 INFO L791 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 327#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 330#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 331#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 333#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 334#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 335#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 336#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 321#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 320#selectionSortENTRY [2021-12-14 23:10:04,756 INFO L793 eck$LassoCheckResult]: Loop: 320#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 323#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 328#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 329#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 324#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 325#L14-3 assume !(~index~0 < ~size); 332#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 322#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 320#selectionSortENTRY [2021-12-14 23:10:04,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:04,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1357299119, now seen corresponding path program 2 times [2021-12-14 23:10:04,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:04,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907121367] [2021-12-14 23:10:04,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:04,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,776 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,783 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:04,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:04,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 3 times [2021-12-14 23:10:04,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:04,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326911051] [2021-12-14 23:10:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:04,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,791 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:04,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:04,798 INFO L85 PathProgramCache]: Analyzing trace with hash -290845646, now seen corresponding path program 2 times [2021-12-14 23:10:04,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:04,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052333695] [2021-12-14 23:10:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:04,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,812 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:04,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:05,323 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:05,323 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:05,323 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:05,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:05,324 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:10:05,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:05,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:05,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:05,324 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration5_Lasso [2021-12-14 23:10:05,324 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:05,324 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:05,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:05,774 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:05,774 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:10:05,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:05,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:05,776 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:05,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-14 23:10:05,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:05,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:05,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:05,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:05,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:05,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:05,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:05,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:05,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:05,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:05,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:05,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:05,838 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:05,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-14 23:10:05,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:05,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:05,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:05,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:05,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:05,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:05,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:05,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:05,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:05,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:05,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:05,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:05,892 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:05,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:05,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:05,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:05,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:05,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:05,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:05,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:05,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:05,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-14 23:10:05,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:05,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:05,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:05,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:05,954 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:05,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-14 23:10:05,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:05,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:05,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:05,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:05,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:05,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:05,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:05,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:05,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:06,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:06,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-14 23:10:06,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,078 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-14 23:10:06,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,120 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-14 23:10:06,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-14 23:10:06,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,164 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-14 23:10:06,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,234 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-14 23:10:06,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,278 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-14 23:10:06,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,333 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-14 23:10:06,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,377 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-14 23:10:06,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,437 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-14 23:10:06,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,488 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 [2021-12-14 23:10:06,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,490 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-14 23:10:06,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,537 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-14 23:10:06,540 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 [2021-12-14 23:10:06,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,581 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-14 23:10:06,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:06,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:06,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,637 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-14 23:10:06,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,693 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-14 23:10:06,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,741 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-14 23:10:06,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,784 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-14 23:10:06,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,814 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-14 23:10:06,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,859 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-14 23:10:06,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:06,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,901 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-14 23:10:06,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:06,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-14 23:10:06,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:06,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:06,943 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:06,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-14 23:10:06,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:06,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:06,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:06,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:06,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:06,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:06,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:06,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:06,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:07,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-14 23:10:07,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:07,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:07,007 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:07,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-14 23:10:07,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:07,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:07,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:07,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:07,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:07,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:07,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:07,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:07,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:07,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:07,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:07,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:07,037 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:07,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-14 23:10:07,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:07,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:07,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:07,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:07,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:07,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:07,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:07,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:07,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:07,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:07,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:07,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:07,068 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:07,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-14 23:10:07,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:07,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:07,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:07,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:07,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:07,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:07,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:07,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:07,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:07,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:07,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:07,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:07,112 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:07,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-14 23:10:07,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:07,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:07,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:07,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:07,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:07,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:07,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:07,152 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:10:07,164 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-14 23:10:07,165 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-12-14 23:10:07,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:07,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:07,172 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:07,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-14 23:10:07,174 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:10:07,195 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:10:07,195 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:10:07,195 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_#in~startIndex, selectionSort_#in~size) = -1*selectionSort_#in~startIndex + 1*selectionSort_#in~size Supporting invariants [] [2021-12-14 23:10:07,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-14 23:10:07,217 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-14 23:10:07,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:07,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:07,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:07,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-14 23:10:07,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:10:07,298 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-14 23:10:07,298 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:07,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 48 transitions. Complement of second has 11 states. [2021-12-14 23:10:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:07,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-12-14 23:10:07,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 8 letters. [2021-12-14 23:10:07,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:07,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 8 letters. [2021-12-14 23:10:07,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:07,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 16 letters. [2021-12-14 23:10:07,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:07,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2021-12-14 23:10:07,332 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-14 23:10:07,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2021-12-14 23:10:07,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-14 23:10:07,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-14 23:10:07,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2021-12-14 23:10:07,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:10:07,333 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-12-14 23:10:07,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2021-12-14 23:10:07,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2021-12-14 23:10:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-12-14 23:10:07,334 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-14 23:10:07,334 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-14 23:10:07,334 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-14 23:10:07,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-12-14 23:10:07,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:07,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:07,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:07,335 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:07,335 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:10:07,335 INFO L791 eck$LassoCheckResult]: Stem: 480#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 481#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 486#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 487#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 488#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 489#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 490#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 491#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 471#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 470#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 473#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 477#L14-3 [2021-12-14 23:10:07,335 INFO L793 eck$LassoCheckResult]: Loop: 477#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 482#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 476#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 477#L14-3 [2021-12-14 23:10:07,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:07,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1305603789, now seen corresponding path program 1 times [2021-12-14 23:10:07,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:07,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211675503] [2021-12-14 23:10:07,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:07,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:07,346 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:07,352 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:07,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 1 times [2021-12-14 23:10:07,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:07,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226965426] [2021-12-14 23:10:07,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:07,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:07,354 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:07,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:07,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:07,358 INFO L85 PathProgramCache]: Analyzing trace with hash -18607689, now seen corresponding path program 1 times [2021-12-14 23:10:07,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:07,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102461932] [2021-12-14 23:10:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:07,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:07,366 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:07,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:07,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-14 23:10:07,905 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:07,905 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:07,905 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:07,905 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:07,905 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:10:07,905 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:07,905 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:07,905 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:07,905 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2021-12-14 23:10:07,906 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:07,906 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:07,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:07,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:07,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:07,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:07,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:08,369 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:08,369 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:10:08,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:08,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:08,370 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:08,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-14 23:10:08,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:08,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:08,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:08,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:08,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:08,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:08,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:08,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:08,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:08,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:08,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:08,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:08,417 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:08,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-14 23:10:08,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:08,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:08,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:08,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:08,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:08,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:08,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:08,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:08,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-14 23:10:08,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:08,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:08,446 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:08,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-14 23:10:08,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:08,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:08,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:08,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:08,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:08,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:08,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:08,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:08,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:08,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:08,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:08,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:08,472 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:08,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-14 23:10:08,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:08,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:08,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:08,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:08,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:08,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:08,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:08,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:08,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:08,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-14 23:10:08,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:08,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:08,508 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:08,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-14 23:10:08,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:08,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:08,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:08,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:08,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:08,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:08,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:08,538 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:10:08,554 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-14 23:10:08,554 INFO L444 ModelExtractionUtils]: 16 out of 34 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-12-14 23:10:08,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:08,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:08,555 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:08,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-14 23:10:08,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:10:08,564 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:10:08,564 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:10:08,564 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2021-12-14 23:10:08,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-14 23:10:08,588 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-12-14 23:10:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:08,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:08,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:08,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:08,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:08,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:08,651 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:10:08,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:08,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 53 transitions. Complement of second has 8 states. [2021-12-14 23:10:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-12-14 23:10:08,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-14 23:10:08,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:08,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2021-12-14 23:10:08,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:08,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-12-14 23:10:08,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:08,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2021-12-14 23:10:08,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:08,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 36 transitions. [2021-12-14 23:10:08,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-14 23:10:08,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-14 23:10:08,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2021-12-14 23:10:08,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:10:08,664 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-12-14 23:10:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2021-12-14 23:10:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2021-12-14 23:10:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-14 23:10:08,666 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-14 23:10:08,666 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-14 23:10:08,666 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-14 23:10:08,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-12-14 23:10:08,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:08,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:08,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:08,666 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:08,666 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:10:08,667 INFO L791 eck$LassoCheckResult]: Stem: 629#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 630#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 635#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 636#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 637#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 638#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 639#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 640#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 620#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 619#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 621#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 632#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 633#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 627#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 628#L14-3 assume !(~index~0 < ~size); 634#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 623#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 622#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 624#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 626#L14-3 [2021-12-14 23:10:08,667 INFO L793 eck$LassoCheckResult]: Loop: 626#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 631#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 625#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 626#L14-3 [2021-12-14 23:10:08,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:08,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1445216632, now seen corresponding path program 1 times [2021-12-14 23:10:08,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:08,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535991747] [2021-12-14 23:10:08,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:08,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:10:08,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:08,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535991747] [2021-12-14 23:10:08,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535991747] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 23:10:08,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011244969] [2021-12-14 23:10:08,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:08,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 23:10:08,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:08,726 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 23:10:08,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-12-14 23:10:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:08,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-14 23:10:08,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:08,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:10:08,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 23:10:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-14 23:10:08,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011244969] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 23:10:08,921 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 23:10:08,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2021-12-14 23:10:08,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698507148] [2021-12-14 23:10:08,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 23:10:08,922 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:10:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:08,922 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 2 times [2021-12-14 23:10:08,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:08,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090699244] [2021-12-14 23:10:08,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:08,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:08,925 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:08,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:08,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:08,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-14 23:10:08,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-12-14 23:10:08,973 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 12 states have internal predecessors, (36), 4 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:09,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:09,053 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-12-14 23:10:09,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 23:10:09,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2021-12-14 23:10:09,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:09,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2021-12-14 23:10:09,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-14 23:10:09,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-14 23:10:09,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2021-12-14 23:10:09,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:10:09,055 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-12-14 23:10:09,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2021-12-14 23:10:09,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-12-14 23:10:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-12-14 23:10:09,056 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-12-14 23:10:09,056 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-12-14 23:10:09,056 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-14 23:10:09,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2021-12-14 23:10:09,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:09,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:09,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:09,057 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:09,057 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:10:09,057 INFO L791 eck$LassoCheckResult]: Stem: 822#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 823#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 827#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 828#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 830#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 833#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 835#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 831#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 832#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 834#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 813#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 812#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 814#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 825#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 826#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 820#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 821#L14-3 assume !(~index~0 < ~size); 829#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 816#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 815#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 817#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 819#L14-3 [2021-12-14 23:10:09,057 INFO L793 eck$LassoCheckResult]: Loop: 819#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 824#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 818#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 819#L14-3 [2021-12-14 23:10:09,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash -2046843302, now seen corresponding path program 2 times [2021-12-14 23:10:09,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:09,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128053933] [2021-12-14 23:10:09,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:09,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:09,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:10:09,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128053933] [2021-12-14 23:10:09,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128053933] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 23:10:09,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563160727] [2021-12-14 23:10:09,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 23:10:09,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 23:10:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:09,126 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 23:10:09,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-12-14 23:10:09,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 23:10:09,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 23:10:09,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-14 23:10:09,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:09,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 23:10:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:09,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563160727] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 23:10:09,345 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-14 23:10:09,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2021-12-14 23:10:09,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791995703] [2021-12-14 23:10:09,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-14 23:10:09,345 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:10:09,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:09,346 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 3 times [2021-12-14 23:10:09,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:09,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733261403] [2021-12-14 23:10:09,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:09,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,349 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,351 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:09,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:10:09,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-14 23:10:09,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-12-14 23:10:09,398 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 16 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:09,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:10:09,536 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2021-12-14 23:10:09,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 23:10:09,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2021-12-14 23:10:09,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:09,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 46 transitions. [2021-12-14 23:10:09,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-14 23:10:09,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-14 23:10:09,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2021-12-14 23:10:09,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:10:09,538 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-12-14 23:10:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2021-12-14 23:10:09,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2021-12-14 23:10:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:09,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-12-14 23:10:09,539 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-12-14 23:10:09,539 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-12-14 23:10:09,540 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-14 23:10:09,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-12-14 23:10:09,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-14 23:10:09,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:10:09,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:10:09,540 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:10:09,540 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-14 23:10:09,540 INFO L791 eck$LassoCheckResult]: Stem: 1036#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1037#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1040#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 1041#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1043#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1044#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1045#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1049#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1048#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1047#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 1026#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 1025#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1027#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1052#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1051#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1034#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1035#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1039#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1046#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1050#L14-3 assume !(~index~0 < ~size); 1042#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1029#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 1028#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1030#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1033#L14-3 [2021-12-14 23:10:09,540 INFO L793 eck$LassoCheckResult]: Loop: 1033#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1038#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 1032#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1033#L14-3 [2021-12-14 23:10:09,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:09,541 INFO L85 PathProgramCache]: Analyzing trace with hash 349648920, now seen corresponding path program 3 times [2021-12-14 23:10:09,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:09,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478000432] [2021-12-14 23:10:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:09,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,553 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:09,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 4 times [2021-12-14 23:10:09,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:09,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860925334] [2021-12-14 23:10:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:09,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,567 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:09,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:09,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1095320754, now seen corresponding path program 1 times [2021-12-14 23:10:09,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:10:09,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640834905] [2021-12-14 23:10:09,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:10:09,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:10:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,582 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:10:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:10:09,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:10:10,750 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:10:10,751 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:10:10,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:10:10,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:10:10,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:10:10,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:10,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:10:10,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:10:10,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration9_Lasso [2021-12-14 23:10:10,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:10:10,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:10:10,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:10,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:10:11,281 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:10:11,281 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:10:11,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,283 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-14 23:10:11,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,309 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-14 23:10:11,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,349 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-14 23:10:11,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,389 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-14 23:10:11,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:11,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:11,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,423 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-14 23:10:11,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,464 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-14 23:10:11,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,504 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-14 23:10:11,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,544 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-14 23:10:11,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,583 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-14 23:10:11,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-14 23:10:11,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,633 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-14 23:10:11,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,659 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-14 23:10:11,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,700 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-14 23:10:11,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-14 23:10:11,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,725 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-14 23:10:11,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,766 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-14 23:10:11,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:11,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:11,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,834 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-14 23:10:11,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,872 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-14 23:10:11,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,898 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-14 23:10:11,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,925 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-14 23:10:11,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:10:11,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:10:11,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:10:11,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:10:11,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:11,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:11,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:11,950 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:11,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-14 23:10:11,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:10:11,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:10:11,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:10:11,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:10:11,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:10:11,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:10:11,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:10:11,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:10:12,004 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-12-14 23:10:12,004 INFO L444 ModelExtractionUtils]: 7 out of 34 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-12-14 23:10:12,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:10:12,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:10:12,005 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-14 23:10:12,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-14 23:10:12,006 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:10:12,012 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-14 23:10:12,012 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:10:12,012 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2021-12-14 23:10:12,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:12,053 INFO L297 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2021-12-14 23:10:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:12,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 23:10:12,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:12,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:12,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:12,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:12,179 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:10:12,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:12,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2021-12-14 23:10:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:12,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-12-14 23:10:12,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2021-12-14 23:10:12,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:12,214 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-14 23:10:12,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:12,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 23:10:12,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:12,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:12,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:12,350 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:10:12,350 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:12,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2021-12-14 23:10:12,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:12,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-12-14 23:10:12,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2021-12-14 23:10:12,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:12,361 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-14 23:10:12,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:10:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:12,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 23:10:12,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:10:12,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:10:12,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:10:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:10:12,466 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:10:12,466 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:12,476 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 48 transitions. Complement of second has 7 states. [2021-12-14 23:10:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-14 23:10:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:10:12,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-12-14 23:10:12,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 3 letters. [2021-12-14 23:10:12,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:12,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 27 letters. Loop has 3 letters. [2021-12-14 23:10:12,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:12,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 6 letters. [2021-12-14 23:10:12,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:10:12,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2021-12-14 23:10:12,485 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:10:12,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2021-12-14 23:10:12,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:10:12,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:10:12,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:10:12,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:10:12,486 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:12,486 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:12,486 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:10:12,486 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-14 23:10:12,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:10:12,486 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:10:12,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:10:12,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:10:12 BoogieIcfgContainer [2021-12-14 23:10:12,491 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:10:12,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:10:12,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:10:12,492 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:10:12,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:10:02" (3/4) ... [2021-12-14 23:10:12,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:10:12,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:10:12,496 INFO L158 Benchmark]: Toolchain (without parser) took 10798.63ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 96.7MB in the beginning and 121.3MB in the end (delta: -24.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-12-14 23:10:12,496 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 39.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:12,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.88ms. Allocated memory is still 125.8MB. Free memory was 96.7MB in the beginning and 103.3MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:10:12,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.63ms. Allocated memory is still 125.8MB. Free memory was 103.3MB in the beginning and 102.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:10:12,497 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 125.8MB. Free memory was 102.0MB in the beginning and 100.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:12,497 INFO L158 Benchmark]: RCFGBuilder took 275.54ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 90.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 23:10:12,497 INFO L158 Benchmark]: BuchiAutomizer took 10251.81ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 90.5MB in the beginning and 121.3MB in the end (delta: -30.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-14 23:10:12,497 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 182.5MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:10:12,499 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 86.0MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 39.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.88ms. Allocated memory is still 125.8MB. Free memory was 96.7MB in the beginning and 103.3MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.63ms. Allocated memory is still 125.8MB. Free memory was 103.3MB in the beginning and 102.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 125.8MB. Free memory was 102.0MB in the beginning and 100.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.54ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 90.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 10251.81ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 90.5MB in the beginning and 121.3MB in the end (delta: -30.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 182.5MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (5 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. One deterministic module has affine ranking function \old(size) + -1 * \old(startIndex) and consists of 4 locations. One deterministic module has affine ranking function size + -1 * index and consists of 4 locations. One nondeterministic module has affine ranking function size + -1 * index and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.1s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 9.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 211 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 399 IncrementalHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 126 mSDtfsCounter, 399 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital184 mio100 ax100 hnf99 lsp96 ukn80 mio100 lsp55 div100 bol100 ite100 ukn100 eq158 hnf93 smp93 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-14 23:10:12,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:12,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:12,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-14 23:10:13,139 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 Writing output log to file Ultimate.log Result: TRUE