./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/array07_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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-15/array07_alloca.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 94e9a459f78c3121054dddbd02ed369b162f8ff75bebed614a4cadba488d510f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:04:22,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:04:22,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:04:22,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:04:22,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:04:22,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:04:22,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:04:22,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:04:22,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:04:22,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:04:22,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:04:22,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:04:22,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:04:22,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:04:22,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:04:22,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:04:22,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:04:22,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:04:22,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:04:22,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:04:22,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:04:22,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:04:22,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:04:22,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:04:22,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:04:22,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:04:22,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:04:22,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:04:22,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:04:22,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:04:22,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:04:22,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:04:22,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:04:22,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:04:22,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:04:22,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:04:22,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:04:22,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:04:22,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:04:22,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:04:22,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:04:22,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:04:22,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:04:22,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:04:22,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:04:22,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:04:22,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:04:22,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:04:22,554 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:04:22,554 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:04:22,555 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:04:22,555 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:04:22,555 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:04:22,556 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:04:22,556 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:04:22,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:04:22,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:04:22,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:04:22,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:04:22,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:04:22,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:04:22,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:04:22,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:04:22,557 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:04:22,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:04:22,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:04:22,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:04:22,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:04:22,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:04:22,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:04:22,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:04:22,564 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:04:22,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94e9a459f78c3121054dddbd02ed369b162f8ff75bebed614a4cadba488d510f [2021-12-21 22:04:22,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:04:22,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:04:22,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:04:22,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:04:22,771 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:04:22,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/array07_alloca.i [2021-12-21 22:04:22,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07595ba1f/efef261f7b9a4d37b5fd28bc9b812d2a/FLAGa1977c601 [2021-12-21 22:04:23,208 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:04:23,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array07_alloca.i [2021-12-21 22:04:23,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07595ba1f/efef261f7b9a4d37b5fd28bc9b812d2a/FLAGa1977c601 [2021-12-21 22:04:23,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07595ba1f/efef261f7b9a4d37b5fd28bc9b812d2a [2021-12-21 22:04:23,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:04:23,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:04:23,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:04:23,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:04:23,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:04:23,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771604a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23, skipping insertion in model container [2021-12-21 22:04:23,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:04:23,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:04:23,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:04:23,498 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:04:23,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:04:23,547 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:04:23,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23 WrapperNode [2021-12-21 22:04:23,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:04:23,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:04:23,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:04:23,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:04:23,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,578 INFO L137 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-12-21 22:04:23,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:04:23,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:04:23,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:04:23,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:04:23,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:04:23,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:04:23,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:04:23,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:04:23,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (1/1) ... [2021-12-21 22:04:23,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:23,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:23,635 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) [2021-12-21 22:04:23,640 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 [2021-12-21 22:04:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:04:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:04:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 22:04:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 22:04:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:04:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:04:23,710 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:04:23,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:04:23,777 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:04:23,781 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:04:23,781 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 22:04:23,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:04:23 BoogieIcfgContainer [2021-12-21 22:04:23,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:04:23,785 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:04:23,785 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:04:23,788 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:04:23,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:04:23,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:04:23" (1/3) ... [2021-12-21 22:04:23,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46291aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:04:23, skipping insertion in model container [2021-12-21 22:04:23,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:04:23,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:04:23" (2/3) ... [2021-12-21 22:04:23,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46291aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:04:23, skipping insertion in model container [2021-12-21 22:04:23,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:04:23,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:04:23" (3/3) ... [2021-12-21 22:04:23,803 INFO L388 chiAutomizerObserver]: Analyzing ICFG array07_alloca.i [2021-12-21 22:04:23,832 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:04:23,833 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:04:23,833 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:04:23,833 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:04:23,833 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:04:23,833 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:04:23,833 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:04:23,833 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:04:23,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:23,862 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-12-21 22:04:23,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:23,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:23,881 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-21 22:04:23,881 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:04:23,881 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:04:23,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:23,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-12-21 22:04:23,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:23,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:23,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-21 22:04:23,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 22:04:23,888 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 12#L367true assume !(main_~length~0#1 < 1); 9#L367-2true call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 6#L369true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7#L370-3true [2021-12-21 22:04:23,888 INFO L793 eck$LassoCheckResult]: Loop: 7#L370-3true assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 13#L370-2true main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 7#L370-3true [2021-12-21 22:04:23,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:23,898 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-21 22:04:23,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:23,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081741867] [2021-12-21 22:04:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:23,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:23,990 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:24,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:24,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:24,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2021-12-21 22:04:24,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:24,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266424091] [2021-12-21 22:04:24,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:24,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:24,040 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:24,053 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:24,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:24,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2021-12-21 22:04:24,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:24,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812158149] [2021-12-21 22:04:24,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:24,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:24,079 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:24,090 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:24,388 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:04:24,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:04:24,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:04:24,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:04:24,389 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:04:24,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:04:24,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:04:24,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration1_Lasso [2021-12-21 22:04:24,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:04:24,390 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:04:24,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:24,679 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:04:24,682 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:04:24,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:24,687 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) [2021-12-21 22:04:24,688 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 [2021-12-21 22:04:24,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:24,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:24,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:24,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:24,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:24,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:24,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:24,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:24,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:24,741 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 [2021-12-21 22:04:24,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:24,749 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) [2021-12-21 22:04:24,749 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 [2021-12-21 22:04:24,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:24,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:24,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:24,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:24,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:24,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:24,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:24,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:24,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:24,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:24,793 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) [2021-12-21 22:04:24,793 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 [2021-12-21 22:04:24,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:24,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:24,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:24,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:24,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:24,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:24,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:24,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:24,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:24,835 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 [2021-12-21 22:04:24,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:24,836 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) [2021-12-21 22:04:24,837 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 [2021-12-21 22:04:24,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:24,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:24,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:24,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:24,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:24,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:24,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:24,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:24,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:24,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-21 22:04:24,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:24,877 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) [2021-12-21 22:04:24,878 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 [2021-12-21 22:04:24,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:24,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:24,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:24,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:24,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:24,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:24,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:24,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:24,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:24,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:24,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:24,926 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) [2021-12-21 22:04:24,931 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 [2021-12-21 22:04:24,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:24,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:24,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:24,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:24,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:24,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:24,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:24,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:24,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:24,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:24,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:24,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:24,971 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) [2021-12-21 22:04:24,972 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 [2021-12-21 22:04:24,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:24,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:24,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:24,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:24,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:24,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:24,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:24,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:25,010 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 [2021-12-21 22:04:25,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:25,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:25,011 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) [2021-12-21 22:04:25,012 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 [2021-12-21 22:04:25,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:25,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:25,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:25,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:25,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:25,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:25,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:25,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:25,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:25,040 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 [2021-12-21 22:04:25,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:25,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:25,041 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) [2021-12-21 22:04:25,041 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 [2021-12-21 22:04:25,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:25,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:25,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:25,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:25,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:25,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:25,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:25,070 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:04:25,116 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-21 22:04:25,116 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-21 22:04:25,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:25,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:25,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:25,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-21 22:04:25,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:04:25,210 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:04:25,210 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:04:25,211 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~arr~0#1.offset) = 2*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 - 4*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~arr~0#1.offset Supporting invariants [] [2021-12-21 22:04:25,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-21 22:04:25,235 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-21 22:04:25,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:25,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:04:25,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:25,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-21 22:04:25,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:04:25,365 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 [2021-12-21 22:04:25,366 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:25,393 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 40 transitions. Complement of second has 7 states. [2021-12-21 22:04:25,394 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 [2021-12-21 22:04:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-12-21 22:04:25,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-21 22:04:25,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:25,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-21 22:04:25,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:25,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-21 22:04:25,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:25,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2021-12-21 22:04:25,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:25,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2021-12-21 22:04:25,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-21 22:04:25,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-21 22:04:25,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-12-21 22:04:25,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:04:25,406 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-21 22:04:25,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-12-21 22:04:25,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-12-21 22:04:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-12-21 22:04:25,422 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-21 22:04:25,422 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-21 22:04:25,422 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:04:25,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-12-21 22:04:25,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:25,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:25,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:25,423 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:04:25,423 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-21 22:04:25,423 INFO L791 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 107#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 110#L367 assume !(main_~length~0#1 < 1); 104#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 105#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 108#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 109#L370-4 main_~j~0#1 := 0; 103#L374-2 [2021-12-21 22:04:25,423 INFO L793 eck$LassoCheckResult]: Loop: 103#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(main_#t~post210#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 - main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 103#L374-2 [2021-12-21 22:04:25,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:25,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2021-12-21 22:04:25,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:25,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961950382] [2021-12-21 22:04:25,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:25,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:04:25,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:04:25,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961950382] [2021-12-21 22:04:25,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961950382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:04:25,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:04:25,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 22:04:25,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679687819] [2021-12-21 22:04:25,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:04:25,466 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-21 22:04:25,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:25,467 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2021-12-21 22:04:25,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:25,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490564721] [2021-12-21 22:04:25,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:25,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,484 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:25,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:04:25,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 22:04:25,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 22:04:25,521 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:25,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:04:25,535 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-12-21 22:04:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 22:04:25,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-12-21 22:04:25,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:25,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-12-21 22:04:25,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-21 22:04:25,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-21 22:04:25,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-12-21 22:04:25,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:04:25,537 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-12-21 22:04:25,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-12-21 22:04:25,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-12-21 22:04:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-12-21 22:04:25,538 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-21 22:04:25,538 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-21 22:04:25,538 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-21 22:04:25,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-12-21 22:04:25,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:25,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:25,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:25,539 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:04:25,539 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-21 22:04:25,539 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 138#L367 assume !(main_~length~0#1 < 1); 134#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 135#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 136#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 139#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 140#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 137#L370-4 main_~j~0#1 := 0; 131#L374-2 [2021-12-21 22:04:25,539 INFO L793 eck$LassoCheckResult]: Loop: 131#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(main_#t~post210#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 - main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 131#L374-2 [2021-12-21 22:04:25,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:25,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2021-12-21 22:04:25,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:25,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781555337] [2021-12-21 22:04:25,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:25,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,547 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:25,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:25,554 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2021-12-21 22:04:25,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:25,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640992581] [2021-12-21 22:04:25,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:25,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,558 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:25,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2021-12-21 22:04:25,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:25,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178645095] [2021-12-21 22:04:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:25,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,569 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:25,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:25,781 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:04:25,781 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:04:25,781 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:04:25,781 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:04:25,781 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:04:25,781 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:25,781 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:04:25,781 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:04:25,781 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration3_Lasso [2021-12-21 22:04:25,781 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:04:25,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:04:25,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:25,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:25,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:26,153 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:04:26,154 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:04:26,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,157 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) [2021-12-21 22:04:26,159 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 [2021-12-21 22:04:26,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:26,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-21 22:04:26,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,195 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) [2021-12-21 22:04:26,196 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 [2021-12-21 22:04:26,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:26,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,243 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 [2021-12-21 22:04:26,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,245 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) [2021-12-21 22:04:26,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,259 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 [2021-12-21 22:04:26,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:26,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:26,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,297 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 [2021-12-21 22:04:26,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,298 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) [2021-12-21 22:04:26,299 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 [2021-12-21 22:04:26,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:26,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,343 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 [2021-12-21 22:04:26,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,344 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) [2021-12-21 22:04:26,345 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 [2021-12-21 22:04:26,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:26,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:26,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,385 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 [2021-12-21 22:04:26,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,400 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) [2021-12-21 22:04:26,401 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 [2021-12-21 22:04:26,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:26,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:26,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,447 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 [2021-12-21 22:04:26,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,448 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) [2021-12-21 22:04:26,448 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 [2021-12-21 22:04:26,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:26,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:26,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:26,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,504 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) [2021-12-21 22:04:26,505 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 [2021-12-21 22:04:26,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:26,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:26,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,540 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 [2021-12-21 22:04:26,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,541 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) [2021-12-21 22:04:26,541 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 [2021-12-21 22:04:26,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:26,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-21 22:04:26,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,570 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) [2021-12-21 22:04:26,570 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 [2021-12-21 22:04:26,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:26,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,604 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 [2021-12-21 22:04:26,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,606 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) [2021-12-21 22:04:26,606 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 [2021-12-21 22:04:26,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:26,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-21 22:04:26,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,635 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) [2021-12-21 22:04:26,636 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 [2021-12-21 22:04:26,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:26,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:26,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:26,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,667 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 [2021-12-21 22:04:26,668 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-21 22:04:26,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,668 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) [2021-12-21 22:04:26,669 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 [2021-12-21 22:04:26,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,677 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:26,678 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:26,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,703 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 [2021-12-21 22:04:26,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,705 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) [2021-12-21 22:04:26,705 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 [2021-12-21 22:04:26,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,713 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:26,714 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:26,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-21 22:04:26,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,745 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) [2021-12-21 22:04:26,746 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 [2021-12-21 22:04:26,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,754 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:26,756 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:26,756 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:26,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,793 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 [2021-12-21 22:04:26,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,794 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) [2021-12-21 22:04:26,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:26,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,804 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:26,804 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 [2021-12-21 22:04:26,804 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:26,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:26,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,837 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 [2021-12-21 22:04:26,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,838 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) [2021-12-21 22:04:26,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,848 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:26,851 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:26,851 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:26,851 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 [2021-12-21 22:04:26,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,888 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 [2021-12-21 22:04:26,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,889 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) [2021-12-21 22:04:26,896 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 [2021-12-21 22:04:26,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,904 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:26,907 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:26,907 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:26,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:26,940 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 [2021-12-21 22:04:26,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:26,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:26,942 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) [2021-12-21 22:04:26,943 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 [2021-12-21 22:04:26,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:26,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:26,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:26,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:26,951 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:26,967 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:26,968 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:27,003 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:04:27,057 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2021-12-21 22:04:27,057 INFO L444 ModelExtractionUtils]: 13 out of 51 variables were initially zero. Simplification set additionally 31 variables to zero. [2021-12-21 22:04:27,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:27,059 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) [2021-12-21 22:04:27,060 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 [2021-12-21 22:04:27,061 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:04:27,086 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2021-12-21 22:04:27,087 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:04:27,087 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 8*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ (* ULTIMATE.start_main_~i~0#1 4) ULTIMATE.start_main_~arr~0#1.offset (- 4)))_1 + 4 f1 = -8*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc206#1.base)_2 Supporting invariants [1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~length~0#1 >= 0] [2021-12-21 22:04:27,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-21 22:04:27,121 INFO L297 tatePredicateManager]: 2 out of 5 supporting invariants were superfluous and have been removed [2021-12-21 22:04:27,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:27,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:04:27,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:27,291 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-21 22:04:27,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:04:27,292 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 1 loop predicates [2021-12-21 22:04:27,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:27,384 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 21 transitions. Complement of second has 9 states. [2021-12-21 22:04:27,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 6 stem states 0 non-accepting loop states 2 accepting loop states [2021-12-21 22:04:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2021-12-21 22:04:27,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 9 letters. Loop has 1 letters. [2021-12-21 22:04:27,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:27,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 10 letters. Loop has 1 letters. [2021-12-21 22:04:27,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:27,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-21 22:04:27,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:27,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-12-21 22:04:27,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:27,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 17 transitions. [2021-12-21 22:04:27,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-21 22:04:27,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-21 22:04:27,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2021-12-21 22:04:27,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:04:27,386 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-12-21 22:04:27,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2021-12-21 22:04:27,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2021-12-21 22:04:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-12-21 22:04:27,387 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-12-21 22:04:27,387 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-12-21 22:04:27,387 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-21 22:04:27,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2021-12-21 22:04:27,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:27,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:27,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:27,388 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:04:27,388 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-21 22:04:27,388 INFO L791 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 256#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 261#L367 assume !(main_~length~0#1 < 1); 257#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 258#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 259#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 262#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 263#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 264#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 265#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 260#L370-4 main_~j~0#1 := 0; 254#L374-2 [2021-12-21 22:04:27,388 INFO L793 eck$LassoCheckResult]: Loop: 254#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(main_#t~post210#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 - main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 254#L374-2 [2021-12-21 22:04:27,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:27,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1332965227, now seen corresponding path program 2 times [2021-12-21 22:04:27,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:27,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626411735] [2021-12-21 22:04:27,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:27,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:27,397 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:27,416 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:27,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:27,416 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 3 times [2021-12-21 22:04:27,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:27,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703921595] [2021-12-21 22:04:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:27,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:27,420 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:27,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:27,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:27,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1627750960, now seen corresponding path program 2 times [2021-12-21 22:04:27,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:27,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950230826] [2021-12-21 22:04:27,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:27,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:27,434 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:27,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:27,612 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:04:27,612 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:04:27,612 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:04:27,612 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:04:27,612 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:04:27,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:27,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:04:27,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:04:27,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration4_Lasso [2021-12-21 22:04:27,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:04:27,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:04:27,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,668 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 [2021-12-21 22:04:27,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:27,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:04:27,951 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:04:27,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:27,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:27,956 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) [2021-12-21 22:04:27,957 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 [2021-12-21 22:04:27,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:27,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:27,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:27,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:27,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:27,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:27,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:27,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:27,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-21 22:04:28,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,013 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) [2021-12-21 22:04:28,014 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 [2021-12-21 22:04:28,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:28,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-21 22:04:28,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,052 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) [2021-12-21 22:04:28,053 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 [2021-12-21 22:04:28,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:28,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:28,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,078 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) [2021-12-21 22:04:28,079 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 [2021-12-21 22:04:28,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:28,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:28,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,105 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) [2021-12-21 22:04:28,105 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 [2021-12-21 22:04:28,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,155 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 [2021-12-21 22:04:28,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,157 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) [2021-12-21 22:04:28,158 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 [2021-12-21 22:04:28,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-21 22:04:28,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,186 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) [2021-12-21 22:04:28,187 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 [2021-12-21 22:04:28,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-21 22:04:28,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,236 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) [2021-12-21 22:04:28,237 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 [2021-12-21 22:04:28,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:28,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,272 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) [2021-12-21 22:04:28,272 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 [2021-12-21 22:04:28,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:28,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,304 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) [2021-12-21 22:04:28,305 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 [2021-12-21 22:04:28,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,353 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 [2021-12-21 22:04:28,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,354 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) [2021-12-21 22:04:28,363 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 [2021-12-21 22:04:28,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:28,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,419 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) [2021-12-21 22:04:28,421 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 [2021-12-21 22:04:28,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:28,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-21 22:04:28,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,445 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) [2021-12-21 22:04:28,446 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 [2021-12-21 22:04:28,447 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 [2021-12-21 22:04:28,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:28,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,470 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 [2021-12-21 22:04:28,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,471 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) [2021-12-21 22:04:28,472 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 [2021-12-21 22:04:28,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:28,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:28,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:28,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,501 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 [2021-12-21 22:04:28,501 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-21 22:04:28,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,502 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) [2021-12-21 22:04:28,502 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 [2021-12-21 22:04:28,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,510 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,511 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:28,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-21 22:04:28,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,543 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:28,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-21 22:04:28,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,553 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,553 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:28,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:28,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,581 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:28,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-21 22:04:28,583 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 [2021-12-21 22:04:28,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,590 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,591 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:28,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-21 22:04:28,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,608 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) [2021-12-21 22:04:28,609 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 [2021-12-21 22:04:28,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:28,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,617 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,617 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:28,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:28,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-21 22:04:28,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,634 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) [2021-12-21 22:04:28,635 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 [2021-12-21 22:04:28,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,643 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,644 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:28,644 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:28,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-21 22:04:28,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,684 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) [2021-12-21 22:04:28,684 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 [2021-12-21 22:04:28,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,732 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,734 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:28,734 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:28,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-21 22:04:28,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,760 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) [2021-12-21 22:04:28,760 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 [2021-12-21 22:04:28,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,769 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,770 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:28,770 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:28,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-21 22:04:28,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,799 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) [2021-12-21 22:04:28,800 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 [2021-12-21 22:04:28,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,809 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,810 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:28,811 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:28,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-21 22:04:28,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,857 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) [2021-12-21 22:04:28,857 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 [2021-12-21 22:04:28,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,871 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,874 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:28,874 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:28,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:28,897 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 [2021-12-21 22:04:28,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,898 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) [2021-12-21 22:04:28,898 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 [2021-12-21 22:04:28,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:28,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:28,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:28,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:28,911 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:28,929 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:28,929 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:28,946 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:04:28,981 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-21 22:04:28,981 INFO L444 ModelExtractionUtils]: 8 out of 46 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-12-21 22:04:28,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:28,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:28,982 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) [2021-12-21 22:04:28,982 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 [2021-12-21 22:04:28,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:04:29,000 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2021-12-21 22:04:29,000 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:04:29,000 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2 + 1*ULTIMATE.start_main_~i~0#1 f1 = -2*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2021-12-21 22:04:29,017 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 [2021-12-21 22:04:29,032 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2021-12-21 22:04:29,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:29,079 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 [2021-12-21 22:04:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:29,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:04:29,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:29,155 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 22:04:29,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:04:29,157 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2021-12-21 22:04:29,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:29,231 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 23 transitions. Complement of second has 7 states. [2021-12-21 22:04:29,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 0 non-accepting loop states 2 accepting loop states [2021-12-21 22:04:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-12-21 22:04:29,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 11 letters. Loop has 1 letters. [2021-12-21 22:04:29,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:29,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 12 letters. Loop has 1 letters. [2021-12-21 22:04:29,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:29,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-21 22:04:29,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:29,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-12-21 22:04:29,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:29,240 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 19 transitions. [2021-12-21 22:04:29,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-21 22:04:29,240 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-21 22:04:29,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2021-12-21 22:04:29,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:04:29,240 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-21 22:04:29,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2021-12-21 22:04:29,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2021-12-21 22:04:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-12-21 22:04:29,243 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-21 22:04:29,243 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-12-21 22:04:29,243 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-21 22:04:29,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2021-12-21 22:04:29,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-21 22:04:29,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:04:29,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:04:29,244 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:04:29,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-21 22:04:29,245 INFO L791 eck$LassoCheckResult]: Stem: 385#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 386#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 391#L367 assume !(main_~length~0#1 < 1); 387#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 388#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 389#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 392#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 395#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 397#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 393#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 394#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 396#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 390#L370-4 main_~j~0#1 := 0; 384#L374-2 [2021-12-21 22:04:29,245 INFO L793 eck$LassoCheckResult]: Loop: 384#L374-2 assume !!(0 <= main_~j~0#1 && main_~j~0#1 < main_~length~0#1);call main_#t~mem209#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_#t~post210#1 := main_#t~mem209#1;call write~int(main_#t~post210#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset, 4);main_~j~0#1 := main_~j~0#1 - main_#t~post210#1;havoc main_#t~mem209#1;havoc main_#t~post210#1; 384#L374-2 [2021-12-21 22:04:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:29,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1079272553, now seen corresponding path program 3 times [2021-12-21 22:04:29,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:29,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223214548] [2021-12-21 22:04:29,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:29,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:29,260 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:29,267 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:29,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 4 times [2021-12-21 22:04:29,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:29,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105351939] [2021-12-21 22:04:29,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:29,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:29,276 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:29,278 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:29,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:29,279 INFO L85 PathProgramCache]: Analyzing trace with hash 902289262, now seen corresponding path program 3 times [2021-12-21 22:04:29,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:04:29,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635168924] [2021-12-21 22:04:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:04:29,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:04:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:29,296 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:04:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:04:29,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:04:29,553 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:04:29,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:04:29,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:04:29,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:04:29,553 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:04:29,553 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:29,553 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:04:29,553 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:04:29,553 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration5_Lasso [2021-12-21 22:04:29,553 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:04:29,553 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:04:29,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:04:29,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:04:29,834 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:04:29,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:29,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:29,835 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) [2021-12-21 22:04:29,836 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 [2021-12-21 22:04:29,837 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 [2021-12-21 22:04:29,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:29,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:29,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:29,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:29,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:29,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:29,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:29,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:29,864 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 [2021-12-21 22:04:29,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:29,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:29,865 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) [2021-12-21 22:04:29,866 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 [2021-12-21 22:04:29,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:29,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:29,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:29,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:29,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:29,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:29,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:29,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:29,901 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 [2021-12-21 22:04:29,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:29,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:29,902 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) [2021-12-21 22:04:29,903 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 [2021-12-21 22:04:29,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:29,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:29,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:29,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:29,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:29,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:29,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:29,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:29,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-21 22:04:29,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:29,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:29,936 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) [2021-12-21 22:04:29,936 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 [2021-12-21 22:04:29,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:29,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:29,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:29,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:29,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:29,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:29,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:29,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:29,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:29,971 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 [2021-12-21 22:04:29,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:29,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:29,972 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) [2021-12-21 22:04:29,973 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 [2021-12-21 22:04:29,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:29,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:29,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:29,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:29,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:29,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:29,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:29,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:29,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:29,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-21 22:04:29,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:29,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:29,999 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) [2021-12-21 22:04:30,000 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 [2021-12-21 22:04:30,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:30,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:30,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,028 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 [2021-12-21 22:04:30,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,029 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) [2021-12-21 22:04:30,030 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 [2021-12-21 22:04:30,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:30,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:30,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-21 22:04:30,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,065 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) [2021-12-21 22:04:30,065 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 [2021-12-21 22:04:30,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:30,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:30,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-21 22:04:30,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,101 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) [2021-12-21 22:04:30,101 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 [2021-12-21 22:04:30,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:30,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:30,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-21 22:04:30,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,130 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) [2021-12-21 22:04:30,132 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 [2021-12-21 22:04:30,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:30,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:30,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-21 22:04:30,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,167 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) [2021-12-21 22:04:30,168 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 [2021-12-21 22:04:30,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:04:30,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:04:30,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-21 22:04:30,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,199 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) [2021-12-21 22:04:30,200 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 [2021-12-21 22:04:30,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:30,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:30,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:30,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-21 22:04:30,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,225 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-21 22:04:30,227 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 [2021-12-21 22:04:30,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:30,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:30,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:30,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:30,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,252 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-21 22:04:30,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:30,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:04:30,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:04:30,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:30,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-21 22:04:30,277 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-21 22:04:30,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,278 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-21 22:04:30,280 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 [2021-12-21 22:04:30,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:30,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,286 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,286 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:30,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:30,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-21 22:04:30,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,308 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-21 22:04:30,311 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 [2021-12-21 22:04:30,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,319 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,320 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:30,321 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:30,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-21 22:04:30,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,341 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-21 22:04:30,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,351 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,352 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:30,352 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:30,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-21 22:04:30,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,377 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-21 22:04:30,379 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 [2021-12-21 22:04:30,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:30,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,386 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,386 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:30,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:30,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:30,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,404 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-21 22:04:30,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:04:30,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,412 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,412 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-21 22:04:30,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:04:30,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:30,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,433 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-21 22:04:30,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,442 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,443 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:30,443 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:30,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:30,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,463 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-21 22:04:30,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,472 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,474 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:30,474 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:30,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:04:30,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:30,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,509 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-21 22:04:30,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:04:30,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:04:30,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:04:30,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:04:30,519 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-21 22:04:30,529 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-21 22:04:30,529 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-21 22:04:30,541 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:04:30,560 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-21 22:04:30,560 INFO L444 ModelExtractionUtils]: 22 out of 46 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-21 22:04:30,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:04:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:04:30,561 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:04:30,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-21 22:04:30,563 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:04:30,570 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2021-12-21 22:04:30,570 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:04:30,570 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_3 + 1 f1 = 2*ULTIMATE.start_main_~length~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-12-21 22:04:30,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:30,601 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-21 22:04:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:04:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:30,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:04:30,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:04:30,655 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:04:30,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:04:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:04:30,656 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-21 22:04:30,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:30,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 17 transitions. Complement of second has 2 states. [2021-12-21 22:04:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-21 22:04:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:04:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2021-12-21 22:04:30,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 13 letters. Loop has 1 letters. [2021-12-21 22:04:30,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:30,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 14 letters. Loop has 1 letters. [2021-12-21 22:04:30,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:30,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 13 letters. Loop has 2 letters. [2021-12-21 22:04:30,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:04:30,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-12-21 22:04:30,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:04:30,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-12-21 22:04:30,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-21 22:04:30,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-21 22:04:30,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-21 22:04:30,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:04:30,662 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:04:30,662 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:04:30,662 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:04:30,662 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-21 22:04:30,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-21 22:04:30,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:04:30,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 22:04:30,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:04:30 BoogieIcfgContainer [2021-12-21 22:04:30,667 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:04:30,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:04:30,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:04:30,667 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:04:30,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:04:23" (3/4) ... [2021-12-21 22:04:30,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 22:04:30,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:04:30,670 INFO L158 Benchmark]: Toolchain (without parser) took 7437.49ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 69.1MB in the beginning and 94.8MB in the end (delta: -25.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-12-21 22:04:30,670 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:04:30,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.55ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 66.1MB in the end (delta: 2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 22:04:30,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.94ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:04:30,670 INFO L158 Benchmark]: Boogie Preprocessor took 23.08ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 63.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:04:30,670 INFO L158 Benchmark]: RCFGBuilder took 182.18ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 53.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:04:30,671 INFO L158 Benchmark]: BuchiAutomizer took 6881.34ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 53.5MB in the beginning and 94.8MB in the end (delta: -41.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-12-21 22:04:30,671 INFO L158 Benchmark]: Witness Printer took 2.33ms. Allocated memory is still 155.2MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:04:30,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.55ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 66.1MB in the end (delta: 2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.94ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 64.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.08ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 63.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 182.18ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 53.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6881.34ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 53.5MB in the beginning and 94.8MB in the end (delta: -41.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 2.33ms. Allocated memory is still 155.2MB. Free memory is still 94.8MB. 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 5 terminating modules (1 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#length-unknown[arr] + -4 * i + -1 * arr and consists of 5 locations. One deterministic module has 2-nested ranking function (if 8 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + 4 > 0 then 1 else 0), (if 8 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + 4 > 0 then 8 * unknown-#memory_int-unknown[arr][i * 4 + arr + -4] + 4 else unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -8 * j) and consists of 8 locations. One deterministic module has 2-nested ranking function (if 2 * unknown-#memory_int-unknown[arr][arr] + i > 0 then 1 else 0), (if 2 * unknown-#memory_int-unknown[arr][arr] + i > 0 then 2 * unknown-#memory_int-unknown[arr][arr] + i else -2 * j + 2 * length) and consists of 6 locations. One deterministic module has 2-nested ranking function (if 2 * unknown-#memory_int-unknown[arr][arr] + 1 > 0 then 1 else 0), (if 2 * unknown-#memory_int-unknown[arr][arr] + 1 > 0 then 2 * unknown-#memory_int-unknown[arr][arr] + 1 else -2 * j + 2 * length) and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 6.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 42 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital124 mio100 ax100 hnf100 lsp94 ukn85 mio100 lsp65 div100 bol100 ite100 ukn100 eq175 hnf91 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 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! [2021-12-21 22:04:30,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-21 22:04:30,904 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