./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/array07_alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-03d7b7b [2022-02-21 03:34:15,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:34:15,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:34:15,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:34:15,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:34:15,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:34:15,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:34:15,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:34:15,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:34:15,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:34:15,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:34:15,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:34:15,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:34:15,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:34:15,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:34:15,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:34:15,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:34:15,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:34:15,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:34:15,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:34:15,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:34:15,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:34:15,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:34:15,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:34:15,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:34:15,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:34:15,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:34:15,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:34:15,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:34:15,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:34:15,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:34:15,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:34:15,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:34:15,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:34:15,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:34:15,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:34:15,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:34:15,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:34:15,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:34:15,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:34:15,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:34:15,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:34:15,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:34:15,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:34:15,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:34:15,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:34:15,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:34:15,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:34:15,539 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:34:15,539 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:34:15,539 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:34:15,539 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:34:15,540 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:34:15,540 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:34:15,541 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:34:15,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:34:15,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:34:15,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:34:15,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:34:15,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:34:15,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:34:15,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:34:15,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:34:15,542 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:34:15,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:34:15,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:34:15,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:34:15,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:34:15,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:34:15,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:34:15,544 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:34:15,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94e9a459f78c3121054dddbd02ed369b162f8ff75bebed614a4cadba488d510f [2022-02-21 03:34:15,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:34:15,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:34:15,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:34:15,806 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:34:15,806 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:34:15,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/array07_alloca.i [2022-02-21 03:34:15,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978e1d89b/4fc8269b4566407eb68cbe1c5caafa13/FLAG3a07b2b2d [2022-02-21 03:34:16,318 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:34:16,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array07_alloca.i [2022-02-21 03:34:16,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978e1d89b/4fc8269b4566407eb68cbe1c5caafa13/FLAG3a07b2b2d [2022-02-21 03:34:16,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978e1d89b/4fc8269b4566407eb68cbe1c5caafa13 [2022-02-21 03:34:16,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:34:16,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:34:16,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:34:16,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:34:16,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:34:16,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dee6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16, skipping insertion in model container [2022-02-21 03:34:16,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:34:16,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:34:16,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:34:16,687 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:34:16,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:34:16,756 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:34:16,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16 WrapperNode [2022-02-21 03:34:16,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:34:16,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:34:16,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:34:16,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:34:16,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,801 INFO L137 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-02-21 03:34:16,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:34:16,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:34:16,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:34:16,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:34:16,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:34:16,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:34:16,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:34:16,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:34:16,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (1/1) ... [2022-02-21 03:34:16,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:16,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:16,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 03:34:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:34:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:34:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:34:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:34:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:34:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:34:17,055 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:34:17,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:34:17,290 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:34:17,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:34:17,295 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 03:34:17,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:34:17 BoogieIcfgContainer [2022-02-21 03:34:17,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:34:17,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:34:17,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:34:17,301 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:34:17,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:34:17,303 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:34:16" (1/3) ... [2022-02-21 03:34:17,303 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f38a082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:34:17, skipping insertion in model container [2022-02-21 03:34:17,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:34:17,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:34:16" (2/3) ... [2022-02-21 03:34:17,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f38a082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:34:17, skipping insertion in model container [2022-02-21 03:34:17,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:34:17,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:34:17" (3/3) ... [2022-02-21 03:34:17,305 INFO L388 chiAutomizerObserver]: Analyzing ICFG array07_alloca.i [2022-02-21 03:34:17,350 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:34:17,351 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:34:17,351 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:34:17,351 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:34:17,351 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:34:17,351 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:34:17,351 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:34:17,351 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:34:17,363 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) [2022-02-21 03:34:17,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:34:17,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:17,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:17,386 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-02-21 03:34:17,387 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:34:17,387 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:34:17,388 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) [2022-02-21 03:34:17,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:34:17,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:17,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:17,394 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-02-21 03:34:17,394 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:34:17,400 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 [2022-02-21 03:34:17,401 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 [2022-02-21 03:34:17,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:17,407 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-02-21 03:34:17,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:17,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039238955] [2022-02-21 03:34:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:17,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:17,506 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:17,540 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:17,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2022-02-21 03:34:17,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:17,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126984572] [2022-02-21 03:34:17,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:17,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:17,566 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:17,579 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:17,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2022-02-21 03:34:17,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:17,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509752243] [2022-02-21 03:34:17,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:17,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:17,610 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:17,623 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:17,893 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:34:17,894 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:34:17,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:34:17,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:34:17,895 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:34:17,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:17,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:34:17,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:34:17,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration1_Lasso [2022-02-21 03:34:17,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:34:17,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:34:17,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:17,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:18,314 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:34:18,317 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:34:18,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-02-21 03:34:18,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:18,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:18,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:18,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,366 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 [2022-02-21 03:34:18,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-02-21 03:34:18,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:18,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:18,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:18,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-02-21 03:34:18,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:18,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:18,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:18,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,453 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 [2022-02-21 03:34:18,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,455 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-02-21 03:34:18,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:18,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:18,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:18,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,493 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 [2022-02-21 03:34:18,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-02-21 03:34:18,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:18,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:18,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:18,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,533 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 [2022-02-21 03:34:18,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,534 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-02-21 03:34:18,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:18,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:18,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:18,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-02-21 03:34:18,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-02-21 03:34:18,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:18,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:18,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-02-21 03:34:18,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-02-21 03:34:18,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:18,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:18,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:18,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:18,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:18,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,681 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-02-21 03:34:18,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:18,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:18,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:18,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:18,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:18,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:18,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:18,712 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:34:18,729 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-02-21 03:34:18,729 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-02-21 03:34:18,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:18,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:18,744 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:18,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:34:18,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-02-21 03:34:18,787 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:34:18,788 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:34:18,788 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~arr~0#1.offset, 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 + 2*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 Supporting invariants [] [2022-02-21 03:34:18,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:18,850 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-02-21 03:34:18,856 INFO L390 LassoCheck]: Loop: "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;" "main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1;" [2022-02-21 03:34:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:18,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:18,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:34:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:18,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:18,936 INFO L290 TraceCheckUtils]: 0: Hoare triple {23#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {23#unseeded} is VALID [2022-02-21 03:34:18,937 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#unseeded} 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; {23#unseeded} is VALID [2022-02-21 03:34:18,937 INFO L290 TraceCheckUtils]: 2: Hoare triple {23#unseeded} assume !(main_~length~0#1 < 1); {23#unseeded} is VALID [2022-02-21 03:34:18,937 INFO L290 TraceCheckUtils]: 3: Hoare triple {23#unseeded} 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; {23#unseeded} is VALID [2022-02-21 03:34:18,938 INFO L290 TraceCheckUtils]: 4: Hoare triple {23#unseeded} assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; {23#unseeded} is VALID [2022-02-21 03:34:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:18,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-21 03:34:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:18,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:18,977 INFO L290 TraceCheckUtils]: 0: Hoare triple {26#(>= oldRank0 (+ (* 2 (select |#length| |ULTIMATE.start_main_~arr~0#1.base|)) (* (- 4) |ULTIMATE.start_main_~i~0#1|) (* (- 1) |ULTIMATE.start_main_~arr~0#1.offset|)))} 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; {68#(and (<= (+ |ULTIMATE.start_main_~arr~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4) 4) (select |#length| |ULTIMATE.start_main_~arr~0#1.base|)) (>= oldRank0 (+ (* 2 (select |#length| |ULTIMATE.start_main_~arr~0#1.base|)) (* |ULTIMATE.start_main_~i~0#1| (- 4)) (* (- 1) |ULTIMATE.start_main_~arr~0#1.offset|))) (<= 0 (+ |ULTIMATE.start_main_~arr~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))))} is VALID [2022-02-21 03:34:18,978 INFO L290 TraceCheckUtils]: 1: Hoare triple {68#(and (<= (+ |ULTIMATE.start_main_~arr~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4) 4) (select |#length| |ULTIMATE.start_main_~arr~0#1.base|)) (>= oldRank0 (+ (* 2 (select |#length| |ULTIMATE.start_main_~arr~0#1.base|)) (* |ULTIMATE.start_main_~i~0#1| (- 4)) (* (- 1) |ULTIMATE.start_main_~arr~0#1.offset|))) (<= 0 (+ |ULTIMATE.start_main_~arr~0#1.offset| (* |ULTIMATE.start_main_~i~0#1| 4))))} main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; {51#(or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (* 2 (select |#length| |ULTIMATE.start_main_~arr~0#1.base|)) (* (- 4) |ULTIMATE.start_main_~i~0#1|) (* (- 1) |ULTIMATE.start_main_~arr~0#1.offset|)))))} is VALID [2022-02-21 03:34:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:34:19,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:34:19,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:34:19,017 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,022 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 [2022-02-21 03:34:19,024 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) [2022-02-21 03:34:19,097 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. [2022-02-21 03:34:19,098 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 [2022-02-21 03:34:19,098 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:19,098 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) [2022-02-21 03:34:19,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:34:19,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:19,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:19,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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) [2022-02-21 03:34:19,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:34:19,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:19,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:19,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 40 transitions. [2022-02-21 03:34:19,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:19,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:19,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:19,107 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:34:19,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:34:19,109 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2022-02-21 03:34:19,109 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:34:19,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:34:19,112 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:34:19,112 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 30 states and 40 transitions. cyclomatic complexity: 14 [2022-02-21 03:34:19,112 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:19,113 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,113 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,114 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:19,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,114 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:19,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:19,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,115 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,115 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,116 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 30 letters. Loop has 30 letters. [2022-02-21 03:34:19,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,117 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 30 letters. Loop has 30 letters. [2022-02-21 03:34:19,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 30 letters. Loop has 30 letters. [2022-02-21 03:34:19,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,117 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:34:19,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,118 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:34:19,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:34:19,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,119 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:34:19,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,119 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:34:19,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:34:19,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,120 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,120 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,121 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,121 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,122 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:19,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,123 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:19,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:34:19,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,123 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:34:19,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,124 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:34:19,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:34:19,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,124 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:19,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,125 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:19,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:34:19,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,126 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,126 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 40 transitions. cyclomatic complexity: 14 Stem has 7 letters. Loop has 1 letters. [2022-02-21 03:34:19,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,127 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:19,131 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) [2022-02-21 03:34:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2022-02-21 03:34:19,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:34:19,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2022-02-21 03:34:19,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:34:19,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:19,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. cyclomatic complexity: 14 [2022-02-21 03:34:19,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:19,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2022-02-21 03:34:19,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-02-21 03:34:19,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-02-21 03:34:19,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-02-21 03:34:19,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:34:19,142 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-02-21 03:34:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-02-21 03:34:19,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-02-21 03:34:19,162 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:34:19,163 INFO L82 GeneralOperation]: Start isEquivalent. First operand 10 states and 13 transitions. Second 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) [2022-02-21 03:34:19,163 INFO L74 IsIncluded]: Start isIncluded. First operand 10 states and 13 transitions. Second 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) [2022-02-21 03:34:19,165 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second 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) [2022-02-21 03:34:19,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:19,169 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2022-02-21 03:34:19,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-02-21 03:34:19,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:19,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:19,170 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 10 states and 13 transitions. [2022-02-21 03:34:19,170 INFO L87 Difference]: Start difference. First 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) Second operand 10 states and 13 transitions. [2022-02-21 03:34:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:19,171 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2022-02-21 03:34:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-02-21 03:34:19,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:19,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:19,171 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:34:19,171 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:34:19,171 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) [2022-02-21 03:34:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-02-21 03:34:19,173 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-02-21 03:34:19,173 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-02-21 03:34:19,173 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:34:19,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-02-21 03:34:19,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:19,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:19,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:19,174 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 03:34:19,174 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:34:19,174 INFO L791 eck$LassoCheckResult]: Stem: 113#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 114#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; 119#L367 assume !(main_~length~0#1 < 1); 115#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; 116#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 117#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 118#L370-4 main_~j~0#1 := 0; 112#L374-2 [2022-02-21 03:34:19,174 INFO L793 eck$LassoCheckResult]: Loop: 112#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; 112#L374-2 [2022-02-21 03:34:19,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:19,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2022-02-21 03:34:19,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:19,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106486903] [2022-02-21 03:34:19,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:19,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:19,223 INFO L290 TraceCheckUtils]: 0: Hoare triple {145#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {145#true} is VALID [2022-02-21 03:34:19,224 INFO L290 TraceCheckUtils]: 1: Hoare triple {145#true} 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; {145#true} is VALID [2022-02-21 03:34:19,224 INFO L290 TraceCheckUtils]: 2: Hoare triple {145#true} assume !(main_~length~0#1 < 1); {147#(<= 1 |ULTIMATE.start_main_~length~0#1|)} is VALID [2022-02-21 03:34:19,225 INFO L290 TraceCheckUtils]: 3: Hoare triple {147#(<= 1 |ULTIMATE.start_main_~length~0#1|)} 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; {147#(<= 1 |ULTIMATE.start_main_~length~0#1|)} is VALID [2022-02-21 03:34:19,225 INFO L290 TraceCheckUtils]: 4: Hoare triple {147#(<= 1 |ULTIMATE.start_main_~length~0#1|)} assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; {148#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~length~0#1|))} is VALID [2022-02-21 03:34:19,226 INFO L290 TraceCheckUtils]: 5: Hoare triple {148#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~length~0#1|))} assume !(main_~i~0#1 < main_~length~0#1); {146#false} is VALID [2022-02-21 03:34:19,226 INFO L290 TraceCheckUtils]: 6: Hoare triple {146#false} main_~j~0#1 := 0; {146#false} is VALID [2022-02-21 03:34:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:34:19,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 03:34:19,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106486903] [2022-02-21 03:34:19,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106486903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 03:34:19,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 03:34:19,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 03:34:19,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221876446] [2022-02-21 03:34:19,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 03:34:19,231 INFO L796 eck$LassoCheckResult]: stem already infeasible [2022-02-21 03:34:19,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:19,231 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2022-02-21 03:34:19,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:19,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090846005] [2022-02-21 03:34:19,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:19,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,239 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,244 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:19,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 03:34:19,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-21 03:34:19,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-21 03:34:19,296 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) [2022-02-21 03:34:19,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:19,327 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2022-02-21 03:34:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-21 03:34:19,328 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:34:19,333 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:34:19,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2022-02-21 03:34:19,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:19,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2022-02-21 03:34:19,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-02-21 03:34:19,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-02-21 03:34:19,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-02-21 03:34:19,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:34:19,337 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-02-21 03:34:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-02-21 03:34:19,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-02-21 03:34:19,337 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:34:19,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11 states and 13 transitions. Second 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) [2022-02-21 03:34:19,338 INFO L74 IsIncluded]: Start isIncluded. First operand 11 states and 13 transitions. Second 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) [2022-02-21 03:34:19,338 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second 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) [2022-02-21 03:34:19,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:19,339 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2022-02-21 03:34:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-02-21 03:34:19,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:19,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:19,339 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 11 states and 13 transitions. [2022-02-21 03:34:19,340 INFO L87 Difference]: Start difference. First 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) Second operand 11 states and 13 transitions. [2022-02-21 03:34:19,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:19,340 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2022-02-21 03:34:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-02-21 03:34:19,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:19,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:19,341 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:34:19,341 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:34:19,341 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) [2022-02-21 03:34:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-02-21 03:34:19,342 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-02-21 03:34:19,342 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-02-21 03:34:19,342 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 03:34:19,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2022-02-21 03:34:19,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:19,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:19,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:19,343 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 03:34:19,343 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:34:19,344 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 169#L367 assume !(main_~length~0#1 < 1); 165#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 166#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 167#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 170#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 171#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 168#L370-4 main_~j~0#1 := 0; 162#L374-2 [2022-02-21 03:34:19,344 INFO L793 eck$LassoCheckResult]: Loop: 162#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; 162#L374-2 [2022-02-21 03:34:19,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:19,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2022-02-21 03:34:19,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:19,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770786196] [2022-02-21 03:34:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,386 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:19,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:19,395 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2022-02-21 03:34:19,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:19,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027450510] [2022-02-21 03:34:19,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:19,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,420 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2022-02-21 03:34:19,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:19,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169494113] [2022-02-21 03:34:19,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:19,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,454 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:19,474 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:19,681 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:34:19,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:34:19,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:34:19,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:34:19,682 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:34:19,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:19,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:34:19,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:34:19,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration3_Lasso [2022-02-21 03:34:19,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:34:19,683 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:34:19,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,864 WARN L259 bleTransFormulaUtils]: 1 quantified variables [2022-02-21 03:34:19,865 WARN L259 bleTransFormulaUtils]: 1 quantified variables [2022-02-21 03:34:19,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:19,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:20,152 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:34:20,152 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:34:20,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,168 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-02-21 03:34:20,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:20,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,212 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:20,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-02-21 03:34:20,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,261 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-02-21 03:34:20,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:20,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:20,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,307 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 [2022-02-21 03:34:20,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,309 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-02-21 03:34:20,311 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 [2022-02-21 03:34:20,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:20,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,363 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-02-21 03:34:20,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:20,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:20,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,415 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-02-21 03:34:20,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:20,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:20,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,471 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-02-21 03:34:20,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:20,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:20,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,548 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-02-21 03:34:20,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:20,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:20,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,592 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 [2022-02-21 03:34:20,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,593 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-02-21 03:34:20,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:20,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,619 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 [2022-02-21 03:34:20,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,620 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-02-21 03:34:20,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:20,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,653 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 [2022-02-21 03:34:20,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,654 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-02-21 03:34:20,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:20,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,697 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-02-21 03:34:20,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:20,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:20,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:20,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,751 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 [2022-02-21 03:34:20,751 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-02-21 03:34:20,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,764 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-02-21 03:34:20,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,772 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:20,773 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:20,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-02-21 03:34:20,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,805 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-02-21 03:34:20,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,814 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:20,815 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:20,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:20,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,860 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-02-21 03:34:20,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,870 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:20,871 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:20,872 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:20,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-02-21 03:34:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,912 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-02-21 03:34:20,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:20,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,919 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:20,919 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:20,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:20,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:20,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-02-21 03:34:20,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:20,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:20,952 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:20,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-02-21 03:34:20,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:20,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:20,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:20,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:20,961 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:20,964 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:20,964 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:20,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:21,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:21,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:21,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:21,006 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:21,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-02-21 03:34:21,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:21,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:21,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:21,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:21,015 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:21,018 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:21,018 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:21,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:21,051 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 [2022-02-21 03:34:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:21,053 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:21,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-02-21 03:34:21,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:21,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:21,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:21,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:21,062 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:21,077 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:21,077 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:21,095 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:34:21,143 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-02-21 03:34:21,143 INFO L444 ModelExtractionUtils]: 13 out of 51 variables were initially zero. Simplification set additionally 31 variables to zero. [2022-02-21 03:34:21,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:21,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:21,145 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:21,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-02-21 03:34:21,147 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:34:21,168 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2022-02-21 03:34:21,168 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:34:21,169 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 = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc206#1.base)_2 - 8*ULTIMATE.start_main_~j~0#1 Supporting invariants [1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~length~0#1 >= 0] [2022-02-21 03:34:21,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-02-21 03:34:21,231 INFO L297 tatePredicateManager]: 2 out of 5 supporting invariants were superfluous and have been removed [2022-02-21 03:34:21,249 INFO L390 LassoCheck]: Loop: "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;" [2022-02-21 03:34:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:21,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:21,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:34:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:21,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:21,447 INFO L290 TraceCheckUtils]: 0: Hoare triple {203#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {203#unseeded} is VALID [2022-02-21 03:34:21,448 INFO L290 TraceCheckUtils]: 1: Hoare triple {203#unseeded} 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; {203#unseeded} is VALID [2022-02-21 03:34:21,448 INFO L290 TraceCheckUtils]: 2: Hoare triple {203#unseeded} assume !(main_~length~0#1 < 1); {260#(and unseeded (not (< |ULTIMATE.start_main_~length~0#1| 1)))} is VALID [2022-02-21 03:34:21,449 INFO L290 TraceCheckUtils]: 3: Hoare triple {260#(and unseeded (not (< |ULTIMATE.start_main_~length~0#1| 1)))} 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; {264#(and unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} is VALID [2022-02-21 03:34:21,449 INFO L290 TraceCheckUtils]: 4: Hoare triple {264#(and unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; {268#(and (<= |ULTIMATE.start_main_~i~0#1| 0) unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} is VALID [2022-02-21 03:34:21,450 INFO L290 TraceCheckUtils]: 5: Hoare triple {268#(and (<= |ULTIMATE.start_main_~i~0#1| 0) unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} 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; {268#(and (<= |ULTIMATE.start_main_~i~0#1| 0) unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} is VALID [2022-02-21 03:34:21,450 INFO L290 TraceCheckUtils]: 6: Hoare triple {268#(and (<= |ULTIMATE.start_main_~i~0#1| 0) unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; {275#(and unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (<= |ULTIMATE.start_main_~i~0#1| 1) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} is VALID [2022-02-21 03:34:21,451 INFO L290 TraceCheckUtils]: 7: Hoare triple {275#(and unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (<= |ULTIMATE.start_main_~i~0#1| 1) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} assume !(main_~i~0#1 < main_~length~0#1); {279#(and unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~length~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 1) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} is VALID [2022-02-21 03:34:21,452 INFO L290 TraceCheckUtils]: 8: Hoare triple {279#(and unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (not (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~length~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 1) (not (< |ULTIMATE.start_main_~length~0#1| 1)))} main_~j~0#1 := 0; {245#(and (= |ULTIMATE.start_main_~arr~0#1.offset| (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 4))) unseeded (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (>= (+ (* (- 1) |ULTIMATE.start_main_~length~0#1|) |ULTIMATE.start_main_~i~0#1|) 0))} is VALID [2022-02-21 03:34:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:21,459 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-21 03:34:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:21,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:21,468 INFO L290 TraceCheckUtils]: 0: Hoare triple {246#(and (>= oldRank0 (ite (> (+ (* 8 (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)))) 4) 0) 1 0)) (= |ULTIMATE.start_main_~arr~0#1.offset| (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 4))) (>= oldRank1 (ite (> (+ (* 8 (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)))) 4) 0) (+ (* 8 (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)))) 4) (+ (select |#length| |ULTIMATE.start_main_#t~malloc206#1.base|) (* (- 8) |ULTIMATE.start_main_~j~0#1|)))) (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (>= (+ (* (- 1) |ULTIMATE.start_main_~length~0#1|) |ULTIMATE.start_main_~i~0#1|) 0))} 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; {248#(and (= |ULTIMATE.start_main_~arr~0#1.offset| (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 4))) (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (>= (+ (* (- 1) |ULTIMATE.start_main_~length~0#1|) |ULTIMATE.start_main_~i~0#1|) 0) (or (and (>= oldRank0 0) (> oldRank0 (ite (> (+ (* 8 (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)))) 4) 0) 1 0))) unseeded (and (>= oldRank0 (ite (> (+ (* 8 (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)))) 4) 0) 1 0)) (>= oldRank1 0) (> oldRank1 (ite (> (+ (* 8 (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)))) 4) 0) (+ (* 8 (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)))) 4) (+ (select |#length| |ULTIMATE.start_main_#t~malloc206#1.base|) (* (- 8) |ULTIMATE.start_main_~j~0#1|)))))))} is VALID [2022-02-21 03:34:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:34:21,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:34:21,480 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:34:21,480 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,481 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 [2022-02-21 03:34:21,481 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) [2022-02-21 03:34:21,637 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. [2022-02-21 03:34:21,637 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 [2022-02-21 03:34:21,637 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:21,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:21,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:21,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:21,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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) [2022-02-21 03:34:21,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:21,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:21,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:21,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2022-02-21 03:34:21,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:21,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:21,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:21,657 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 10 states and 12 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:21,657 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:21,657 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:34:21,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:21,658 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:21,658 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 18 states and 21 transitions. cyclomatic complexity: 6 [2022-02-21 03:34:21,658 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:21,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,659 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 1 letters. [2022-02-21 03:34:21,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,660 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 1 letters. [2022-02-21 03:34:21,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 6 letters. Loop has 1 letters. [2022-02-21 03:34:21,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:21,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,660 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:21,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:21,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 18 letters. Loop has 18 letters. [2022-02-21 03:34:21,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,661 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 18 letters. Loop has 18 letters. [2022-02-21 03:34:21,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 18 letters. Loop has 18 letters. [2022-02-21 03:34:21,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 10 letters. Loop has 10 letters. [2022-02-21 03:34:21,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,674 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 10 letters. Loop has 10 letters. [2022-02-21 03:34:21,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 10 letters. Loop has 10 letters. [2022-02-21 03:34:21,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:34:21,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,675 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:34:21,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 8 letters. Loop has 8 letters. [2022-02-21 03:34:21,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,675 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 1 letters. [2022-02-21 03:34:21,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,676 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 1 letters. [2022-02-21 03:34:21,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 6 letters. Loop has 1 letters. [2022-02-21 03:34:21,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 12 transitions. cyclomatic complexity: 4 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:21,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,677 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:21,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 21 transitions. cyclomatic complexity: 6 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:21,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,677 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:21,678 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) [2022-02-21 03:34:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2022-02-21 03:34:21,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 9 letters. Loop has 1 letters. [2022-02-21 03:34:21,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 10 letters. Loop has 1 letters. [2022-02-21 03:34:21,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 9 letters. Loop has 2 letters. [2022-02-21 03:34:21,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:21,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. cyclomatic complexity: 6 [2022-02-21 03:34:21,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:21,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 17 transitions. [2022-02-21 03:34:21,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-02-21 03:34:21,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-02-21 03:34:21,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2022-02-21 03:34:21,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:34:21,681 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-02-21 03:34:21,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2022-02-21 03:34:21,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2022-02-21 03:34:21,682 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:34:21,682 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states and 17 transitions. Second 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) [2022-02-21 03:34:21,682 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states and 17 transitions. Second 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) [2022-02-21 03:34:21,682 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second 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) [2022-02-21 03:34:21,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:21,683 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-02-21 03:34:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-02-21 03:34:21,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:21,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:21,684 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 15 states and 17 transitions. [2022-02-21 03:34:21,684 INFO L87 Difference]: Start difference. First 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) Second operand 15 states and 17 transitions. [2022-02-21 03:34:21,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:21,685 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-02-21 03:34:21,685 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-02-21 03:34:21,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:21,685 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:21,685 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:34:21,685 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:34:21,685 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) [2022-02-21 03:34:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-02-21 03:34:21,686 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-02-21 03:34:21,686 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-02-21 03:34:21,686 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 03:34:21,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2022-02-21 03:34:21,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:21,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:21,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:21,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:21,701 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 03:34:21,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:34:21,702 INFO L791 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 328#L367 assume !(main_~length~0#1 < 1); 324#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 325#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 326#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 329#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 330#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 331#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 332#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 327#L370-4 main_~j~0#1 := 0; 321#L374-2 [2022-02-21 03:34:21,702 INFO L793 eck$LassoCheckResult]: Loop: 321#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; 321#L374-2 [2022-02-21 03:34:21,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1332965227, now seen corresponding path program 2 times [2022-02-21 03:34:21,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:21,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406488297] [2022-02-21 03:34:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:21,720 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:21,731 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:21,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:21,732 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 3 times [2022-02-21 03:34:21,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:21,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079967186] [2022-02-21 03:34:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:21,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:21,742 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1627750960, now seen corresponding path program 2 times [2022-02-21 03:34:21,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:21,743 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229961323] [2022-02-21 03:34:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:21,763 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:21,775 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:22,023 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:34:22,024 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:34:22,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:34:22,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:34:22,024 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:34:22,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,024 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:34:22,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:34:22,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration4_Lasso [2022-02-21 03:34:22,024 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:34:22,024 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:34:22,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,192 WARN L259 bleTransFormulaUtils]: 2 quantified variables [2022-02-21 03:34:22,194 WARN L259 bleTransFormulaUtils]: 2 quantified variables [2022-02-21 03:34:22,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:22,490 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:34:22,490 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:34:22,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,491 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-02-21 03:34:22,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:22,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:22,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:22,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-02-21 03:34:22,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,541 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-02-21 03:34:22,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:22,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:22,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:22,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:22,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,577 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-02-21 03:34:22,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:22,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:22,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:22,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-02-21 03:34:22,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,619 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-02-21 03:34:22,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:22,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:22,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:22,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-02-21 03:34:22,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,668 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-02-21 03:34:22,670 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 [2022-02-21 03:34:22,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:22,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:22,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-02-21 03:34:22,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,703 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-02-21 03:34:22,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:22,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:22,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:22,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,734 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-02-21 03:34:22,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:22,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:22,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:22,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,766 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-02-21 03:34:22,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:22,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:22,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-02-21 03:34:22,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,812 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:22,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:22,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-02-21 03:34:22,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-02-21 03:34:22,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,853 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-02-21 03:34:22,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:22,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:22,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:22,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,902 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-02-21 03:34:22,905 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 [2022-02-21 03:34:22,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:22,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:22,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:22,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,946 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-02-21 03:34:22,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:22,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:22,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:22,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:22,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:22,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:22,987 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:22,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-02-21 03:34:22,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:22,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:22,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:22,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:22,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:22,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:22,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:22,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:23,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-02-21 03:34:23,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,027 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-02-21 03:34:23,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:23,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:23,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:23,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-02-21 03:34:23,068 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-02-21 03:34:23,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,076 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-02-21 03:34:23,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:23,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,085 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,085 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:23,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:23,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,108 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 [2022-02-21 03:34:23,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,109 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-02-21 03:34:23,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:23,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,118 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,119 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:23,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:23,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-02-21 03:34:23,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,139 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-02-21 03:34:23,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:23,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,148 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,148 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:23,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:23,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,180 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 [2022-02-21 03:34:23,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,182 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-02-21 03:34:23,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:23,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,192 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,192 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:23,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:23,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-02-21 03:34:23,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,216 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-02-21 03:34:23,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,226 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,228 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:23,228 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:23,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:23,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,254 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-02-21 03:34:23,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,264 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,266 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:23,266 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:23,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-02-21 03:34:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,288 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-02-21 03:34:23,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,298 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:23,298 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:23,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-02-21 03:34:23,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,330 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-02-21 03:34:23,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,339 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,341 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:23,341 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:23,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:23,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,396 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-02-21 03:34:23,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,404 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,407 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:23,407 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:23,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:23,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-02-21 03:34:23,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,440 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-02-21 03:34:23,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:23,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:23,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:23,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:23,452 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:23,462 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:23,462 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:23,480 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:34:23,507 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-02-21 03:34:23,507 INFO L444 ModelExtractionUtils]: 8 out of 46 variables were initially zero. Simplification set additionally 33 variables to zero. [2022-02-21 03:34:23,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:23,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:23,509 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:23,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-02-21 03:34:23,511 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:34:23,518 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2022-02-21 03:34:23,519 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:34:23,519 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 [] [2022-02-21 03:34:23,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-02-21 03:34:23,577 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-02-21 03:34:23,587 INFO L390 LassoCheck]: Loop: "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;" [2022-02-21 03:34:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:23,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:23,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:34:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:23,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:23,713 INFO L290 TraceCheckUtils]: 0: Hoare triple {372#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {372#unseeded} is VALID [2022-02-21 03:34:23,713 INFO L290 TraceCheckUtils]: 1: Hoare triple {372#unseeded} 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; {372#unseeded} is VALID [2022-02-21 03:34:23,714 INFO L290 TraceCheckUtils]: 2: Hoare triple {372#unseeded} assume !(main_~length~0#1 < 1); {372#unseeded} is VALID [2022-02-21 03:34:23,714 INFO L290 TraceCheckUtils]: 3: Hoare triple {372#unseeded} 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; {372#unseeded} is VALID [2022-02-21 03:34:23,715 INFO L290 TraceCheckUtils]: 4: Hoare triple {372#unseeded} assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; {438#(and (= |ULTIMATE.start_main_~i~0#1| 0) unseeded)} is VALID [2022-02-21 03:34:23,715 INFO L290 TraceCheckUtils]: 5: Hoare triple {438#(and (= |ULTIMATE.start_main_~i~0#1| 0) unseeded)} 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; {438#(and (= |ULTIMATE.start_main_~i~0#1| 0) unseeded)} is VALID [2022-02-21 03:34:23,716 INFO L290 TraceCheckUtils]: 6: Hoare triple {438#(and (= |ULTIMATE.start_main_~i~0#1| 0) unseeded)} main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; {445#(and (= |ULTIMATE.start_main_~i~0#1| 1) unseeded)} is VALID [2022-02-21 03:34:23,716 INFO L290 TraceCheckUtils]: 7: Hoare triple {445#(and (= |ULTIMATE.start_main_~i~0#1| 1) unseeded)} 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; {445#(and (= |ULTIMATE.start_main_~i~0#1| 1) unseeded)} is VALID [2022-02-21 03:34:23,717 INFO L290 TraceCheckUtils]: 8: Hoare triple {445#(and (= |ULTIMATE.start_main_~i~0#1| 1) unseeded)} main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; {417#(and (= (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 8)) |ULTIMATE.start_main_~arr~0#1.offset|) unseeded)} is VALID [2022-02-21 03:34:23,717 INFO L290 TraceCheckUtils]: 9: Hoare triple {417#(and (= (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 8)) |ULTIMATE.start_main_~arr~0#1.offset|) unseeded)} assume !(main_~i~0#1 < main_~length~0#1); {417#(and (= (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 8)) |ULTIMATE.start_main_~arr~0#1.offset|) unseeded)} is VALID [2022-02-21 03:34:23,718 INFO L290 TraceCheckUtils]: 10: Hoare triple {417#(and (= (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 8)) |ULTIMATE.start_main_~arr~0#1.offset|) unseeded)} main_~j~0#1 := 0; {417#(and (= (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 8)) |ULTIMATE.start_main_~arr~0#1.offset|) unseeded)} is VALID [2022-02-21 03:34:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:23,741 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-21 03:34:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:23,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:23,752 INFO L290 TraceCheckUtils]: 0: Hoare triple {418#(and (= (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 8)) |ULTIMATE.start_main_~arr~0#1.offset|) (>= oldRank0 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) |ULTIMATE.start_main_~i~0#1|) 0) 1 0)) (>= oldRank1 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) |ULTIMATE.start_main_~i~0#1|) 0) (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) |ULTIMATE.start_main_~i~0#1|) (+ (* (- 2) |ULTIMATE.start_main_~j~0#1|) (* 2 |ULTIMATE.start_main_~length~0#1|)))))} 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; {420#(and (or unseeded (and (> oldRank1 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) |ULTIMATE.start_main_~i~0#1|) 0) (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) |ULTIMATE.start_main_~i~0#1|) (+ (* (- 2) |ULTIMATE.start_main_~j~0#1|) (* 2 |ULTIMATE.start_main_~length~0#1|)))) (>= oldRank0 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) |ULTIMATE.start_main_~i~0#1|) 0) 1 0)) (>= oldRank1 0)) (and (>= oldRank0 0) (> oldRank0 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) |ULTIMATE.start_main_~i~0#1|) 0) 1 0)))) (= (+ (* |ULTIMATE.start_main_~i~0#1| 4) |ULTIMATE.start_main_~arr~0#1.offset| (- 8)) |ULTIMATE.start_main_~arr~0#1.offset|))} is VALID [2022-02-21 03:34:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:34:23,753 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:34:23,765 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:34:23,765 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,766 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 [2022-02-21 03:34:23,766 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) [2022-02-21 03:34:23,915 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. [2022-02-21 03:34:23,916 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 [2022-02-21 03:34:23,916 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:23,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:23,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:23,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:23,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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) [2022-02-21 03:34:23,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:23,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:23,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:23,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2022-02-21 03:34:23,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:23,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:23,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:23,918 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 12 states and 14 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:23,918 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:23,918 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:34:23,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:23,919 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:23,919 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 20 states and 23 transitions. cyclomatic complexity: 6 [2022-02-21 03:34:23,919 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:23,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,919 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:34:23,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,920 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:34:23,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:34:23,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 15 letters. Loop has 1 letters. [2022-02-21 03:34:23,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,921 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 15 letters. Loop has 1 letters. [2022-02-21 03:34:23,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 15 letters. Loop has 1 letters. [2022-02-21 03:34:23,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 20 letters. Loop has 20 letters. [2022-02-21 03:34:23,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,922 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 20 letters. Loop has 20 letters. [2022-02-21 03:34:23,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 20 letters. Loop has 20 letters. [2022-02-21 03:34:23,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:34:23,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,922 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:34:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:34:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:34:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:34:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 6 letters. Loop has 6 letters. [2022-02-21 03:34:23,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,924 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:34:23,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,925 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:34:23,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:34:23,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 14 transitions. cyclomatic complexity: 4 Stem has 15 letters. Loop has 1 letters. [2022-02-21 03:34:23,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,925 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 15 letters. Loop has 1 letters. [2022-02-21 03:34:23,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 6 Stem has 15 letters. Loop has 1 letters. [2022-02-21 03:34:23,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,926 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:23,927 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) [2022-02-21 03:34:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2022-02-21 03:34:23,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 11 letters. Loop has 1 letters. [2022-02-21 03:34:23,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 12 letters. Loop has 1 letters. [2022-02-21 03:34:23,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 11 letters. Loop has 2 letters. [2022-02-21 03:34:23,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:23,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. cyclomatic complexity: 6 [2022-02-21 03:34:23,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:23,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 19 transitions. [2022-02-21 03:34:23,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-02-21 03:34:23,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-02-21 03:34:23,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2022-02-21 03:34:23,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:34:23,930 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-02-21 03:34:23,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2022-02-21 03:34:23,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2022-02-21 03:34:23,931 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:34:23,932 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states and 19 transitions. Second 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) [2022-02-21 03:34:23,932 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states and 19 transitions. Second 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) [2022-02-21 03:34:23,932 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second 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) [2022-02-21 03:34:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:23,933 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-02-21 03:34:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-02-21 03:34:23,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:23,933 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:23,933 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 17 states and 19 transitions. [2022-02-21 03:34:23,933 INFO L87 Difference]: Start difference. First 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) Second operand 17 states and 19 transitions. [2022-02-21 03:34:23,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:34:23,934 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-02-21 03:34:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-02-21 03:34:23,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:34:23,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:34:23,935 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:34:23,935 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:34:23,935 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) [2022-02-21 03:34:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-02-21 03:34:23,936 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-02-21 03:34:23,936 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-02-21 03:34:23,936 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2022-02-21 03:34:23,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2022-02-21 03:34:23,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:23,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:23,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:23,937 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 03:34:23,937 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:34:23,937 INFO L791 eck$LassoCheckResult]: Stem: 495#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 496#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~malloc206#1.base, main_#t~malloc206#1.offset, main_#t~nondet208#1, main_#t~post207#1, main_#t~mem209#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1; 501#L367 assume !(main_~length~0#1 < 1); 497#L367-2 call main_#t~malloc206#1.base, main_#t~malloc206#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc206#1.base, main_#t~malloc206#1.offset; 498#L369 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 499#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 502#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 505#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 507#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 503#L370-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet208#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet208#1; 504#L370-2 main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; 506#L370-3 assume !(main_~i~0#1 < main_~length~0#1); 500#L370-4 main_~j~0#1 := 0; 494#L374-2 [2022-02-21 03:34:23,937 INFO L793 eck$LassoCheckResult]: Loop: 494#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; 494#L374-2 [2022-02-21 03:34:23,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:23,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1079272553, now seen corresponding path program 3 times [2022-02-21 03:34:23,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:23,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513015375] [2022-02-21 03:34:23,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:23,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:23,951 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:23,961 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:23,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:23,961 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 4 times [2022-02-21 03:34:23,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:23,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521822049] [2022-02-21 03:34:23,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:23,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:23,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:23,970 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:23,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash 902289262, now seen corresponding path program 3 times [2022-02-21 03:34:23,970 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:34:23,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240970100] [2022-02-21 03:34:23,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:34:23,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:34:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:23,988 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:34:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:34:23,999 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:34:24,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:24,338 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:34:24,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:34:24,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:34:24,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:34:24,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:34:24,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:34:24,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:34:24,339 INFO L133 ssoRankerPreferences]: Filename of dumped script: array07_alloca.i_Iteration5_Lasso [2022-02-21 03:34:24,339 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:34:24,339 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:34:24,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,490 WARN L259 bleTransFormulaUtils]: 3 quantified variables [2022-02-21 03:34:24,492 WARN L259 bleTransFormulaUtils]: 3 quantified variables [2022-02-21 03:34:24,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:34:24,740 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:34:24,740 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:34:24,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:24,756 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:34:24,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-02-21 03:34:24,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:24,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:24,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:24,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:24,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:24,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:24,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:24,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:24,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:24,790 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 [2022-02-21 03:34:24,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:24,791 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) [2022-02-21 03:34:24,792 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 [2022-02-21 03:34:24,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:24,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:24,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:24,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:24,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:24,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:24,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:24,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:24,835 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 [2022-02-21 03:34:24,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:24,837 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) [2022-02-21 03:34:24,838 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 [2022-02-21 03:34:24,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:24,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:24,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:24,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:24,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:24,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:24,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:24,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:24,879 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 [2022-02-21 03:34:24,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:24,880 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) [2022-02-21 03:34:24,881 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 [2022-02-21 03:34:24,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:24,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:24,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:24,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:24,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:24,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:24,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:24,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:24,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:24,918 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 [2022-02-21 03:34:24,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:24,920 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) [2022-02-21 03:34:24,920 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 [2022-02-21 03:34:24,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:24,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:24,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:24,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:24,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:24,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:24,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:24,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:24,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:24,958 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 [2022-02-21 03:34:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:24,959 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) [2022-02-21 03:34:24,960 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 [2022-02-21 03:34:24,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:24,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:24,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:24,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:24,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:24,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:24,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:24,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:24,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-02-21 03:34:24,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:24,987 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) [2022-02-21 03:34:24,988 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 [2022-02-21 03:34:24,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:24,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:24,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:24,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:24,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:24,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:24,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:25,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:25,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,029 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) [2022-02-21 03:34:25,032 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 [2022-02-21 03:34:25,032 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 [2022-02-21 03:34:25,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:25,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:25,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:25,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,078 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 [2022-02-21 03:34:25,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,079 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) [2022-02-21 03:34:25,080 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 [2022-02-21 03:34:25,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:25,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:25,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:25,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,117 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 [2022-02-21 03:34:25,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,118 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) [2022-02-21 03:34:25,119 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 [2022-02-21 03:34:25,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:25,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:25,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:25,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-02-21 03:34:25,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,149 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) [2022-02-21 03:34:25,151 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 [2022-02-21 03:34:25,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:25,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:34:25,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:34:25,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,192 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 [2022-02-21 03:34:25,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,194 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) [2022-02-21 03:34:25,194 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 [2022-02-21 03:34:25,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:25,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:25,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:25,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:25,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,222 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 [2022-02-21 03:34:25,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,223 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) [2022-02-21 03:34:25,224 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 [2022-02-21 03:34:25,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:25,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:25,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:25,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:25,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,267 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 [2022-02-21 03:34:25,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,268 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) [2022-02-21 03:34:25,269 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 [2022-02-21 03:34:25,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:25,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:34:25,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:34:25,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:25,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,308 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 [2022-02-21 03:34:25,308 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-02-21 03:34:25,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,309 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) [2022-02-21 03:34:25,309 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 [2022-02-21 03:34:25,311 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 [2022-02-21 03:34:25,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:25,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,317 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,317 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:25,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:25,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,349 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 [2022-02-21 03:34:25,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,351 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) [2022-02-21 03:34:25,352 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 [2022-02-21 03:34:25,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,361 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,363 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:25,363 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:25,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,380 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 [2022-02-21 03:34:25,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,382 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) [2022-02-21 03:34:25,382 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 [2022-02-21 03:34:25,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,389 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,390 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:25,390 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:25,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,408 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 [2022-02-21 03:34:25,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,410 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) [2022-02-21 03:34:25,410 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 [2022-02-21 03:34:25,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:25,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,418 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,418 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:25,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:25,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-02-21 03:34:25,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,436 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) [2022-02-21 03:34:25,437 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 [2022-02-21 03:34:25,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:34:25,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,444 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,444 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-02-21 03:34:25,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:34:25,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,463 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 [2022-02-21 03:34:25,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,464 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) [2022-02-21 03:34:25,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-02-21 03:34:25,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,484 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,485 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:25,485 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:25,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-02-21 03:34:25,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,521 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) [2022-02-21 03:34:25,522 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 [2022-02-21 03:34:25,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,531 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,533 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:25,533 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:25,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:34:25,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-02-21 03:34:25,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,553 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) [2022-02-21 03:34:25,554 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 [2022-02-21 03:34:25,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:34:25,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:34:25,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:34:25,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:34:25,563 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-02-21 03:34:25,575 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-02-21 03:34:25,575 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-02-21 03:34:25,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:34:25,624 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-02-21 03:34:25,624 INFO L444 ModelExtractionUtils]: 22 out of 46 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-02-21 03:34:25,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:34:25,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:34:25,625 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) [2022-02-21 03:34:25,626 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 [2022-02-21 03:34:25,627 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:34:25,634 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2022-02-21 03:34:25,635 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:34:25,635 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 [] [2022-02-21 03:34:25,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-02-21 03:34:25,725 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 [2022-02-21 03:34:25,732 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-02-21 03:34:25,738 INFO L390 LassoCheck]: Loop: "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;" [2022-02-21 03:34:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:25,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:34:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:25,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:34:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:25,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:25,805 INFO L290 TraceCheckUtils]: 0: Hoare triple {551#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {551#unseeded} is VALID [2022-02-21 03:34:25,805 INFO L290 TraceCheckUtils]: 1: Hoare triple {551#unseeded} 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; {551#unseeded} is VALID [2022-02-21 03:34:25,806 INFO L290 TraceCheckUtils]: 2: Hoare triple {551#unseeded} assume !(main_~length~0#1 < 1); {551#unseeded} is VALID [2022-02-21 03:34:25,806 INFO L290 TraceCheckUtils]: 3: Hoare triple {551#unseeded} 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; {551#unseeded} is VALID [2022-02-21 03:34:25,806 INFO L290 TraceCheckUtils]: 4: Hoare triple {551#unseeded} assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; {551#unseeded} is VALID [2022-02-21 03:34:25,806 INFO L290 TraceCheckUtils]: 5: Hoare triple {551#unseeded} 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; {551#unseeded} is VALID [2022-02-21 03:34:25,807 INFO L290 TraceCheckUtils]: 6: Hoare triple {551#unseeded} main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; {551#unseeded} is VALID [2022-02-21 03:34:25,807 INFO L290 TraceCheckUtils]: 7: Hoare triple {551#unseeded} 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; {551#unseeded} is VALID [2022-02-21 03:34:25,807 INFO L290 TraceCheckUtils]: 8: Hoare triple {551#unseeded} main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; {551#unseeded} is VALID [2022-02-21 03:34:25,808 INFO L290 TraceCheckUtils]: 9: Hoare triple {551#unseeded} 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; {551#unseeded} is VALID [2022-02-21 03:34:25,808 INFO L290 TraceCheckUtils]: 10: Hoare triple {551#unseeded} main_#t~post207#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post207#1;havoc main_#t~post207#1; {551#unseeded} is VALID [2022-02-21 03:34:25,809 INFO L290 TraceCheckUtils]: 11: Hoare triple {551#unseeded} assume !(main_~i~0#1 < main_~length~0#1); {551#unseeded} is VALID [2022-02-21 03:34:25,809 INFO L290 TraceCheckUtils]: 12: Hoare triple {551#unseeded} main_~j~0#1 := 0; {551#unseeded} is VALID [2022-02-21 03:34:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:25,815 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:34:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:34:25,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:34:25,820 INFO L290 TraceCheckUtils]: 0: Hoare triple {556#(and (>= oldRank0 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) 1) 0) 1 0)) (>= oldRank1 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) 1) 0) (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) 1) (+ (* (- 2) |ULTIMATE.start_main_~j~0#1|) (* 2 |ULTIMATE.start_main_~length~0#1|)))))} 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; {595#(or (and (> oldRank0 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) 1) 0) 1 0)) (>= oldRank0 0)) unseeded (and (>= oldRank0 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) 1) 0) 1 0)) (> oldRank1 (ite (> (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) 1) 0) (+ (* 2 (select (select |#memory_int| |ULTIMATE.start_main_~arr~0#1.base|) |ULTIMATE.start_main_~arr~0#1.offset|)) 1) (+ (* (- 2) |ULTIMATE.start_main_~j~0#1|) (* 2 |ULTIMATE.start_main_~length~0#1|)))) (>= oldRank1 0)))} is VALID [2022-02-21 03:34:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:34:25,821 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:34:25,830 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:34:25,830 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,831 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 [2022-02-21 03:34:25,831 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) [2022-02-21 03:34:25,847 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. [2022-02-21 03:34:25,847 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 [2022-02-21 03:34:25,847 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:25,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:25,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:25,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:25,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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) [2022-02-21 03:34:25,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:25,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:34:25,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:34:25,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-02-21 03:34:25,848 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:34:25,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:34:25,849 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states and 16 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:25,849 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:25,849 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:34:25,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:34:25,849 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:34:25,849 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 17 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:25,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:25,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:34:25,850 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:34:25,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 16 transitions. cyclomatic complexity: 4 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,850 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 4 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 16 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:34:25,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,851 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:34:25,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:34:25,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 16 transitions. cyclomatic complexity: 4 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:34:25,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,851 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:34:25,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 4 Stem has 15 letters. Loop has 15 letters. [2022-02-21 03:34:25,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 16 transitions. cyclomatic complexity: 4 Stem has 14 letters. Loop has 14 letters. [2022-02-21 03:34:25,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 14 letters. Loop has 14 letters. [2022-02-21 03:34:25,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 4 Stem has 14 letters. Loop has 14 letters. [2022-02-21 03:34:25,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 16 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:34:25,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,852 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:34:25,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:34:25,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 16 transitions. cyclomatic complexity: 4 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,853 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 4 Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 16 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:34:25,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,854 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:34:25,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 17 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:34:25,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,854 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:34:25,854 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) [2022-02-21 03:34:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2022-02-21 03:34:25,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 13 letters. Loop has 1 letters. [2022-02-21 03:34:25,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 14 letters. Loop has 1 letters. [2022-02-21 03:34:25,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 13 letters. Loop has 2 letters. [2022-02-21 03:34:25,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:34:25,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. cyclomatic complexity: 4 [2022-02-21 03:34:25,856 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:34:25,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-02-21 03:34:25,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:34:25,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:34:25,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:34:25,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:34:25,856 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:34:25,856 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:34:25,857 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:34:25,857 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2022-02-21 03:34:25,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:34:25,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:34:25,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:34:25,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:34:25 BoogieIcfgContainer [2022-02-21 03:34:25,862 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:34:25,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:34:25,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:34:25,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:34:25,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:34:17" (3/4) ... [2022-02-21 03:34:25,864 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:34:25,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:34:25,865 INFO L158 Benchmark]: Toolchain (without parser) took 9511.74ms. Allocated memory was 104.9MB in the beginning and 188.7MB in the end (delta: 83.9MB). Free memory was 74.6MB in the beginning and 139.5MB in the end (delta: -64.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-02-21 03:34:25,865 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:34:25,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.60ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 74.6MB in the beginning and 121.6MB in the end (delta: -47.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 03:34:25,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:34:25,866 INFO L158 Benchmark]: Boogie Preprocessor took 30.20ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 118.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:34:25,866 INFO L158 Benchmark]: RCFGBuilder took 463.34ms. Allocated memory is still 157.3MB. Free memory was 118.1MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 03:34:25,867 INFO L158 Benchmark]: BuchiAutomizer took 8564.78ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 106.2MB in the beginning and 139.5MB in the end (delta: -33.3MB). Peak memory consumption was 595.8kB. Max. memory is 16.1GB. [2022-02-21 03:34:25,867 INFO L158 Benchmark]: Witness Printer took 2.38ms. Allocated memory is still 188.7MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:34:25,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.60ms. Allocated memory was 104.9MB in the beginning and 157.3MB in the end (delta: 52.4MB). Free memory was 74.6MB in the beginning and 121.6MB in the end (delta: -47.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.20ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 118.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.34ms. Allocated memory is still 157.3MB. Free memory was 118.1MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8564.78ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 106.2MB in the beginning and 139.5MB in the end (delta: -33.3MB). Peak memory consumption was 595.8kB. Max. memory is 16.1GB. * Witness Printer took 2.38ms. Allocated memory is still 188.7MB. Free memory is still 139.5MB. 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 8.5s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 7.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. 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, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 42 mSDtfsCounter, 81 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: 38ms 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! [2022-02-21 03:34:25,892 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