./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:54:04,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:54:04,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:54:04,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:54:04,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:54:04,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:54:04,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:54:04,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:54:04,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:54:04,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:54:04,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:54:04,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:54:04,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:54:04,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:54:04,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:54:04,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:54:04,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:54:04,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:54:04,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:54:04,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:54:04,736 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:54:04,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:54:04,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:54:04,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:54:04,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:54:04,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:54:04,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:54:04,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:54:04,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:54:04,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:54:04,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:54:04,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:54:04,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:54:04,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:54:04,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:54:04,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:54:04,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:54:04,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:54:04,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:54:04,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:54:04,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:54:04,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:54:04,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:54:04,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:54:04,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:54:04,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:54:04,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:54:04,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:54:04,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:54:04,781 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:54:04,781 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:54:04,782 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:54:04,782 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:54:04,783 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:54:04,783 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:54:04,783 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:54:04,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:54:04,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:54:04,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:54:04,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:54:04,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:54:04,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:54:04,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:54:04,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:54:04,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:54:04,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:54:04,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:54:04,786 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:54:04,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:54:04,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:54:04,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:54:04,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:54:04,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:54:04,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:54:04,788 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:54:04,788 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e [2022-07-13 04:54:04,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:54:05,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:54:05,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:54:05,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:54:05,003 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:54:05,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2022-07-13 04:54:05,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753ac68cf/dd27d49c4b6946ea84910db5173309c7/FLAGc9484b17e [2022-07-13 04:54:05,491 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:54:05,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2022-07-13 04:54:05,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753ac68cf/dd27d49c4b6946ea84910db5173309c7/FLAGc9484b17e [2022-07-13 04:54:05,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753ac68cf/dd27d49c4b6946ea84910db5173309c7 [2022-07-13 04:54:05,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:54:05,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:54:05,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:54:05,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:54:05,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:54:05,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5ad79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05, skipping insertion in model container [2022-07-13 04:54:05,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:54:05,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:54:05,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:54:05,829 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:54:05,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:54:05,894 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:54:05,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05 WrapperNode [2022-07-13 04:54:05,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:54:05,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:54:05,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:54:05,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:54:05,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,929 INFO L137 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2022-07-13 04:54:05,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:54:05,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:54:05,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:54:05,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:54:05,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:54:05,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:54:05,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:54:05,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:54:05,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (1/1) ... [2022-07-13 04:54:05,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:05,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:05,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:05,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:54:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 04:54:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 04:54:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 04:54:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 04:54:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:54:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:54:06,136 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:54:06,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:54:06,291 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:54:06,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:54:06,296 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-13 04:54:06,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:54:06 BoogieIcfgContainer [2022-07-13 04:54:06,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:54:06,299 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:54:06,299 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:54:06,306 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:54:06,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:54:06,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:54:05" (1/3) ... [2022-07-13 04:54:06,311 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d735bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:54:06, skipping insertion in model container [2022-07-13 04:54:06,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:54:06,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:54:05" (2/3) ... [2022-07-13 04:54:06,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d735bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:54:06, skipping insertion in model container [2022-07-13 04:54:06,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:54:06,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:54:06" (3/3) ... [2022-07-13 04:54:06,313 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrspn-alloca-2.i [2022-07-13 04:54:06,347 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:54:06,348 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:54:06,348 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:54:06,348 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:54:06,348 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:54:06,348 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:54:06,348 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:54:06,349 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:54:06,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:06,363 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-07-13 04:54:06,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:06,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:06,367 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 04:54:06,367 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 04:54:06,367 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:54:06,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:06,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-07-13 04:54:06,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:06,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:06,369 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-13 04:54:06,369 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 04:54:06,374 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 13#L528true assume !(main_~length1~0#1 < 1); 8#L528-2true assume !(main_~length2~0#1 < 1); 14#L531-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 7#L537-3true [2022-07-13 04:54:06,374 INFO L754 eck$LassoCheckResult]: Loop: 7#L537-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 16#L537-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 7#L537-3true [2022-07-13 04:54:06,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:06,378 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-07-13 04:54:06,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:06,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889454270] [2022-07-13 04:54:06,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:06,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:06,446 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:06,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:06,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-07-13 04:54:06,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:06,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215732168] [2022-07-13 04:54:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:06,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:06,477 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:06,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:06,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-07-13 04:54:06,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:06,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004840877] [2022-07-13 04:54:06,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:06,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:06,524 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:06,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:06,822 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:54:06,822 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:54:06,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:54:06,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:54:06,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:54:06,823 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:06,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:54:06,824 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:54:06,824 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration1_Lasso [2022-07-13 04:54:06,824 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:54:06,824 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:54:06,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:06,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:07,205 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:54:07,207 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:54:07,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-13 04:54:07,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-13 04:54:07,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-13 04:54:07,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:07,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,448 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 [2022-07-13 04:54:07,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-13 04:54:07,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-13 04:54:07,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,547 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 [2022-07-13 04:54:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-13 04:54:07,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,586 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-13 04:54:07,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:07,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,637 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-13 04:54:07,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:07,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,701 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-13 04:54:07,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-13 04:54:07,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:07,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,763 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-13 04:54:07,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:07,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,799 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-13 04:54:07,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-13 04:54:07,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:07,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,883 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 [2022-07-13 04:54:07,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,885 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-13 04:54:07,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:07,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:07,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:07,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,915 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-13 04:54:07,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:07,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:07,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:07,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:07,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:07,976 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:07,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-13 04:54:07,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:07,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:07,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:07,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:07,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:07,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:07,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:08,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:08,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:08,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:08,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:08,022 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:08,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-13 04:54:08,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:08,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:08,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:08,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:08,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:08,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:08,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:08,052 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:54:08,081 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-07-13 04:54:08,081 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-13 04:54:08,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:08,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:08,084 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:08,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-13 04:54:08,093 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:54:08,132 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-13 04:54:08,132 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:54:08,143 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0] [2022-07-13 04:54:08,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:08,184 INFO L293 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2022-07-13 04:54:08,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:08,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 04:54:08,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:08,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 04:54:08,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:08,277 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 [2022-07-13 04:54:08,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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) [2022-07-13 04:54:08,326 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 45 states and 64 transitions. Complement of second has 8 states. [2022-07-13 04:54:08,327 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 [2022-07-13 04:54:08,330 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) [2022-07-13 04:54:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2022-07-13 04:54:08,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-13 04:54:08,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:08,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-13 04:54:08,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:08,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 5 letters. Loop has 4 letters. [2022-07-13 04:54:08,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:08,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2022-07-13 04:54:08,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-13 04:54:08,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 16 states and 22 transitions. [2022-07-13 04:54:08,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-13 04:54:08,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-13 04:54:08,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-07-13 04:54:08,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:54:08,338 INFO L369 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-07-13 04:54:08,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-07-13 04:54:08,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-13 04:54:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2022-07-13 04:54:08,354 INFO L392 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-07-13 04:54:08,354 INFO L374 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-07-13 04:54:08,354 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:54:08,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2022-07-13 04:54:08,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-13 04:54:08,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:08,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:08,355 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:08,355 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 04:54:08,356 INFO L752 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 148#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 158#L528 assume !(main_~length1~0#1 < 1); 156#L528-2 assume !(main_~length2~0#1 < 1); 157#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 153#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 151#L537-4 main_~i~1#1 := 0; 152#L541-3 [2022-07-13 04:54:08,356 INFO L754 eck$LassoCheckResult]: Loop: 152#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 162#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 152#L541-3 [2022-07-13 04:54:08,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:08,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-07-13 04:54:08,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:08,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545953869] [2022-07-13 04:54:08,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:08,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:08,365 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:08,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:08,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:08,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-07-13 04:54:08,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:08,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931992516] [2022-07-13 04:54:08,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:08,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:08,377 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:08,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:08,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-07-13 04:54:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:08,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884911136] [2022-07-13 04:54:08,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:08,391 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:08,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:08,567 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 [2022-07-13 04:54:08,613 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:54:08,613 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:54:08,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:54:08,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:54:08,613 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:54:08,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:08,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:54:08,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:54:08,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration2_Lasso [2022-07-13 04:54:08,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:54:08,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:54:08,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:08,900 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:54:08,900 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:54:08,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:08,902 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:08,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:08,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:08,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:08,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:08,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:08,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:08,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:08,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:08,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-13 04:54:08,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:08,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:08,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:08,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:08,941 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:08,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-13 04:54:08,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:08,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:08,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:08,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:08,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:08,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:08,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:08,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:08,985 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 [2022-07-13 04:54:08,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:08,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:09,000 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:09,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-13 04:54:09,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:09,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:09,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:09,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:09,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:09,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:09,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:09,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:09,043 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 [2022-07-13 04:54:09,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:09,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:09,044 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:09,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-13 04:54:09,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:09,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:09,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:09,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:09,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:09,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:09,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:09,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:09,092 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 [2022-07-13 04:54:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:09,094 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:09,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-13 04:54:09,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:09,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:09,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:09,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:09,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:09,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:09,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:09,122 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:54:09,135 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-07-13 04:54:09,135 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-13 04:54:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:09,152 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:09,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-13 04:54:09,154 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:54:09,176 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-13 04:54:09,176 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:54:09,176 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 - 1*ULTIMATE.start_main_~length2~0#1 >= 0] [2022-07-13 04:54:09,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:09,205 INFO L293 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2022-07-13 04:54:09,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:09,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 04:54:09,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:09,270 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 04:54:09,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-13 04:54:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:09,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 04:54:09,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:09,304 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-13 04:54:09,304 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:09,333 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 23 states and 34 transitions. Complement of second has 7 states. [2022-07-13 04:54:09,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-13 04:54:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-07-13 04:54:09,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-13 04:54:09,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:09,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-13 04:54:09,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:09,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-13 04:54:09,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:09,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 34 transitions. [2022-07-13 04:54:09,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 04:54:09,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 17 states and 24 transitions. [2022-07-13 04:54:09,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-07-13 04:54:09,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-07-13 04:54:09,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2022-07-13 04:54:09,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:54:09,337 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-13 04:54:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2022-07-13 04:54:09,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-07-13 04:54:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-07-13 04:54:09,339 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-13 04:54:09,339 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-07-13 04:54:09,339 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:54:09,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-07-13 04:54:09,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 04:54:09,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:09,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:09,340 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:09,340 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 04:54:09,340 INFO L752 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 282#L528 assume !(main_~length1~0#1 < 1); 280#L528-2 assume !(main_~length2~0#1 < 1); 281#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 277#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 275#L537-4 main_~i~1#1 := 0; 276#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 283#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 284#L522 [2022-07-13 04:54:09,340 INFO L754 eck$LassoCheckResult]: Loop: 284#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 273#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 274#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 285#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 284#L522 [2022-07-13 04:54:09,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-07-13 04:54:09,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083363744] [2022-07-13 04:54:09,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,353 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:09,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 1 times [2022-07-13 04:54:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439909271] [2022-07-13 04:54:09,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,367 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:09,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash -587636803, now seen corresponding path program 1 times [2022-07-13 04:54:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821438136] [2022-07-13 04:54:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:09,485 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 [2022-07-13 04:54:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:09,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:54:09,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821438136] [2022-07-13 04:54:09,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821438136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:54:09,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:54:09,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 04:54:09,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624343378] [2022-07-13 04:54:09,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:54:09,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:54:09,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 04:54:09,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-13 04:54:09,618 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 1.4444444444444444) 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) [2022-07-13 04:54:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:54:09,681 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2022-07-13 04:54:09,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 04:54:09,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-07-13 04:54:09,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 04:54:09,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 24 transitions. [2022-07-13 04:54:09,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-13 04:54:09,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-07-13 04:54:09,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-07-13 04:54:09,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:54:09,683 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-07-13 04:54:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-07-13 04:54:09,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-07-13 04:54:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:09,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-07-13 04:54:09,685 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-07-13 04:54:09,685 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-07-13 04:54:09,685 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-13 04:54:09,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-07-13 04:54:09,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 04:54:09,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:09,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:09,686 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:09,686 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 04:54:09,686 INFO L752 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 331#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 341#L528 assume !(main_~length1~0#1 < 1); 339#L528-2 assume !(main_~length2~0#1 < 1); 340#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 336#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 334#L537-4 main_~i~1#1 := 0; 335#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 345#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 346#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 342#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 343#L522 [2022-07-13 04:54:09,686 INFO L754 eck$LassoCheckResult]: Loop: 343#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 332#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 333#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 344#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 343#L522 [2022-07-13 04:54:09,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2022-07-13 04:54:09,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487117668] [2022-07-13 04:54:09,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:09,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 2 times [2022-07-13 04:54:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377665826] [2022-07-13 04:54:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,713 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:09,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1860214623, now seen corresponding path program 1 times [2022-07-13 04:54:09,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326373591] [2022-07-13 04:54:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 04:54:09,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:54:09,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326373591] [2022-07-13 04:54:09,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326373591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:54:09,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:54:09,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 04:54:09,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77576807] [2022-07-13 04:54:09,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:54:09,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:54:09,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 04:54:09,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-13 04:54:09,893 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:09,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:54:09,953 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-07-13 04:54:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 04:54:09,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-07-13 04:54:09,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-07-13 04:54:09,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 36 transitions. [2022-07-13 04:54:09,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-07-13 04:54:09,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-07-13 04:54:09,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2022-07-13 04:54:09,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:54:09,955 INFO L369 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-07-13 04:54:09,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2022-07-13 04:54:09,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2022-07-13 04:54:09,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-07-13 04:54:09,956 INFO L392 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-07-13 04:54:09,957 INFO L374 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-07-13 04:54:09,957 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-13 04:54:09,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2022-07-13 04:54:09,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-13 04:54:09,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:09,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:09,957 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:09,958 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:54:09,958 INFO L752 eck$LassoCheckResult]: Stem: 397#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 398#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 409#L528 assume !(main_~length1~0#1 < 1); 407#L528-2 assume !(main_~length2~0#1 < 1); 408#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 403#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 401#L537-4 main_~i~1#1 := 0; 402#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 415#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 416#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 410#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 411#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 413#L520-3 [2022-07-13 04:54:09,958 INFO L754 eck$LassoCheckResult]: Loop: 413#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 418#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 412#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 413#L520-3 [2022-07-13 04:54:09,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,958 INFO L85 PathProgramCache]: Analyzing trace with hash -294332619, now seen corresponding path program 1 times [2022-07-13 04:54:09,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242858715] [2022-07-13 04:54:09,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,969 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:09,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,977 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 1 times [2022-07-13 04:54:09,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927270857] [2022-07-13 04:54:09,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,980 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:09,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:09,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1860214625, now seen corresponding path program 1 times [2022-07-13 04:54:09,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:09,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905624305] [2022-07-13 04:54:09,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:09,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:10,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:10,734 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:54:10,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:54:10,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:54:10,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:54:10,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:54:10,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:10,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:54:10,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:54:10,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration5_Lasso [2022-07-13 04:54:10,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:54:10,734 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:54:10,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:10,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:11,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:54:11,687 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:54:11,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,689 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-13 04:54:11,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:11,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:11,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:11,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:11,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,718 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-13 04:54:11,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:11,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:11,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:11,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,760 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-13 04:54:11,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:11,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:11,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:11,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-13 04:54:11,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,786 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-13 04:54:11,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:11,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:11,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:11,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,819 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 [2022-07-13 04:54:11,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,820 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-13 04:54:11,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:11,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:11,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:11,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,858 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-13 04:54:11,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:11,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:11,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:11,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,897 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-13 04:54:11,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:11,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:11,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:11,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:11,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,939 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-13 04:54:11,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:11,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:11,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:11,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-13 04:54:11,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,966 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-13 04:54:11,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:11,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:11,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:11,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:11,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:11,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:11,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:11,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:11,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:11,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:11,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:11,995 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:11,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-13 04:54:11,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:12,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:12,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:12,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,029 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 [2022-07-13 04:54:12,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,030 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-13 04:54:12,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:12,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:12,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:12,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-13 04:54:12,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,058 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-13 04:54:12,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:12,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:12,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:12,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,087 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-13 04:54:12,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:12,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:12,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:12,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:12,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,116 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-13 04:54:12,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:12,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:12,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:12,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,162 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-13 04:54:12,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:12,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:12,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-13 04:54:12,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,191 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-13 04:54:12,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:12,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:12,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-07-13 04:54:12,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,233 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-13 04:54:12,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:12,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:12,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:12,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,308 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-13 04:54:12,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:12,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:12,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,339 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 [2022-07-13 04:54:12,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,340 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-13 04:54:12,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:12,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:12,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:12,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:12,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,399 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-13 04:54:12,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:12,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:12,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:12,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:12,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:12,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:12,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:12,443 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:54:12,465 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-13 04:54:12,465 INFO L444 ModelExtractionUtils]: 9 out of 58 variables were initially zero. Simplification set additionally 46 variables to zero. [2022-07-13 04:54:12,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:12,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,466 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-13 04:54:12,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:54:12,483 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 04:54:12,483 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:54:12,483 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~spanp~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2) = -1*ULTIMATE.start_cstrspn_~spanp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2 Supporting invariants [] [2022-07-13 04:54:12,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-13 04:54:12,548 INFO L293 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2022-07-13 04:54:12,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:12,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 04:54:12,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:12,607 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-13 04:54:12,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:12,628 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-13 04:54:12,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:12,648 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 46 transitions. Complement of second has 6 states. [2022-07-13 04:54:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-13 04:54:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-07-13 04:54:12,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 3 letters. [2022-07-13 04:54:12,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:12,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 15 letters. Loop has 3 letters. [2022-07-13 04:54:12,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:12,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 6 letters. [2022-07-13 04:54:12,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:12,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 46 transitions. [2022-07-13 04:54:12,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 04:54:12,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 24 states and 30 transitions. [2022-07-13 04:54:12,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-07-13 04:54:12,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-13 04:54:12,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2022-07-13 04:54:12,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:54:12,652 INFO L369 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2022-07-13 04:54:12,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2022-07-13 04:54:12,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-07-13 04:54:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2022-07-13 04:54:12,653 INFO L392 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-07-13 04:54:12,653 INFO L374 stractBuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-07-13 04:54:12,653 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-13 04:54:12,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2022-07-13 04:54:12,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 04:54:12,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:12,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:12,654 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:12,654 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 04:54:12,655 INFO L752 eck$LassoCheckResult]: Stem: 623#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 624#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 636#L528 assume !(main_~length1~0#1 < 1); 634#L528-2 assume !(main_~length2~0#1 < 1); 635#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 631#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 632#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 633#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 629#L537-4 main_~i~1#1 := 0; 630#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 643#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 644#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 637#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 638#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 645#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 628#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 639#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 640#L522 [2022-07-13 04:54:12,655 INFO L754 eck$LassoCheckResult]: Loop: 640#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 625#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 626#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 642#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 640#L522 [2022-07-13 04:54:12,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:12,655 INFO L85 PathProgramCache]: Analyzing trace with hash -796682687, now seen corresponding path program 1 times [2022-07-13 04:54:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:12,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279786278] [2022-07-13 04:54:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:12,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:12,691 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:12,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:12,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 3 times [2022-07-13 04:54:12,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:12,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186065941] [2022-07-13 04:54:12,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:12,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:12,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:12,707 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:12,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:12,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash 477217064, now seen corresponding path program 2 times [2022-07-13 04:54:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:12,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931535528] [2022-07-13 04:54:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:12,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:12,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:54:12,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931535528] [2022-07-13 04:54:12,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931535528] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 04:54:12,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112944240] [2022-07-13 04:54:12,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 04:54:12,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 04:54:12,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:12,921 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 04:54:12,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-07-13 04:54:12,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 04:54:12,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 04:54:12,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 44 conjunts are in the unsatisfiable core [2022-07-13 04:54:12,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:13,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-13 04:54:13,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-07-13 04:54:13,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-07-13 04:54:13,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 04:54:13,279 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-13 04:54:13,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 10 [2022-07-13 04:54:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 04:54:13,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 04:54:13,334 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-13 04:54:13,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2022-07-13 04:54:13,340 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-13 04:54:13,340 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-07-13 04:54:13,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-07-13 04:54:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 04:54:13,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112944240] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 04:54:13,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 04:54:13,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 22 [2022-07-13 04:54:13,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401220459] [2022-07-13 04:54:13,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 04:54:13,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:54:13,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-13 04:54:13,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2022-07-13 04:54:13,614 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 23 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 23 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:13,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:54:13,850 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2022-07-13 04:54:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 04:54:13,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2022-07-13 04:54:13,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-07-13 04:54:13,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 52 transitions. [2022-07-13 04:54:13,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-07-13 04:54:13,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-07-13 04:54:13,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2022-07-13 04:54:13,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:54:13,851 INFO L369 hiAutomatonCegarLoop]: Abstraction has 43 states and 52 transitions. [2022-07-13 04:54:13,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2022-07-13 04:54:13,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-07-13 04:54:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-07-13 04:54:13,853 INFO L392 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-07-13 04:54:13,853 INFO L374 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-07-13 04:54:13,853 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-13 04:54:13,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2022-07-13 04:54:13,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-13 04:54:13,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:13,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:13,854 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:13,854 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:54:13,854 INFO L752 eck$LassoCheckResult]: Stem: 849#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 850#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 863#L528 assume !(main_~length1~0#1 < 1); 861#L528-2 assume !(main_~length2~0#1 < 1); 862#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 857#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 858#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 888#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 887#L537-4 main_~i~1#1 := 0; 886#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 885#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 884#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 883#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 882#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 881#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 880#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 879#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 875#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 851#L520-3 [2022-07-13 04:54:13,855 INFO L754 eck$LassoCheckResult]: Loop: 851#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 852#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 866#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 851#L520-3 [2022-07-13 04:54:13,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:13,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1072640524, now seen corresponding path program 3 times [2022-07-13 04:54:13,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:13,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168673647] [2022-07-13 04:54:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:13,866 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:13,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:13,892 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 2 times [2022-07-13 04:54:13,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:13,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926541488] [2022-07-13 04:54:13,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:13,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:13,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:13,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:13,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:13,897 INFO L85 PathProgramCache]: Analyzing trace with hash 477217066, now seen corresponding path program 1 times [2022-07-13 04:54:13,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:13,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122870449] [2022-07-13 04:54:13,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:13,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:13,916 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:13,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:15,334 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:54:15,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:54:15,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:54:15,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:54:15,335 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:54:15,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:15,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:54:15,335 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:54:15,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration7_Lasso [2022-07-13 04:54:15,335 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:54:15,335 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:54:15,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:15,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:16,593 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:54:16,594 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:54:16,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,595 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-13 04:54:16,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:16,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:16,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:16,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:16,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,638 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-13 04:54:16,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:16,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:16,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:16,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:16,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,676 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-13 04:54:16,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:16,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:16,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:16,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,704 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 [2022-07-13 04:54:16,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,706 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-13 04:54:16,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:16,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:16,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-13 04:54:16,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,735 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-13 04:54:16,737 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 [2022-07-13 04:54:16,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:16,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:16,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:16,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-13 04:54:16,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,761 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-13 04:54:16,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:16,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:16,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,787 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 [2022-07-13 04:54:16,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,790 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-13 04:54:16,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:16,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:16,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:16,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:16,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,828 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-13 04:54:16,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:16,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:16,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:16,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-13 04:54:16,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,875 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-13 04:54:16,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:16,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:16,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:16,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,927 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:16,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-13 04:54:16,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:16,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:16,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:16,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:16,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:16,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:16,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:16,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:16,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:16,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:16,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:16,980 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) [2022-07-13 04:54:17,003 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 [2022-07-13 04:54:17,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:17,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:17,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:17,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:17,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:17,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:17,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:17,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:17,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:17,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-07-13 04:54:17,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:17,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:17,028 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) [2022-07-13 04:54:17,029 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 [2022-07-13 04:54:17,030 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 [2022-07-13 04:54:17,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:17,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:17,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:17,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:17,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:17,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:17,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:17,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:17,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:17,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:17,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:17,068 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) [2022-07-13 04:54:17,069 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 [2022-07-13 04:54:17,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:17,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:17,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:17,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:17,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:17,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:17,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:17,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:17,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:17,093 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 [2022-07-13 04:54:17,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:17,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:17,094 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) [2022-07-13 04:54:17,095 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 [2022-07-13 04:54:17,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:17,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:17,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:17,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:17,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:17,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:17,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:17,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:17,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:17,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:17,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:17,134 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) [2022-07-13 04:54:17,136 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 [2022-07-13 04:54:17,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:17,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:17,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:17,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:17,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:17,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:17,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:17,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:54:17,230 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2022-07-13 04:54:17,231 INFO L444 ModelExtractionUtils]: 14 out of 58 variables were initially zero. Simplification set additionally 39 variables to zero. [2022-07-13 04:54:17,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:17,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:17,232 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) [2022-07-13 04:54:17,233 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 [2022-07-13 04:54:17,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:54:17,241 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-13 04:54:17,241 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:54:17,241 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~spanp~0#1.offset, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_cstrspn_~spanp~0#1.offset + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [1*ULTIMATE.start_main_~length1~0#1 - 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3 >= 0] [2022-07-13 04:54:17,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:17,370 INFO L293 tatePredicateManager]: 38 out of 41 supporting invariants were superfluous and have been removed [2022-07-13 04:54:17,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:17,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-13 04:54:17,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:17,436 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 04:54:17,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-13 04:54:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:17,609 WARN L261 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 04:54:17,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:17,641 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-07-13 04:54:17,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:17,803 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 72 states and 87 transitions. Complement of second has 12 states. [2022-07-13 04:54:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2022-07-13 04:54:17,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 29 transitions. [2022-07-13 04:54:17,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 29 transitions. Stem has 18 letters. Loop has 3 letters. [2022-07-13 04:54:17,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:17,804 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 04:54:17,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:17,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-13 04:54:17,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:17,859 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 04:54:17,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-13 04:54:17,924 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 [2022-07-13 04:54:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:18,057 WARN L261 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 04:54:18,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:18,089 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-07-13 04:54:18,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:18,281 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 72 states and 89 transitions. Complement of second has 12 states. [2022-07-13 04:54:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2022-07-13 04:54:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 28 transitions. [2022-07-13 04:54:18,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 28 transitions. Stem has 18 letters. Loop has 3 letters. [2022-07-13 04:54:18,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:18,282 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 04:54:18,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:18,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-13 04:54:18,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:18,340 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 04:54:18,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-07-13 04:54:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:18,515 WARN L261 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 04:54:18,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:18,546 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-07-13 04:54:18,546 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:18,765 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 88 states and 105 transitions. Complement of second has 11 states. [2022-07-13 04:54:18,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 8 stem states 1 non-accepting loop states 2 accepting loop states [2022-07-13 04:54:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 41 transitions. [2022-07-13 04:54:18,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 41 transitions. Stem has 18 letters. Loop has 3 letters. [2022-07-13 04:54:18,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:18,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 41 transitions. Stem has 21 letters. Loop has 3 letters. [2022-07-13 04:54:18,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:18,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 41 transitions. Stem has 18 letters. Loop has 6 letters. [2022-07-13 04:54:18,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:18,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 105 transitions. [2022-07-13 04:54:18,768 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-07-13 04:54:18,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 65 states and 79 transitions. [2022-07-13 04:54:18,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2022-07-13 04:54:18,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2022-07-13 04:54:18,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 79 transitions. [2022-07-13 04:54:18,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:54:18,769 INFO L369 hiAutomatonCegarLoop]: Abstraction has 65 states and 79 transitions. [2022-07-13 04:54:18,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 79 transitions. [2022-07-13 04:54:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 51. [2022-07-13 04:54:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2022-07-13 04:54:18,771 INFO L392 hiAutomatonCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-07-13 04:54:18,771 INFO L374 stractBuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-07-13 04:54:18,771 INFO L287 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-13 04:54:18,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 62 transitions. [2022-07-13 04:54:18,771 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2022-07-13 04:54:18,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:18,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:18,772 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:18,772 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 04:54:18,772 INFO L752 eck$LassoCheckResult]: Stem: 1604#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1605#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1618#L528 assume !(main_~length1~0#1 < 1); 1616#L528-2 assume !(main_~length2~0#1 < 1); 1617#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1611#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1612#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1627#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1615#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1613#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1614#L537-4 main_~i~1#1 := 0; 1628#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1629#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1633#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1619#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 1620#L522 [2022-07-13 04:54:18,774 INFO L754 eck$LassoCheckResult]: Loop: 1620#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 1653#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 1625#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 1621#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 1620#L522 [2022-07-13 04:54:18,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:18,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1523394364, now seen corresponding path program 1 times [2022-07-13 04:54:18,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:18,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117613834] [2022-07-13 04:54:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:18,789 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:18,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:18,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:18,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 4 times [2022-07-13 04:54:18,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:18,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206092721] [2022-07-13 04:54:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:18,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:18,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:18,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:18,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:18,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1430543523, now seen corresponding path program 4 times [2022-07-13 04:54:18,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:18,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232350169] [2022-07-13 04:54:18,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:18,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:18,816 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:18,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:19,716 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:54:19,716 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:54:19,716 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:54:19,716 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:54:19,716 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:54:19,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:19,716 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:54:19,716 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:54:19,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration8_Lasso [2022-07-13 04:54:19,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:54:19,716 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:54:19,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:19,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:20,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:20,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:20,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:20,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:20,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:20,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:20,563 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 04:54:20,564 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 04:54:20,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,580 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) [2022-07-13 04:54:20,581 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 [2022-07-13 04:54:20,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:20,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:20,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,610 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) [2022-07-13 04:54:20,611 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 [2022-07-13 04:54:20,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,651 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) [2022-07-13 04:54:20,652 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 [2022-07-13 04:54:20,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-13 04:54:20,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,679 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) [2022-07-13 04:54:20,680 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 [2022-07-13 04:54:20,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:20,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:20,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,710 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) [2022-07-13 04:54:20,711 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 [2022-07-13 04:54:20,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,738 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) [2022-07-13 04:54:20,739 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 [2022-07-13 04:54:20,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,763 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 [2022-07-13 04:54:20,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,765 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) [2022-07-13 04:54:20,765 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 [2022-07-13 04:54:20,767 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 [2022-07-13 04:54:20,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,791 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) [2022-07-13 04:54:20,792 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 [2022-07-13 04:54:20,793 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 [2022-07-13 04:54:20,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,819 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) [2022-07-13 04:54:20,820 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 [2022-07-13 04:54:20,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,844 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 [2022-07-13 04:54:20,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,845 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) [2022-07-13 04:54:20,846 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 [2022-07-13 04:54:20,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,873 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) [2022-07-13 04:54:20,873 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 [2022-07-13 04:54:20,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,907 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) [2022-07-13 04:54:20,909 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 [2022-07-13 04:54:20,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-07-13 04:54:20,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,935 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) [2022-07-13 04:54:20,936 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 [2022-07-13 04:54:20,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:20,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:20,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:20,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:20,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:20,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:20,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:20,974 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) [2022-07-13 04:54:20,974 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 [2022-07-13 04:54:20,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:20,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:20,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:20,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:20,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:20,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:20,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:20,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:21,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:21,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:21,003 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) [2022-07-13 04:54:21,003 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 [2022-07-13 04:54:21,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:21,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:21,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:21,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:21,011 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-13 04:54:21,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:21,014 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-13 04:54:21,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:21,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:21,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:21,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:21,033 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) [2022-07-13 04:54:21,034 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 [2022-07-13 04:54:21,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:21,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:21,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 04:54:21,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:21,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:21,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:21,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 04:54:21,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 04:54:21,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 04:54:21,073 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 [2022-07-13 04:54:21,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:21,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:21,074 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:21,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-07-13 04:54:21,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 04:54:21,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 04:54:21,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 04:54:21,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 04:54:21,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 04:54:21,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 04:54:21,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 04:54:21,107 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 04:54:21,164 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2022-07-13 04:54:21,164 INFO L444 ModelExtractionUtils]: 25 out of 61 variables were initially zero. Simplification set additionally 33 variables to zero. [2022-07-13 04:54:21,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:21,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:54:21,165 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:54:21,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-07-13 04:54:21,212 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 04:54:21,229 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 04:54:21,229 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 04:54:21,229 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~p~0#1.base)_2, ULTIMATE.start_cstrspn_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~p~0#1.base)_2 - 1*ULTIMATE.start_cstrspn_~p~0#1.offset Supporting invariants [] [2022-07-13 04:54:21,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-07-13 04:54:21,367 INFO L293 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2022-07-13 04:54:21,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:21,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 04:54:21,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:54:21,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 04:54:21,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 04:54:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:54:21,419 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 [2022-07-13 04:54:21,419 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:21,426 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 19. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 80 states and 100 transitions. Complement of second has 4 states. [2022-07-13 04:54:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-13 04:54:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-07-13 04:54:21,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 15 letters. Loop has 4 letters. [2022-07-13 04:54:21,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:21,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 19 letters. Loop has 4 letters. [2022-07-13 04:54:21,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:21,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 15 letters. Loop has 8 letters. [2022-07-13 04:54:21,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 04:54:21,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 100 transitions. [2022-07-13 04:54:21,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-13 04:54:21,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 51 states and 61 transitions. [2022-07-13 04:54:21,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-07-13 04:54:21,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-07-13 04:54:21,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 61 transitions. [2022-07-13 04:54:21,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 04:54:21,431 INFO L369 hiAutomatonCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-07-13 04:54:21,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 61 transitions. [2022-07-13 04:54:21,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2022-07-13 04:54:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:54:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2022-07-13 04:54:21,433 INFO L392 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-07-13 04:54:21,433 INFO L374 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-07-13 04:54:21,433 INFO L287 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-13 04:54:21,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2022-07-13 04:54:21,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-13 04:54:21,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:54:21,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:54:21,434 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:54:21,434 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-13 04:54:21,434 INFO L752 eck$LassoCheckResult]: Stem: 1916#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1917#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1931#L528 assume !(main_~length1~0#1 < 1); 1929#L528-2 assume !(main_~length2~0#1 < 1); 1930#L531-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 1924#L537-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 1925#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1926#L537-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1927#L537-4 main_~i~1#1 := 0; 1939#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1940#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1941#L541-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 1942#L541-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1949#L541-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1950#L541-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, cstrspn_#t~mem5#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset, cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset, cstrspn_~c~0#1, cstrspn_~sc~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset;havoc cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;havoc cstrspn_~c~0#1;havoc cstrspn_~sc~0#1; 1956#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 1920#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 1921#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 1938#L521 assume cstrspn_~sc~0#1 == cstrspn_~c~0#1; 1943#L522 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset;cstrspn_~p~0#1.base, cstrspn_~p~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;call cstrspn_#t~mem3#1 := read~int(cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem3#1;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset;havoc cstrspn_#t~mem3#1;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset; 1918#L520-3 [2022-07-13 04:54:21,434 INFO L754 eck$LassoCheckResult]: Loop: 1918#L520-3 cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset := cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset;cstrspn_~spanp~0#1.base, cstrspn_~spanp~0#1.offset := cstrspn_#t~post4#1.base, 1 + cstrspn_#t~post4#1.offset;call cstrspn_#t~mem5#1 := read~int(cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset, 1);cstrspn_~sc~0#1 := cstrspn_#t~mem5#1; 1919#L520-1 assume !!(0 != cstrspn_~sc~0#1);havoc cstrspn_#t~post4#1.base, cstrspn_#t~post4#1.offset;havoc cstrspn_#t~mem5#1; 1934#L521 assume !(cstrspn_~sc~0#1 == cstrspn_~c~0#1); 1918#L520-3 [2022-07-13 04:54:21,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:21,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1848727466, now seen corresponding path program 5 times [2022-07-13 04:54:21,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:21,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540941] [2022-07-13 04:54:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:21,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:21,471 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:21,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:21,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:21,488 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 3 times [2022-07-13 04:54:21,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:21,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457534609] [2022-07-13 04:54:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:21,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:21,491 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:21,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:21,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:54:21,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1074351820, now seen corresponding path program 2 times [2022-07-13 04:54:21,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:54:21,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240082368] [2022-07-13 04:54:21,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:54:21,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:54:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:21,534 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:54:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:54:21,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:54:22,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:22,878 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 04:54:22,878 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 04:54:22,878 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 04:54:22,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 04:54:22,878 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 04:54:22,878 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:54:22,878 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 04:54:22,878 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 04:54:22,878 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration9_Lasso [2022-07-13 04:54:22,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 04:54:22,879 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 04:54:22,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:22,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 04:54:23,528 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:111) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-13 04:54:23,531 INFO L158 Benchmark]: Toolchain (without parser) took 18007.03ms. Allocated memory was 148.9MB in the beginning and 270.5MB in the end (delta: 121.6MB). Free memory was 113.6MB in the beginning and 219.5MB in the end (delta: -105.9MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. [2022-07-13 04:54:23,531 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:54:23,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.69ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 116.9MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 04:54:23,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.27ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:54:23,532 INFO L158 Benchmark]: Boogie Preprocessor took 20.32ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 113.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:54:23,532 INFO L158 Benchmark]: RCFGBuilder took 344.22ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 101.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 04:54:23,533 INFO L158 Benchmark]: BuchiAutomizer took 17231.65ms. Allocated memory was 148.9MB in the beginning and 270.5MB in the end (delta: 121.6MB). Free memory was 101.4MB in the beginning and 219.5MB in the end (delta: -118.1MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2022-07-13 04:54:23,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 62.4MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.69ms. Allocated memory is still 148.9MB. Free memory was 113.3MB in the beginning and 116.9MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.27ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.32ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 113.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.22ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 101.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 17231.65ms. Allocated memory was 148.9MB in the beginning and 270.5MB in the end (delta: 121.6MB). Free memory was 101.4MB in the beginning and 219.5MB in the end (delta: -118.1MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-13 04:54:23,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-07-13 04:54:23,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null